205-MF1 [ETC]
THERMOCOUPLE MINIATURE PANEL THERMOMETER;
| 型号： | 205-MF1 |
| 厂家： | 
ETC |
| 描述： | THERMOCOUPLE MINIATURE PANEL THERMOMETER |
| 文件： | 总22页 (文件大小：907K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
For immediate technical or application assistance please call:
®
Newport Electronics, Inc.
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205-TC
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ISO 9001 Certified
THERMOCOUPLE
MINIATURE PANEL THERMOMETER
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Operator’s Manual
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NEWPORT Electronics,Inc.
M1189/N/0605
11231ML-02 Rev. E
Warranty/Disclaimer
Additional products from
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extend the warranty period for one (1) additional year if the warranty card enclosed with each instrument is returned
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contacting NEWPORT:
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the repair,
was PURCHASED,
2. Model and serial number of product, and
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relative to the product.
2. Model and serial number of the product
under warranty, and
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problems relative to the product.
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TRADEMARK NOTICE:
a
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,
NEWPORT
newportUS.com
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and the “Meter
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NEWPORT’s policy is to make running changes, not model changes, whenever an improvement is possible. This
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PATENT NOTICE: This product is covered by one or more of the following patents: U.S. Pat. No. Des. 336,895; 5,274,577 / Canada 2052599;
2052600 / Italy 1249456; 1250938 / France Brevet No. 91 12756 / Spain 2039150; 2048066 / UK Patent No. GB2 249 837; GB2 248 954 /
Germany DE 41 34398 C2. Other US and International Patents Pending.
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© Copyright 2003 NEWPORT Electronics, Inc. All rights reserved. This document may not be copied,
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part, without prior written consent of NEWPORT Electronics, Inc.
This device is marked with the international caution symbol. It is important to read the Setup Guide before installing or commissioning
this device as it contains important information relating to safety and EMC.
TABLE OF CONTENTS
SECTION
PAGE
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii
Models Available . . . . . . . . . . . . . . . . . . . . . . . . . .iii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Section 1
1.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2 Safety Considerations . . . . . . . . . . . . . . . . . . . . . .2
Section 2
About the Meter . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.1 Front of the Meter . . . . . . . . . . . . . . . . . . . . . . . . .3
2.2 Back of the Meter . . . . . . . . . . . . . . . . . . . . . . . . .4
2.3 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Section 3
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.1 Main Board Power Jumpers . . . . . . . . . . . . . . . . . .5
3.2 Converting °F to °C (vice versa) . . . . . . . . . . . . . . .7
3.3 Installation and Panel Mounting . . . . . . . . . . . . . . .8
3.4 Sensor Input Connections . . . . . . . . . . . . . . . . . .10
3.5 Analog Output Connections . . . . . . . . . . . . . . . . .12
3.6 Display Hold Connections . . . . . . . . . . . . . . . . . .13
3.7 Main Power Connections . . . . . . . . . . . . . . . . . . .14
3.8 Disassembly/Assembly . . . . . . . . . . . . . . . . . . . .16
Section 4
Operation and Calibration . . . . . . . . . . . . . . . . . .18
4.1 Equipment Required . . . . . . . . . . . . . . . . . . . . . .18
4.2 Calibration Procedure . . . . . . . . . . . . . . . . . . . . .19
Section 5
Section 6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
i
PREFACE
Manual Objectives: This manual shows you how to set up and
use the Panel Thermometer.
This meter is an economical Miniature Temperature Panel
Thermometer featuring a large display with a linearized analog
output that is supplied as a standard feature.
Each of the models* can be converted by the user to display in
degrees Fahrenheit or Celsius. However, due to the internal
design of the meter, the input type and resolution CANNOT
be changed on any J, K, T, or E unit.
The meter is available in many different styles. All of the
Thermocouple models listed in Table 1-1 come standard with
red LEDs, and can be ordered with a green LED display as an
option. The part numbers would include a “G”.
Example: 205-JF1,G,C0
Also, these thermocouple meters can be ordered with different
power configurations. Refer to Table 1-3 for available choices.
*Refer to Table 1-1 for the complete listing of models available.
ii
SECTION 6 GLOSSARY
TABLE 1-1
TC MODELS AVAILABLE
COMMON MODE REJECTION (CMR) - a measure of the affect
of a voltage on the indicated display. It is the ratio of the
common mode voltage to the measured voltage due to a
common mode voltage.
The following 3-1/2 digit mini thermocouple panel
thermometers are discussed in this operator’s manual.
MODEL
TYPE
°C or °F
RESOLUTION
COMMON MODE VOLTAGE (CMV) - the average of the
voltage applied to both wires of a two wire or differential input.
