Digital Power Meter - MEF

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Model MEF is specially designed as DC versa meter for process system, it features

1.Wide standard DC input ranges of over 10 voltage & current ranges as 0-20, 0-40mA or 0-10V ect.
2.With switchable rangeability for display scale to suit required engineering unit range from 0 to +4000 counts.
3.With option of analog output of per mV per count, or simulating DC24V power applied to two wire system.
4.With gain & offset of fine & coarse adjustment both from 0 to 165% full scale.

Digital Power Meter - MEF

 

Features
  • True process dc rate monitor
  • Wide standard dc voltage & current input
  • Rangable of idsplay scale for engineering unit
  • High accuracy of 0.05%
  • Option of dc linearty output or 24Vdc power output
  • Two wire application
  • 3-3/4 digits of maximum 3999 counts
  • Display with super rate LED
Model & Ordering

        
Specification
  • Accruacy (23 + 3oC) : 0.05% fs + 1 count
  • Stability : Temperature coefficient < 50 ppm per degree C, long term draft < 0.1% per year
  • Display & resolution : 0.56" super rate LED, 3-3/4 digits of maximum 3999 counts
  • Response esponse time : Sample rate 1 sec typically
  • Input resistance > 1 M for voltage input, < 20 for current input
  • Input over : Maximum 1 ampere for current input, maximum 250V for voltage input
  • Noise rejection : Cmrr > 120 db, Nmrr > 100 db.
  • Operating condition : Temperature range -10 to 55oC, 0-99% RH non-condensed, storage -25 to 70oC
  • Auxiliary power : AC + 15% < 3.5 VA, DC + 20% < 5 watts