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Help CenterAC Current Transducer/Sensor（TURE）
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WM 400 SERIES AC Current Measurement
DESCRIPTION (TRUE RMS responding)
WM 400 True-RMS ac current transducers series are designed for applications where AC current waveforms are not purely sinusoidal. They are more precise and accurate than other transducers and are ideal in chopped wave and phase fired control systems.
APPLICATIONS
TURE-RMS sensing products are good applications of VFD (variable frequency drive) Controlled Loads, SCR (silicon-controlled rectifier) controlled Loads, and Switching Power supplies and Electronic Ballasts. SELECT WM400 TRUE RMS series transducers for non linear loads in “NOISY POWER” environments
Building Automation,
Energy Management
Monitor motor faults
Monitor lighting elements
Monitor heating elements
WM 400 series AC current transducers have meet requirement of IEC 61010-1TECHNICAL DATASHEETS
|
Input Signal (AC CURRENT) |
Ranges available up to and including 600AAC |
|
Allowed overload |
20 times of input current value, continues for 1 second; stop 300 second, then repeat 5 times. |
|
Linear range |
0%-120%; for 10V output 0%-100% |
|
Frequency range |
25HZ—5KHZ |
|
Aperture available |
S type: Ø4mm. Ø9mm F type: Ø20mm; Ø35mm; Ø48mm |
|
Input impedance |
About zero |
|
Output signal |
Tracking voltage; DC voltage, DC current TRUE RMS sensing output |
|
Output specifications |
DC 0-5V;DC 0-10V; DC 0-20Ma; DC 4-20Ma; |
|
Accuracy |
Other 0.2% |
|
Load capacity |
For voltage output:5mA For current output: 6V |
|
Response Time |
300ms |
|
Thermal drift |
150ppm to 300ppm ( depending on output value) |
|
Other characteristics |
|
|
Power supply |
Available in output:DC12V;DC24V AC/DC 85V-265V |
|
Static current |
5mA to 19mA (depend on the output) |
|
Working temperature |
0~50℃ |
|
Storage temperature |
-25 ℃ ~70℃ |
|
Isolation |
Total galvanic isolation between power supply circuit designs. (1)input to output isolated; (2)input to output to power supply isolated; |
|
Isolation voltage |
2500VDC-3500VDC |
|
Case protection |
IP 20 |
|
Mean Time Between Failure |
50000 hours |
|
Case material |
According to UL94V-0; Fire Retarded |
|
Installation |
Rail mounting According European standard EN50022. or M3 screw |
|
Dimensions Length*width*height |
for F case style: 137mm*24mm*84mm for S case style:105mm*24mm*66 |
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