205-JF1
205-JF2
205-JC1
205-JC2
J
J
J
J
F
F
C
C
1.0°F
0.1°F
1.0°C
0.1°C
NORMAL MODE REJECTION (NMR) - a measure of the
rejection of unwanted signal due to a voltage applied between
the wires of a two wire or differential input (shown as normal
mode voltage). NMR is the ratio of the normal mode voltage to
the measured voltage due to the normal mode voltage.
205-KF1
205-KF2
205-KC1
205-KC2
K
K
K
K
F
F
C
C
1.0°F
0.1°F
1.0°C
0.1°C
TEMPCO - abbreviation for temperature coefficient. It is the
effect of changes in ambient temperature on a particular
parameter, such as zero or span settings.
205-TF1
205-TF2
205-TC1
205-TC2
T
T
T
T
F
F
C
C
1.0°F
0.1°F
1.0°C
0.1°C
205-EF1
205-EF2
205-EC1
205-EC2
E
E
E
E
F
F
C
C
1.0°F
0.1°F
1.0°C
0.1°C
The accuracies and ranges are listed in Section 5.
32
iii
TABLE 5-1
Table 1-2
ACCURACY/RANGE TABLE
Other Models Available
MODEL MAXIMUM
OPTION ERROR
The following 3-1/2 digit mini RTD panel meters are available
and discussed in a separate RTD Operator’s Manual.
RANGE
RESOLUTION
MODEL
TYPE
°C or °F
RESOLUTION
*-JF1
*-JF2
*-JC1 1.5°C
*-JC2 1.0°C
2.7°F
1.8°F
-346 to +1400°F
-199.9 to +199.9°F
-210 to +760°C
1.0°F
0.1°F
1.0°C
0.1°C
205-MF1
205-MF2
205-MC1
205-MC2
RTD
RTD
RTD
RTD
F
F
C
C
1.0°F
0.1°F
1.0°C
0.1°C
-199.9 to +199.9°C
*-KF1 2.7°F
*-KF2 1.8°F
*-KC1 1.5°C
*-KC2 1.0°C
-157 to +1999°F
-199.9 to +199.9°F
-105 to +1372°C
-199.9 to +199.9°C
1.0°F
0.1°F
1.0°C
0.1°C
Table 1-3
Power Options Available
MODEL
POWER
*-TF1 2.7°F
*-TF2 1.8°F
*-TC1 1.5°C
*-TC2 1.0°C
-157 to +752°F
-199.9 to +199.9°F
-105 to +400°C
1.0°F
0.1°F
1.0°C
0.1°C
205-TC type, C0
205-TC type, C1
205-TC type, C2A
115 Vac 15ꢀ, 50/60 Hz
230 Vac 15ꢀ, 50/60 Hz
-199.9 to +199.9°C
9-26 Vdc @ 110mA max,
non-isolated.
Use ungrounded Thermocouples
to avoid ground loops.
*-EF1 2.7°F
*-EF2 1.8°F
*-EC1 1.5°C
*-EC2 1.0°C
-157 to +1832°F
-199.9 to+199.9°F
-105 to +1000°C
-199.9 to+199.9°C
1.0°F
0.1°F
1.0°C
0.1°C
205-TC type, C5
205-TC type, C8
100 Vac 15ꢀ, 50/60 Hz
24 Vac 15ꢀ, 50/60 Hz
* Look at Table 1-1, for complete models (preface section).
iv
31
0.945 [24.00]
2.835
[72.00]
NOTES, WARNINGS and CAUTIONS
0.197
[5.00]
Information that is especially important to note is identified by
these labels:
NOTE: provides you with information that is important to
successfully setup and use the Programmable Digital
Meter.
4.134
[105.00]
4.60
[116.8]
CAUTION or WARNING: tells you about the risk of
electric shock.
2.661
[67.60]
0.858 [21.80]
CAUTION, WARNING or IMPORTANT: tells you of
circumstances or practices that can effect the meter's
functionality and must refer to accompanying
documents.
