PM-H722HC [ETC]
0-5Vdc Current transducer; 0-5VDC电流变送器
| 型号： | PM-H722HC |
| 厂家： | 
ETC |
| 描述： | 0-5Vdc Current transducer |
| 文件： | 总3页 (文件大小：75K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet Ref: 90501177
Issue: 5.1
PM-Hx22
www.sontay.com
0-5Vdc Current transducer
Technical Overview
The PM-Hx22 series of current transducers can be used to
monitor motors, pumps or other electrical loads where a
linear voltage output signal is required. The output can be
used to check operating status, failure, wear/strain and
power for consumption analysis. The linear output signal is
produced by the unit which is proportional to the current
passing through the transducer.
Features
•
•
•
3 Selectable ranges
Load trending
•
•
For use inside a separate fire or electrical enclosure
For use in a Measurement category III environment,
or less, as per IEC 61010-1:2001
Motor control
Specification
Product Codes
PM-H722LC
Output
0-5Vdc (self powered)
50/60Hz
Range selectable 0-10 / 0-20 / 0-40A solid core
0-5Vdc output
Frequency
Insulation class
Accuracy
600Vac RMS
±2% of full scale
2 seconds
PM-H722HC
Range selectable 0-50 / 0-100 / 0-200A solid core
0-5Vdc output
Response time
Ambient:
PM-H922LC
Temperature -15 to 60°C
Range selectable 0-30 / 0-60 / 0-120A split core
0-5Vdc output
Humidity
Sensing aperture:
Solid core
0 to 95% non-condensing
19mm dia.
Split core
28 x 23mm (self gripping iris)
Dimensions:
Sold core
74H x 76W x 27D mm
74H x 65W x 26D mm
IP20
Split core
Protection
Country of origin
U.S.A
International Tel: +44 1732 861225
UK Sales Tel: 0845 345 7253
International Fax: +44 1732 861226
UK Sales Fax: 0845 345 7353
Page 1
Whilst every effort has been made to ensure the accuracy of this specification, Sontay cannot accept responsibility for damage, injury, loss or
expense resulting from errors or omissions. In the interest of technical improvement, this specification may be altered without notice.
90800066 Issue 1
Data Sheet Ref: 90501177
Issue: 5.1
PM-Hx22
www.sontay.com
0-5Vdc Current transducer
Installation
Installation notes (continued)
(Ring type shown). Fig 1.
1. The PM-Hx22 range of current transducers should only
be installed by a competent, suitably trained technician,
experienced in installation with hazardous voltages.
(>50Vac & <1000Vac or >75Vdc & 1500Vdc)
2. Ensure that all power is disconnected before carrying out
any work on the PM-Hx22 range. Never rely on status
indicating devices only to determine if power is present
in a conductor.
Fig 2.
3. When installing the split-core version ensure that there
are no dirt particles that will prevent good contact be-
tween the core pieces when the device is closed.
4. Mount the sensor in a suitable location using the two
mounting holes in the base of the unit or use the self-
gripping iris which eliminates the need for drill mounting
(split core only).
Wiring example
5. Maximum output cable size is 2.5mm², care must be
taken not to over tighten the screw terminals.
6. Insure that the range selection slider is in the correct
position for the current being monitored. Excessive cur-
rent can damage the sensor.
Notes
Low conductor current:
If the load is low you can loop the conductor through the
sensor to provide adequate current and ensure accuracy.
Example:-
Load is 2.5A, pass the cable through the aperture 3 times
and you will have a total load of 7.5A and set the amp range
selector switch to 10A. See fig 1.
High conductor current and large diameter cables:
If the load is greater than the maximum specified for the
transformer or the cable diameter is greater than the aper-
ture of the current switch, you must use a suitable current
transformer. See fig 2.
Example:-
When monitoring loads greater than 200A (when using the
PM-H722HC), install a suitable CT with a 5A secondary.
Pass a cable connected to the secondary winding of the
current transformer through the aperture ten times and set
the amp range selector switch to 50A.
International Tel: +44 1732 861225
UK Sales Tel: 0845 345 7253
International Fax: +44 1732 861226
UK Sales Fax: 0845 345 7353
Page 2
Whilst every effort has been made to ensure the accuracy of this specification, Sontay cannot accept responsibility for damage, injury, loss or
expense resulting from errors or omissions. In the interest of technical improvement, this specification may be altered without notice.
90800066 Issue 1
Data Sheet Ref: 90501177
Issue: 5.1
PM-Hx22
www.sontay.com
0-5Vdc Current transducer
Dimensions
Solid core:
22mm
19mm
74mm
65mm
67mm
5mm
27mm
Split core:
23mm
28mm
74mm
65mm
66mm
26mm
81mm
International Tel: +44 1732 861225
UK Sales Tel: 0845 345 7253
International Fax: +44 1732 861226
UK Sales Fax: 0845 345 7353
Page 3
Whilst every effort has been made to ensure the accuracy of this specification, Sontay cannot accept responsibility for damage, injury, loss or
expense resulting from errors or omissions. In the interest of technical improvement, this specification may be altered without notice.
90800066 Issue 1
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