This SKU CHN-VOS-DC70 is out of stock.
We recommend you another isolated DC voltage sensor CHN-VOS-DC1000, which has measuring range from DC 10mV, 50mV, 75mV, 5V, 75V, 150V, 300V, 500V to 1000V.
DC voltage sensor has measuring range of 100mV/1V/10V/50V to 70V.
Specification:
Model | CHN-WBV144H21-AS |
Shipping weight | 1kg |
Measuring range of input voltage * | DC 0-100mV ~ 0-70V |
Short-time overload | 2 times of nominal input voltage, 1s in duration, interval time 10s, repeat 10 times |
Linear measurement range | 0% ~ 120% measuring range |
Input impedance | When Ux>1V, Ri=Ux*10kΩ/V; when Ux≤1V, Ri≥1MΩ |
Output signal | DC 4-20mA |
Power supply * | DC 12V, 24V |
Accuracy | 0.5%F.S. |
Load capacity | 300Ω |
Response time | ≤250ms |
Temperature drift | 300*10-6/℃ |
Isolation features | Isolation between input and output, output terminals provides power supply |
Isolation voltage | AC 2kV, 1 min |
Work temperature | -10~+60℃ |
Storage temperature | -25~+70℃ |
Protection features | Surge (inrush) immunity: Output/power supply 2kV 1.2/50μs Electrostatic discharge immunity: Contact discharge 6kV, air discharge 8kV Radio frequency electromagnetic field radiation immunity: A Electrical fast transient burst immunity: Signal line port ±2kV, power supply port ±2kV Conducted immunity of radio frequency electromagnetic field: A Inrush current: Input port common mode 5kA, differential mode 3kA, 8/20μs |
Mean time between failures | >50000h |
Housing material | Fire-retardant ABS |
Wiring | Terminal connection |
Installation | DIN rail (NS35/7.5, NS35/15, EN50022) |
DC voltage sensor 100mV to 70V dimensional drawing (unit: mm):

DC voltage sensor 100mV to 70V wiring diagram:

DC voltage sensors adopt photoelectric isolation principle, with measuring range from DC 100mV/1V/10V/50V to 70V, supply voltage DC 12V/24V, accuracy 0.5%FS, output signal 4-20mA and strong anti-interference capability. DC voltage sensor is mainly used for voltage isolation and monitoring of all kinds of instruments.