SIDE VIEW
TOP VIEW
2.677 +0.028/-.000
[68.00 +0.70/-0.00]
0.874 +.012/-.000
[22.20 +0.30/-0.00]
R 0.06 [1.5]
4 PLCS
PANEL THICKNESS
0.25 [6.4] MAX
0.03 [0.8] MIN
PANEL CUTOUT
Figure 5-1 Dimensions
30
v
DISPLAY
Type:..........................................................................................7-segment, LED
Height: .......................................................................................0.56" (14.2 mm)
Symbols:..................................................................................................-1.8.8.8
Overrange Indication:....................................Three least-significant digits blank
Colors: .........................................................................................Red - standard
Green - optional
DIGITAL INPUTS
Hold:......................................................................TTL or 5V CMOS compatible
ENVIRONMENTAL
Operating Temperature: ...............................................0° to 60°C(32° to 140°F)
Storage Temperature:.............................................-40° to 85°C (-40° to 185°F)
Relative Humidity:..............................................95ꢀ at 40°C (non-condensing)
MECHANICAL DIMENSIONS
Bezel: .......................................................................0.94" x 2.83" (24 x 72 mm)
Depth Behind the Bezel: .....................................4.72" (120 mm) w/ connectors
Panel Cutout: .................................................0.87"H x 2.68" W (22.2 x 68 mm)
Weight: .............................................................................7 ounces (200 grams)
Panel Thickness.........................................................minimum: 0.03" (0.76mm)
maximum: 0.25" (6.25mm)
Case Material: ......................................................94V-1 UL-rated thermoplastic
POWER
AC Frequency:......................................................................................50/60 Hz
Max. Power: .................................................................................2.4 watts max.
AC Voltage: ................................................................115Vac 15ꢀ 25mA max.
230Vac 15ꢀ 14mA max.
100Vac 15ꢀ 30mA max.
24Vac 15ꢀ 127mA max.
DC Voltage:..........................................................................9-26 Vdc @ 110mA
External Fuse Protection needed:...................................32mA, 115Vac/230Vac
UL Slow-blow (per single unit)
40mA, 100Vac
160mA, 24Vac
125mA, 9-26Vdc
Installation Category: .................................................................. I per EN61010
Equipment Class:.........................................................................I per EN61010
Pollution Degree: ........................................................................2 per EN61010
† Refer to the Glossary in Section 6.
29
SECTION 5 SPECIFICATIONS
SECTION 1 INTRODUCTION
1.1 UNPACKING
INPUT TYPE:
Thermocouple: ..........................................J,K,T, or E (Chromel-Constantan)
Calibration:.....................................................................IEC 584-1 (IPTS-68)
Configuration: .............Single-ended (-TC lead connected to Analog Return)
Polarity:................................................................................................Bipolar
Cold-junction Tempco: ............................................................... 0.1 deg/deg
Sensor-wire resistance effect per conductor:
Remove the Packing List and verify that all equipment has been
received. If there are any questions about the shipment, use the
phone numbers listed on the back cover to contact the
Customer Service Department nearest you.
Type E: 50 µdeg/deg/Ω, up to 2000Ω
Sensor-break Current:.........................................................................333 nA
Sensor-break Indication:...........Meter displays positive overrange (upscale)
Upon receipt of shipment, inspect the container and equipment
for any signs of damage. Take particular note of any evidence
of rough handling in transit. Immediately report any damage to
the shipping agent.
NOISE REJECTION
NMR†, SIG HI to SIG LO: ....................................................70 dB, 50/60 Hz
CMR†, Analog RTNto PWR GND: ...............................120 dB, DC to 60 Hz
CMV†, Analog RTNto PWR GND: ...................Dielectric strength to 1500 V
transient per 260 Volt rms or
The carrier will not honor any claims unless all shipping
material is saved for their examination. After examining
and removing contents, save packing material and
carton in the event reshipment is necessary.
DC working voltage.
ACCURACY at 25°C
Range for rated accuracy
Thermocouple Type: ..........................................................Refer to Table 5-1
Maximum Error: .................................................................Refer to Table 5-1
Resolution:.........................................................................Refer to Table 5-1
Span Tempco: .............................................................. 0.02ꢀ of reading/°C
Full-Scale Step Response: ....................................................................... 1 s
Warmup to Rated Accuracy:.............................................................. 30 min.
Verify that you received the following items in the shipping box:
QTY DESCRIPTION
ANALOG OUTPUT (linearized)
1
1
Panel Thermometer with 3 small connectors plugged
into the rear of the meter.
Voltage:..........................................................................................1mV/count
Calibration Error:..................................................... 1ꢀ of reading 1.0mV
on °C, 1.8mV on °F
Operator’s Manual
Source Resistance:................................................................................100Ω
ANALOG TO DIGITAL CONVERSION
Technique:.............................................................Dual-slope, average value
Signal Integration Period: ...................................................................100 ms
Read Rate:..............................................................................................2.5/s
28
1
1.2 SAFETY CONSIDERATIONS
TABLE 4-2 (Cont’d)
This device is marked with the international Caution symbol. It is important to read this
manual before installing or commissioning this device as it contains important
information relating to Safety and EMC (Electromagnetic Compatibility).
MILLIVOLT
MODEL
OPTION
VALUE FROM
MILLIVOLT
SOURCE
METER
DISPLAY
POT TO
ADJUST
Unpacking & Inspection
Unpack the instrument and inspect for obvious shipping damage. Do not attempt to
operate the unit if damage is found.
