WM 400 SERIES AC Voltage Measurement
DESCRIPTION (AVERAGE RMS AND TRUE RMS Responding)
WM400 Series AC voltage transducers and transmitters are designed to provide a DC output proportional to the AC voltage input. It features with high accuracy, low wiring costs, easier installation and low power consumption and low cost. These
APPLICATIONS (For General Applications)
Building Automation, Energy Management
Monitor motor faults
Monitor lighting elements
Monitor heating elements
WM 400 series AC Voltage transducers have meet requirement of IEC 61010-1
TECHNICAL DATASHEETS
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Input Signal (AC VOLATEG)
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Ranges available up to and including 1000V AC
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Allowed overload
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2 times of input voltage value, continues for 1 second; stop 10 seconds, then repeat 10 times.
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Linear range
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0%-120%
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Frequency range
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50Hz; 60Hz;
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Aperture case style
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S type
U type
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Input impedance
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Ri=Ux*1kΩ/V
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Output signal
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DC voltage, DC current
True RMS sensing output
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Output specifications
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DC 0-5V;DC 0-10V;
DC 0-20Ma; DC 4-20Ma;
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Accuracy
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0.2% or
0.5%
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Load capacity
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For voltage output:5mA
For current output: 6V
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Response Time
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300ms
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Thermal drift
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150ppm to 300ppm ( depending on output value)
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Other characteristics
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Power supply
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Available in
Other output:DC12V;DC24V
AC/DC 85V-265V
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Static current
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5mA to 24mA (depend on the output)
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Working temperature
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0~50℃
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Storage temperature
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-25 ℃ ~70℃
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Isolation
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Total galvanic isolation circuitry design
Two wire system (loop powered) input to output isolated
Also available in: input to output to power supply isolated
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Isolation voltage
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2500VDC-3500VDC
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Case protection
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IP 20
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Mean Time Between Failure
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50000 hours
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Case material
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According to UL94V-0; Fire Retarded
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Installation
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Rail mounting According European standard EN50022. or M3 screw
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Dimensions
Length*width*height
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for U case style: 105mm*23mm*70.5mm
for S case style:105mm*24mm*66
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MODEL SELECTION TABLE
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AC voltage (Average RMS Responding)
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For Isolation: (1) 2: means input to output isolated, power supply connects output terminal;
) 3 : means input to output to power supply isolated;
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Model
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Input (ac)
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Output
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Power supply
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Aperture
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Isolation
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Price
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For ac voltage output
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WMV411D07
Miniature type
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10V…1000V(need to add external current limit resistor according to 1KΩ/V ratio)
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AC 0-3.5V
AC 0-5V
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DC±12V
DC±15V
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-
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2 ISOLATION
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WMV121G07
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50Mv…50V
Add external resistor for extended measurement to 1000 V);
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AC 0-3.5V
AC 0-5V
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DC±12V
DC±15V
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-
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2 ISOLATION
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WMV121G27
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75Mv;100Mv;
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AC 0-3.5V
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DC±12V
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2 ISOLATION
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For dc current output
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WMV414U01
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10V… 1000V;
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0-20 mA;
4-20 mA
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DC +12V;24V
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-
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2 ISOLATION
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WMV414U05
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10V…1000V;
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0-20 mA;
4-20 mA
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DC +24V
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-
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3 (Triple Isolation)
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WMV414U09
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10V…1000V;
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0-20 mA;
4-20 mA
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AC/DC 85V-265V
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-
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3 (Triple Isolation)
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For dc 4-20Ma output (2-wire loop powered)-
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WMI414U03
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10V…1000V;
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DC 4-20mA
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DC +12V;24V
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-
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Loop powered
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For dc voltage output
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WMV412U01
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10V…1000V;
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0-5V;0-10V
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DC +12V;24V
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-
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2 ISOLATION
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WMV412U05
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10V…1000V;
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0-5V;0-10V
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DC +24V;
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-
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3 (Triple Isolation)
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WMV412U09
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10V…1000V;
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0-5V;0-10V
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AC/DC 85V-265V
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-
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3 (Triple Isolation)
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WMV412D01
Miniature type
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10V…1000V(need to add external current limit resistor according to 1KΩ/V ratio)
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DC 0-5V;
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DC +12V;15V;
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-
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2 ISOLATION
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For TRUE-RMS sensing
The series are designed for applications where AC voltage waveforms are not purely sinusoidal. More precise and accurate than other devices, these units are ideal in chopped wave and phase fired control systems.
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WMV415S01
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10V…500V;
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0-5V;0-10V
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DC +12V;24V
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-
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2 ISOLATION
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WMV415U01
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10V…1000V;
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0-5V;0-10V
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DC +12V;24V
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-
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2 ISOLATION
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WMV417S01
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10V…500V;
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0-20 mA;
4-20 mA
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DC +12V;24V
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-
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2 ISOLATION
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WMV417U01
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10V…1000V;
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0-20 mA;
4-20 mA
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DC +12V;24V
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-
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2 ISOLATION
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