TD4A [HONEYWELL]
GENERALINFORMATION; GENERALINFORMATION
| 型号： | TD4A |
| 厂家： | 
Honeywell |
| 描述： | GENERALINFORMATION |
| 文件： | 总3页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TD Series
TEMPERATURE SENSORS
GENERALINFORMATION
CAUTION
Each TD sensor includes a 0.040 x 0.050 in silicon
sensing element. The element is a laser trimmed thin-
film resistive network, calibrated for sensor-to-sensor
interchangeability.
TD4 sensors are designed for liquid temperature sensing.
TD4A is a two-terminal threaded anodized aluminum
housing. TD5A is a miniature plastic package designed
for small size and low cost.
PRODUCT DAMAGE
The inherent design of this component causes it to be
sensitive to electrostatic discharge (ESD). To prevent
ESD-induced damage and/or degradation, take normal
ESD precautions when handling this product.
MOUNTING DIMENSIONS (for reference only) mm/in
TD4A
TD5A
TEMPERATURE SENSORS
TD Series
Linearity
ABSOLUTE MAXIMUM RATINGS
± 2% (-25 °C to 85 °C)
± 3% (-40 °C to 150 °C)
TD sensors can be linearized to within ± 0.2 %
Repeatability
Operating Temperature
Storage Temperature
Voltage
-40 to +150°C (-40 to +302°F)
-55 to +170°C (-67 to +338°F)
10 VDC Continuous (24 hours)
± 1 Ohm
INTERCHANGEABILITY (with 1 mA maximum current)
Temperature Temperature
FIGURE 1. TD SERIES RESISTANCE VS
TEMPERATURE CURVE
Ω
Ω
Resistance ( )
Resistance ( )
°C
-40
-30
-20
-10
0
°F
-40
-22
-4
°C
°F
±
±
2314 9 (1.1°C)
1584 12 (1.9°C)
+60
140
158
176
194
212
230
248
266
284
302
±
±
2397 10 (1.2°C)
1649 11 (1.7°C)
+70
±
±
2482 12 (1.4°C)
1715 10 (1.5°C)
+80
±
±
2569 14 (1.6°C)
14
1784 9 (1.3°C)
+90
±
±
2658 16 (1.8°C)
32
1854 8 (1.1°C)
+100
+110
+120
+130
+140
+150
±
±
2748 18 (2.0°C)
+10
+20
+30
+40
+50
50
1926 6 (0.8°C)
±
±
2840 19 (2.0°C)
68
2000 5 (0.7°C)
±
±
86
2076 6 (0.8°C)
2934 21 (2.2°C)
±
±
104
122
2153 6 (0.8°C)
3030 23 (2.4°C)
±
±
3128 25 (2.5°C)
2233 7 (0.9°C)
It is recommended that resistance measurements be made of 1000
uA or less to minimize internal heating of the sensor. Measurements
at currents up to 1 mA will not damage the sensor, but the resis-
tance characteristics should be adjusted for internal heating.
ELECTRICALINTERFACING
The high nominal resistance, positive
temperature coefficient and linear sensitivity
characteristics of the TD Series temperature
sensors simplifies the task of designing a
simple circuit that can be used to linearize
the voltage output to within 0.2% or a ± 0.4
°C error over a range of 40 to +150 °C (-40 to
+302 °F).
Equation for computing resistance:
RT = RO + (3.84 x 10-3 x RO x T) + (4.94 x 10-6 x RO x T2)
RT = Resistance at temperature R
RO = Resistance at 0°C
T = Temperature in °C
Figure 2. Linear Output Voltage Circuit
Figure 2 is a simple circuit that can be
used to linearize the voltage output to within
0.2% or a ± 0.4 °C error over a range of -40
to +150 °C (-40 to +302 °F).
Figure 3 illustrates one method of detecting
one particular temperature. The potentiometer
in the comparator circuit can be adjusted to
correspond to the desired temperature.
+Vs
+10V
10K
9K
+
10K
Vo=.001R
TD
+Vs
-Vs
-
V =IV
+
-
R
10K
-Vs
TD Sensor
1K
1K
10K
Figure 3. Adjustable Point (Comparator) Interface
Vs=5V
2K
2K
+
Vo
TD
Sensor
-
5K
2K
R
T
2K
2 Honeywell MICRO SWITCH Division
For application help, call 1-800-537-6945
Temperature Sensors HEL-700
PLATINUM RTDs
WARRANTY and REMEDY
Honeywell warrants goods of its manufacture as being
free of defective materials and faulty workmanship.
Contact your local sales office for warranty information.If
warranted goods are returned to Honeywell during the
period of coverage, Honeywell will repair or replace
without charge those items it finds defective. The
foregoing is Buyers sole remedy and is in lieu of all
other warranties, expressed or implied, including
those of merchantability and fitness for a particular
purpose.
Specifications may change at any time without notice.
The information we supply is believed to be accurate and
reliable as of this printing. However, we assume no respon-
sibility for its use.
Whileweprovideapplicationassistance,personally,
through our literature and the Honeywell website, it is up
to the customer to determine the suitability of the
product in the application.
For application assistance, current specifications,
or name of the nearestAuthorized Distributor, contact
a nearby sales office. Or call:
1-800-537-6945 USA
1-800-737-3360 Canada
1-815-235-6847 International
FAX
1-815-235-6545
INTERNET
www.honeywell.com/sensing
info@micro.honeywell.com
MICRO SWITCH
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
Printed with Soy Ink
on 50% Recycled Paper
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