*-TF1
*-TF2
*-TC1
*-TC2
*-EF1
*-EF2
*-EC1
*-EC2
0.0
31°F
†
Zero
This instrument is a panel mount device protected in accordance with Class I of EN 61010
(115/230 AC power connections). Installation of this instrument should be done by
Qualified personnel. In order to ensure safe operation, the following instructions should
be followed.
19.638
716°F
Span
0.0
3.584
32.0°F
185.0°F
Zero
Span
This instrument has no power-on switch. An external switch or circuit-breaker shall be included in
the building installation as a disconnecting device. It shall be marked to indicate this function, and
it shall be in close proximity to the equipment within easy reach of the operator. The switch or
circuit-breaker shall not interrupt the Protective Conductor (Earth wire), and it shall meet the
relevant requirements of IEC 947–1 and IEC 947-3 (International Electrotechnical Commission).
The switch shall not be incorporated in the mains supply cord.
0.0
19.638
0°C
380°C
Zero
Span
Furthermore, to provide protection against excessive energy being drawn from the mains supply
in case of a fault in the equipment, an overcurrent protection device shall be installed.
0.0
8.495
0.0°C
185.0°C
Zero
Span
•
The Protective Conductor must be connected for safety reasons. Check that the power
cable has the proper Earth wire, and it is properly connected. It is not safe to operate
this unit without the Protective Conductor Terminal connected.
0.0
73.727
31°F
1769°F
†
†
Zero
Span
•
Do not exceed voltage rating on the label located on the top of the instrument
housing.
0.0
5.130
33.0°F
180.0°F
Zero
Span
•
•
•
•
•
Always disconnect power before changing signal and power connections.
Do not use this instrument on a work bench without its case for safety reasons.
Do not operate this instrument in flammable or explosive atmospheres.
Do not expose this instrument to rain or moisture.
Unit mounting should allow for adequate ventilation to ensure instrument does not
exceed operating temperature rating.
0.0
73.727
0°C
965°C
Zero
Span
•
Use electrical wires with adequate size to handle mechanical strain and power
requirements. Install without exposing bare wire outside the connector to minimize
electrical shock hazards.
0.0
12.314
0.5°C
185.0°C
†
Zero
Span
EMC Considerations
† The best MID-RANGE accuracy is obtained when the
meter is calibrated to the exact values shown in column 3,
even though a small error may occur at 32°F (0°C).
•
•
•
•
Whenever EMC is an issue, always use shielded cables.
Never run signal and power wires in the same conduit.
Use signal wire connections with twisted-pair cables.
Install Ferrite Bead(s) on signal wires close to the instrument if EMC problems
persist.
* Look at Table 1-1, for complete models (preface section).
27
2
SECTION 2 ABOUT THE METER
2.1 Front of the Meter
TABLE 4-2
CALIBRATION VALUES
WHEN USING A MILLIVOLT SOURCE
Figure 2-1 shows the panel thermometer.
MILLIVOLT
MODEL
OPTION
VALUE FROM
MILLIVOLT
SOURCE
METER
DISPLAY
POT TO
ADJUST
*-JF1
*-JF2
*-JC1
*-JC2
*-KF1
*-KF2
*-KC1
*-KC2
0.0
32°F
Zero
41.013
1346°F
Span
0.0
3.917
31.6°F
167.0°F
†
Zero
Span
0.0
41.013
0°C
730°C
Zero
Span
Figure 2-1. Panel Thermometer
0.0
9.113
-0.2°C
170.0°C
†
†
Zero
Span
0.0
40.449
31°F
1794°F
Zero
Span
Features:
Display: 3 1/2 Digit, 7-Segment Red or Green LED
Full-size 14.2 mm (0.56") LED Display
Analog Output Standard
3/64 DINStandard Panel Cutout
Removable Screw-Clamp Cable Connector
Display Hold Capability
0.0
2.896
32.0°F
160.0°F
Zero
Span
0.0
53.611
0°C
1335°C
Zero
Span
0.0
7.737
0.0°C
190.0°C
Zero
Span
† Look at the end of Table 4-2, for the explanation of †.
* Look at Table 1-1, for complete models (preface section).
26
3
3. Connect the power to the meter. Refer to the
appropriate model number in Table 4-2 for the proper
calibration points for your particular meter.
2.2 Back of the Meter
Figure 2-2 illustrates the rear of the meter.
4. Adjust the millivolt source to output the millivolt value
shown on the first line of column 2. Check to see that the
meter displays the temperature indicated in column 3. If
not, adjust the zero potentiometer until it reads that
simulated value. For example, if the meter has a "-JC2"
in the model number, set the millivolt source for 0.0 and
the meter display should show 0°C.
