Lovato DMK02 - VOLTMETER OR AMMETER - SINGLE PHASE - 1 VOLTAGE OR CURRENT VALUE - 1 MAXIMUM VOLTAGE OR CURRENT VALUE - 1 MINIMUM VOLTAGE OR CURRENT VALUE

General characteristics

The DMK 0... instruments are available with flush-mount housing, 96x48mm/3.78x1.89”.
Measurements are True RMS values and provide for reliable operation even in the presence of harmonics.

Operational characteristics

– Auxiliary supply voltage: 220-240VAC;
– Operating frequency: 50-60Hz
– True RMS measurements
– Max. and Min. measurement storage
– 1 relay output with 1 changeover contact (for DMK...R1 only)
– Housing: Flush mount 96x48mm/3.78x1.89”
– Terminals: 4mm2
– Degree of protection: IP54 on front; IP20 at terminals.

DMK 00 - DMK 00 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 01 - DMK 01 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 02
– Voltage measurement range: 15-660VAC
– Current measurement range: 0.05-5.75A
– Operating frequency range: 45-65Hz
– Programmable VT ratio: 1.00-500.00
– Programmable CT ratio: OFF/5-10,000
– Accuracy: Voltage ±0.25% f.s. ±1 digit Current ±0.5% f.s. ±1 digit

DMK 03 - DMK 03 R1
– Measurement input: 15-660VAC
– Frequency measurement range: 15-65Hz
– Accuracy: ±1 digit

DMK 04 - DMK 04 R1
– Cosphi measurement error: ±0.5° ±1 digit
– Cosphi measurement in 4 quadrants
– Accuracy: ±1° ±1 digit

Control and protection functions

DMK 00 R1
– Voltage loss or failure: OFF/5-85%
– Maximum voltage: OFF/102-120%
– Minimum voltage: OFF/70-98%
– Time delay for max-min voltage or voltage loss, phase loss : 0.0-900.0 seconds.

DMK 01 R1
– Current loss: OFF/2-100%
– Maximum current: OFF/102-200%
– Maximum current instantaneous tripping: OFF/110-600%
– Minimum current: OFF/5-98%
– Time delay for max-min current or current loss : 0.0-900.0 seconds.

DMK 03 R1
– Maximum frequency: OFF/101-110%
– Minimum frequency: OFF/90-99%
– Time delay for min-max frequency : 0.5-900.0 seconds.

DMK 04 R1
– Minimum-maximum cos thresholds in 4 quadrants
– Minimum-maximum PF thresholds in 4 quadrants
– Delay time for max or min threshold : 1-9,000 seconds.

Certifications and compliance

Certifications obtained: EAC; UL Listed, for USA and Canada (cULus - File E93601), as Auxiliary Devices- Multimeters.
Compliant with standards: IEC/EN 61010-1, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, CSA C22.2 n° 14.

Independent adjustable delays.