DMK 70-71,75 / R1 Digital Measuring Instruments

Lovato Electric

DMK 70-71, 75 / R1 Digital Measuring Instruments

Digital Measuring Instruments – three 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 70 – DMK 70 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 71 – DMK 71 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 75 – DMK 75 R1
– Voltage measurement range: 35-660VAC.
– Current measurement range: 0.05-5.75A.
– Operating frequency range: 45-65Hz.
– Programmable CT ratio: 5-10,000.
– Programmable VT ratio: 1.00-500.00.
– Accuracy: Voltage +/- 0.25% f.s. +/- 1 digit, Current +/- 0.5% f.s. +/- 1 digit.
  • Order Code Description
    DMK70  3 phase voltage values, 3 phase to phase voltage values, 3 max phase voltage values, 3 max phase to phase voltage values, 3 min phase voltage values, 3 min phase to phase voltage values.
    DMK70R1  3 phase voltage values, 3 phase to phase voltage values, 3 max phase voltage values, 3 max phase to phase voltage values, 3 min phase voltage values, 3 min phase to phase voltage values, relay output with control and protection functions.
    DMK71  3 phase current values, 3 max phase current values, 3 min phase current values.
    DMK71R1  3 phase current values, 3 max phase current values, 3 min phase current values, relay output with control and protection functions.
    DMK75  3 phase voltage values, 3 phase to phase voltage values, 3 phase current values, 4 active power values – phase and total, 3 maximum phase voltage values, 3 maximum phase to phase voltage values, 3 maximum phase current values, 4 max active power – phase and total, 3 minimum phase voltage values, 3 minimum phase to phase voltage values, 3 minimum phase current values, 4 min active power – phase and total.
    DMK75R1  3 phase voltage values, 3 phase to phase voltage values, 3 phase current values, 4 active power values – phase and total, 3 maximum phase voltage values, 3 maximum phase to phase voltage values, 3 maximum phase current values, 4 max active power – phase and total, 3 minimum phase voltage values, 3 minimum phase to phase voltage values, 3 minimum phase current values, 4 min active power – phase and total, connection also to single phase, relay output with control and protection functions.

(please see linked PDF’s for further information)