1
2
3
1
2
3
1
2
P1
P2
P3
Figure 2-2. Rear View Showing P1, P2, P3 Connectors
5. Adjust the millivolt source to output the millivolt value
shown on the second line of column 2. Check to see that
the meter displays that same value. If not adjust the span
pot until it reads that simulated value. For example, if the
meter has a "-JC1" in the model number, set the millivolt
source for 41.013 and the meter display should show
730°C.
2.3 Connector Description
Connector Description
(AC) Earth Ground
(AC) Neutral
(AC) Line
(DC) -DC Return
(DC) +DC
(DC) No Connection (Not used)
Display Hold (Active Low)
Return
Analog Output
-TC (Neg. Lead) †
+TC (Pos. Lead) †
Connector PIN #
P1
P1
P1
P1
P1
P1
P2
P2
P2
P3
P3
1
2
3
1
2
3
1
2
3
1
2
† For wire colors, refer to Table 3-1
4
25
4.2.2 Calibrating using a Millivolt Source
SECTION 3 GETTING STARTED
3.1 Main Board Power Jumpers
1. Disconnect the power from the meter. Remove the
front lens. Notice the the zero potentiometer is located
to the left of the display and the span potentiometer is
located to the right of the display.
Caution: The meter has no power-on switch, so it will be
in operation as soon you apply power.
The meter can be configured to operate on 115 Vac or
230 Vac by the proper combination of the soldered wire
jumpers that are located on the printed circuit board. The
meter is set at the factory to be powered by the voltage
specified at the time of ordering. The same transformer is
used for either configuration, so all you need to do is to
select the jumpers as described in this section.
Refer to Figure 4-1 for the location of the calibration
pots.
2. Connect the millivolt source to the MCJ Electronic Ice
Point or ice bath which in turn connects to the
thermocouple input connector P3 as shown in Figure
4-3. Connect the negative (red) thermocouple wire to
connector P3, Pin 1. Connect the positive
thermocouple wire to connector P3, Pin 2. Be sure to
observe polarity and use the correct thermocouple
wire (Type J wire for Type J meter).
Important:
These changes must be performed by a
qualified technician.
To change the Factory preset jumpers, do the following steps:
mV SOURCE
T/C WIRE
P3
Disconnect the power from the unit before proceeding.
P2
OMEGA
MCJ
METER
1. Remove the main board from the case. Refer to
Disassembly/Assembly Section 3.8.
P1
AC
COPPER WIRE
2. Locate the solder jumpers W1, W2, and W3 (located near
the edge of the main board alongside the transformer).
mV SOURCE
P3
P2
T/C WIRE
OMEGA
TRP PROBE
3. If your power requirement is 115 Vac, solder jumpers W1
and W3 should be wired, but jumper W2 should not. If
your power requirement is 230 Vac, solder jumper W2
should be wired, but jumpers W1 and W3 should not.
METER
AC
P1
COPPER WIRE
ICE BATH
Figure 4-3. Calibration with a Millivolt Source
24
5
TABLE 4-1 (Cont’d)
Voltage Jumper Pin Settings
MODEL
OPTION
T/C CALIBRATOR METER
POT TO
DISPLAY
AC VOLTAGE
INSTALL
W1, W3
W2
REMOVE
W2
W1, W3
DISPLAY
ADJUST
115 Vac
230 Vac
*-TF1
*-TF2
*-TC1
*-TC2
*-EF1
*-EF2
*-EC1
*-EC2
32°F
31°F † Zero
716°F
716°F
Span
32.0°F
185.0°F
32.0°F
185.0°F
Zero
Span
Figure 3-1 shows the location of solder jumpers W1 through W3.
0°C
380°C
0°C
380°C
Zero
Span
(COMPONENT SIDE)
2
1
3
2
1
ZERO
P3
P2
0.0°C
185.0°C
0.0°C
185.0°C
Zero
Span
S3
32°F
1769°F
31°F † Zero
1769°F
Span
32.0°F
180.0°F
33.0°F † Zero
180.0°F
TRANSFORMER
3
2
1
Span
P1
0°C
965°C
0°C
965°C
Zero
Span
SPAN
W1 W2
W3
Figure 3-1. PC Board Jumper Locations
0°C
185.0°C
0.5°C † Zero
185.0°C Span
†
*
The best MID-RANGE accuracy is obtained when the
meter is calibrated to the exact values shown in column 3,
even though a small error may occur at 32°F (0°C).
Look at Table 1-1, for complete models (preface section).
6
23
3.2 Converting °F to °C (vice versa)
TABLE 4-1
You must remove the printed circuit board from the case
in order to change from the Fahrenheit to Celsius (or vice
versa). This change must be performed by a qualified
technician in order to avoid damage to the unit.
