Dm48-U Single Phase 48*48 Digital Voltmeters

Model NO.: DM48-U Installation: Direct Connected Electric Equipment: Single-phase Power Meter Connection: Terminal Type: Energy Meter Trademark: CNSCKJ Origin: Made in China Display: Digital Usage: Multi-Functional Energy Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter Theory: Electronic Meter Measured Signal: Continuous Wave Size: 48*48 Specification: CCC. CE. ROHS HS Code: 9030339000 DM48-U Single phase 48*48 digital voltmeters with best price 

Function: 
Real time measurement and indication on AC and DC voltage(current) in an electric circuit: programmable CT/PT ratio:Higher and lower limit alarm output and programmable rely time of alarm.


Basic parameters:
 
Measuring range:
AC voltmeter AC 10 ~ 600V,external PT is necessary if more than 600V
DC voltmeter DC 10 ~ 600V
Accuracy:±(0.5%FS+1 digit)
Measuring display mode: 4 LED nixietube effective value display
Resolution:last figure one digit
Overflow indication:the top digit display "1" or "-1" and other digit hiding
Auxiliary power supply:AC 220V±10%
Alarm contact capacity:AC250V/1A
Alarm Shift Difference:0.1%FS~50.0%FS
Alarm delay time:0.0~99.9s programmable

Terminal arrangement and wiring connection:
  ( Attention: If it is not the same with the wiring schema of the diagram behind case, please accord to the one of diagram behind case) 


POWER:Auxiliary power input port of instrument, Auxiliary power supply is AC 220V±10%  (please note if you need special power supply).
INPUT:Signal input port of instrument, HI represents"+" port of DC input signal, fire wire terminal of AC voltage input signal and inlet wire terminal
of AC current input signal.
LO: "-" port of DC input signal, the other one wire of AC voltage input signal; the outlet wire terminal of AC current signal input
OUT:the alarm contact output port of meter

Typical connection:

 

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