DMK 80-84 / R1 Digital Measuring Instruments

Lovato Electric

DMK 80-84 / R1 Digital Measuring Instruments

Digital Measuring Instruments – single phase, non-expandable

  • Modular housing, 3 module size.
  • LED Digital Measuring Instruments.
  • Measurements are true RMS values and provide for reliable operation even in presence of harmonics.
  • General operational characteristics include:
– Auxiliary supply voltage: 220-240VAC standard; 24VAC, 110-127 or 380-415VAC type on request.
– Operating frequency: 50-60Hz.
– True RMS measurements.
– HIGH and LOW measurement storage.
– 1 relay output with 1 changeover contact for DMK… R1 only.
– Modular DIN 43880 housing, 3 modules.
– Terminals: 4x4mm.
– IEC protection degree: IP40; IP 20 at terminals.
DMK 80 – DMK 80 R1
– Voltage measurement range: 15-660VAC.
– Operating frequency range: 45-65Hz.
– Programmable VT ratio: 1.00-500.00.
– Accuracy: +/- 0.25% f.s. +/- 1 digit.
DMK 81 – DMK 81 R1
– Current measurement range: 0.05-5.75A.
– Operating frequency range: 45-65Hz.
– Programmable CT ratio: 5-10,000.
– Accuracy +/- 0.5% f.s. +/- 1 digit.
DMK 82
– Voltage measurement range: 15-660VAC.
– Current measurement range: 0.05-5.75A.
– Operating frequency range: 45-65Hz.
– Programmable CT ratio: OFF/5-10,000.
– Accuracy: Voltage +/- 0.25% f.s. +/- 1 digit, Current +/- 0.5% f.s. +/- 1 digit.
DMK 83 – DMK 83 R1
– Measurement input: 15-660VAC.
– Frequency measurement range: 50-60Hz +/- 10%.
– Measurement accuracy: +/- 1 digit.
– Accuracy 1 degree +/- 1 digit.
DMK 84 – DMK 84 R1.
– Cosphi measurement error: +/-  0.5 degrees +/- 1 digit.
– Cosphi measurement in 4 quadrants.
– Accuracy: +/- 1 degree +/- 1 digit.
  • Order Code Description
    DMK80  1 voltage value, 1 max voltage value, 1 min voltage value.
    DMK80R1  1 voltage value, 1 max voltage value, 1 min voltage value, relay output for control and protection functions.
     DMK81  1 current value, 1 max current value, 1 min current value.
    DMK81R1  1 current value, 1 max current value, 1 min current value, relay output for control and protection functions.
    DMK82  1 voltage or current value, 1 maximum voltage or current value, 1 minimum voltage or current value, The DMK02 can operate as a voltmeter or ammeter. It is duly equipped with two front plates (V and A) which must be fitted by the user depending on which instrument is required and on the wiring scheme used.
    DMK83  1 frequency value, 1 max frequency value, 1 min frequency value.
    DMK83R1  1 frequency value, 1 max frequency value, 1 min frequency value, relay output for control and protection functions.
    DMK84  1 cosphi value, 1 power factor value.
    DMK84R1  1 cosphi value, 1 power factor value, relay output for control and protection functions.

(please see linked PDF’s for further information)