Disconnect the power from the unit before proceeding.
CALIBRATION VALUES WHEN USING
THERMOCOUPLE CALIBRATOR
MODEL
T/C CALIBRATOR METER
POT TO
ADJUST
OPTION
DISPLAY
DISPLAY
Degrees Fahrenheit and degrees Celsius are selectable
parameters. All you need to do is change the location of the
shorting jumper at S3, using needle-nose pliers.
*-JF1
32°F
1346°F
32°F
1346°F
Zero
Span
(COMPONENT SIDE)
*-JF2
*-JC1
*-JC2
*-KF1
*-KF2
*-KC1
*-KC2
32.0°F
167.0°F
31.6°F † Zero
1. Disconnect all wires
2
1
3
2
1
DETAIL A
DETAIL B
ZERO
P3
P2
and move the unit
from the panel (if
installed).
FOR °C
FOR °F
167.0°F
Span
S3
SHORTING
JUMPER
S3
S3
0°C
730°C
0°C
730°C
Zero
Span
2. Remove the printed
circuit board from
the case as
described in
Section 3-8.
0.0°C
170.0°C
-0.2°C † Zero
170.0°C Span
TRANSFORMER
3
2
1
P1
SPAN
32°F
1794°F
31°F † Zero
W1 W2
W3
1794°F
Span
Figure 3-2. S3 Jumper
32.0°F
160.0°F
32.0°F
160.0°F
Zero
Span
3. Follow the instructions to convert to:
Celsius: .
The unit will display degrees Celsius when the shorting jumper
is connected to both pins at S3. Refer to Figure 3-2, Detail A.
0°C
1335°C
0°C
1335°C
Zero
Span
Fahrenheit: .
The unit will display degrees Fahrenheit if the shorting jumper
0.0°C
190.0°C
0.0°C
190.0°C
Zero
Span
at S3 is NOT connecting the 2 pins. Refer to Figure 3-2,
Detail B. By keeping the shorting jumper on one pin, you are
keeping it handy in case you want to change the display back
to degrees C.
† Look at the end of Table 4-1 for the explanation of †.
* Look at Table 1-1, for complete models (preface section).
22
7
4. Set the thermocouple calibrator to match the
thermocouple type of your meter. Adjust the
thermocouple calibrator to output the temperature
shown in the first line of column 2. Check to see that
the unit displays the temperature shown in column 3.
If not, adjust the zero potentiometer until it reads that
simulated value. For example, if the meter has a
"-JC2" in the model number, set the calibrator for
0.0°C and the unit display should show -0.2°C.
Section 3.3 Installation and Panel Mounting
Figure 3-3 shows the panel cutout dimensions, the dimensions
for the panel thickness, and the mounting clamp for mounting
the unit in a panel. Connections will be done after mounting
the unit.
1. Remove the lens by inserting a paper clip or a small flat
blade screwdriver into the rounded corner of the lens and lift
out.
2. Remove the two mounting screws from both sides of the
display. Pry both sides of the mounting clamp out and down
to remove it from the meter case.
5. Adjust the thermocouple calibrator to output the
temperature shown in the second line of column 2.
Check to see that the unit displays the temperature
shown in column 2. If not, adjust the span pot until it
reads that simulated value. For example, if the meter
has a "-JC2" in the model number, set the calibrator for
170.0°C and the meter display should show 170.0°C.
3. Insert the meter into the panel cutout and reinstall the
mounting clamp to the bottom of the meter case from the
rear of the panel.
4. Re-install the mounting screws to secure the meter in the
panel. Do not over-tighten the screws.
6. After adjusting the pots, go back and verify both
temperature readings. Repeat steps 4 and 5 as
required.
5. Pop the lens back in, making sure the dull side of the lens
faces towards you.
8
21
2. Connect the thermocouple calibrator output signal to
the thermocouple input connector P3 as shown in
Figure 4-2. Connect the negative (red) thermocouple
wire to connector P3, Pin 1. Connect the positive
thermocouple wire to connector P3, Pin 2. Be sure to
observe polarity and use the correct thermocouple
wire (Type J wire for Type J meter).
2.677 +0.028/-.000
[68.00 +0.70/-0.00]
Z
S
0.874 +.012/-.000
[22.20 +0.30/-0.00]
R 0.06 [1.5]
4 PLCS
S1
MOUNTING
T/C CALIBRATOR
SCREW HOLES
PANEL THICKNESS
0.25 [6.4] MAX
0.03 [0.8] MIN
T/C WIRE
CLAMP
P3
0°C
CLAMP
SCREWS
P2
PANEL CUTOUT
PANEL CUTOUT
METER
P1
AC
CASE
Figure 4-2. Calibration a Thermocouple Calibrate
3. Connect the power to the meter. Allow 30 minute
warm up before calibration of 0.1° resolution meters.
