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.
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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)