Refer to the appropriate model number in Table 4-1
for the proper calibration points for your particular
meter.
MOUNTING CLAMP
MOUNTING SCREW (2)
LENS
Figure 3-3. Installation Information
20
9
Meter calibration must be performed using
a
3.4 Sensor Input Connections
thermocouple calibrator. If a millivolt source is used
instead, be sure to connect the output of the millivolt
source to an Omega MCJ Electronic Ice Point (or
equivalent) of the appropriate thermocouple type (or an
ice bath). Doing this will compensate for the cold junction
errors.
Table 3-1. AMERICAN (USA) THERMOCOUPLE WIRE COLORS
T/C
TYPE
"+" LEAD WIRE
ALLOY/WIRE COLOR
Iron (white)
Chromel (yellow)
Copper (blue)
"-" LEAD WIRE
ALLOY/WIRE COLOR
Constantan (red)
Alumel (red)
Constantan (red)
Constantan (red)
J
K
T
E
4.2 CALIBRATION PROCEDURE
Chromel (purple)
Refer to Section 4.2.1 for details on how to calibrate the
meter using the Thermocouple Calibrator. Refer to Section
4.2.2 for details on how to calibrate the meter using the
Millivolt Source.
The meter is configured at the factory for the desired
thermocouple type (J, K, T, E) and the desired units of measure
(°C or °F), as defined by the customer at the time of purchase.
4.2.1 Thermocouple Calibrating
The meter configuration is defined in the part number. For
example, a Type T meter that reads in degrees Fahrenheit
would have a "-TF2" in the part number. The “1” at the end of
the part number indicates a 1 degree resolution and “2” at the
end of the part number indicates a 0.1 degree resolution. See
Table 1-1 for model number listing.
1. Disconnect the power from the meter. Remove the
front lens. Notice the the zero potentiometer (pot) is
located to the left of the display and the span
potentiometer is located to the right of the display.
Refer to Figure 4-1 for the location of the calibration
pots.
Once the meter is configured for
a particular
ZERO
SPAN
thermocouple type, it CANNOT be changed to accept any
other input type. It becomes dedicated to that
thermocouple type as ordered.
Figure 4-1. Calibration Potentiometers
10
19
SECTION 4 OPERATION AND CALIBRATION
3.4 Sensor Input Connections (Continued)
Important: These changes must be performed by a
qualified technician.
To connect the input to the unit, attach the thermocouple probe to
the 2-pin female connector that is supplied with the unit. Refer to
Figure 3-4 for wiring instructions and Table 2-1 for wire colors.
WARNING: Do not connect ac power to your meter until
you have completed all input and output connections.
Failure to do so may result in injury!
Plug the female connector into the P3 male connector at the
rear of the meter.
1.
2.
Wire the meter according to the wiring section. This
includes power, thermocouple and analog signal
connections.
Figure 2-2 shows the location of the P3 connector on the meter.
Apply power to the meter and the display will show the
temperature of the probe.
The meter is shipped from the factory calibrated to the accuracy
as specified. No re-calibration is necessary. In the event that
there is a desire to check the calibration, the following
procedure is given.
– TC INPUT
+ TC INPUT
1
2
4.1 EQUIPMENT REQUIRED
• Meter
Screws
• Extension grade thermocouple wire
• a small screwdriver
• a precision Thermocouple Calibrator
OR
underneath
Figure 3-4. Thermocouple Connector Wiring (P3)
• a precision Millivolt Source (0.001 resolution)
used in conjunction with an Electronic Ice Point
• copper wire
OR
• a precision Millivolt Source (0.001 resolution)
used in conjunction with an ice bath
• copper wire
18
11
3.5 Analog Output Connections
The analog output is a linearized millivolt signal that is
equivalent to the displayed temperature. It comes as a standard
feature with every unit. The resolution of the analog output is no
greater than the resolution of the display.
PULL TAB HERE
PC BOARD
PUSH HERE
The analog output is a non-isolated signal, therefore, it is
recommended that an ungrounded thermocouple probe
be used to prevent ground loop problems.
1
2
3
1
2
3
1
2
P1
P2
P3
To access the analog signal, attach copper wire to the 3-pin
female connector that is supplied with the meter. Refer to
Figure 3-5 for wiring instructions. Plug the female connector
into the P2 (male) connector at the rear of the meter.
Figure 3-9. Removing the PC Board from the Case
Figure 2-2 shows the location of the P2 connector on the
meter. Note that this connector shares a common return with
the “Display Hold” function.
When re-installing the printed circuit board:
1. Hold the case (with the two mounting holes facing upwards
and to the right side of the case) in the left hand.
+
Output
2. Hold the printed circuit board with the components showing
(soldered side down) in the right hand.
mV
–
RETURN
3. Slip the component board into the case and slide in as far
as it will go. You will also have to release the tab at the rear
on the other side of the case (turn case over) to allow the
board to fit all the way inside the case.
1
2
3
4. Go through steps 3 thru 5 in Section 3.3 in order to
re-install the mounting clamp, screws, and lens.
Screws
underneath
Figure 3-5. Analog Output Connections (P2)
12
17
3.8 Disassembly/Assembly
3.6 Display Hold Connections
The “Display Hold” function can be used to freeze the display.
Connect a single pole, single throw (SPST) switch between
pins 1 and 2 on the P2 connector. The display will stop
updating when this switch is on. When this switch is off, the
display will update itself 2.5 times per second.
You must go through the following steps in order to
remove the printed circuit board from the case if you
want to change from 115 Vac to 230 Vac (or vice versa)
or to change from Fahrenheit to Celsius (or vice versa).
These changes must be performed by a qualified
technician in order to avoid damage to the unit.
To access the “Display Hold” function, attach copper wire to
the 3-pin female connector that is supplied with the meter.
Refer to Figure 3-6 for wiring instructions. This connector
shares a common return with the Analog Output. Plug the
female connector into the P2 connector at the rear of the
meter. Figure 2-2 shows the location of the P2 connector on
the meter.
WARNING: Do not connect ac power to your meter until
you have completed all input and output connections.
Failure to do so may result in injury!
1. Remove power and all wire connections from the unit.
2. Unplug the three connectors (P1, P2, and P3) from the
back of the meter. Grasp them firmly on the top and
bottom of the connector and pull. Figure 3-9 shows the
location of the three connectors.
Switch
3. Remove the lens, mounting screws, and mounting clamp
from the unit as described in steps 1 and 2 in Section 3.
Slide the unit out of the panel (if it is installed in a panel).
Display Hold
RETURN
P2
1
2
4. The printed circuit board is held in place by a tab and
notch system located next to the P1 connector, pin 1
(refer to Figure 3-9). The tab is on the case and the
notch is on the edge of the PC Board. Hold the meter
with the display facing away from you. Gently pry the tab
(on the back corner of the case) out with the edge of your
finger, while pushing the back of the PC Board out
through the front of the meter. The PC Board will slide
out the front, free from the case.
3
Screws
underneath
Figure 3-6. Display Hold Connections
16
13
3.7 Main Power Connections
DC WIRING
Connect the ac main power connections as shown below.
The meter can be configured at the factory to operate on a
9–26 Vdc non-isolated power. The DC voltage option is
specified at the time of ordering. See Table 1-3 for model
number listing. An AC powered meter cannot be converted to
a DC powered meter or vice versa.
WARNING: Do not connect ac power to your meter until
you have completed all input and output connections.
Failure to do so may result in injury! This device must
only be installed electrically by specially trained
electrician with corresponding qualifications. The main
power input to the unit as well as the AC input signal to be
measured must agree with the wiring instruction.
To connect power to the unit, attach the DC power wires to the
orange 3-pin female connector that is supplied with the meter.
Refer to Figure 3-8 for wiring instructions. Plug the female
connector into the orange P1 (male) connector at the rear of the
meter. Figure 2-2 shows the location of P1 on the meter.
The meter is factory set to the power specified by the
customer at the time of ordering. The voltage is printed on the
Label under Input power.
-TC input (P3-1) is internally connected to 9–26 Vdc –DC
Return (P1-1), therefore, it is recommended that an
ungrounded thermocouple probe be used to prevent
ground problems.
Refer to Section 3-2 to convert from one configuration
to another
.
To connect power to the unit, attach wires from the ~AC power
cord to the orange 3-pin female connector that is supplied with
the meter. Refer to Figure 3-7 for wiring instructions. Plug the
female connector into the orange P1 (male) connector at the
rear of the meter. Figure 2–2 shows the location of P1 on the
meter.
No Connection N/C
+ DC
External
– DC
Power Supply
EARTH
P1
NEUTRAL
1
LINE
ORANGE
2
CONNECTOR
3
GREEN WIRE
©
N
L
P1
Screws
1
underneath
FUSE
ORANGE
2
SWITCH
CONNECTOR
3
Check for proper Earth grounding in the
power distribution system (single phase).
Screws
underneath
Figure 3-8.
=DC Power Connector Wiring (P1)
Figure 3-7. ~AC Connector Wiring (P1)
14
15
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