Product Description
Lovato DMK Digital Measuring Instrument - Three Phase with LED
General characteristics
The DMK 1... instruments are available with flush-mount housing, 96x48mm size. Measurements are TRMS values and provide for reliable operation even in presence of harmonics.
Operational characteristics
– Auxiliary supply voltage: 220-240VAC
– Operating frequency: 50-60Hz
– TRMS measurements
– HIGH and LOW measurement storage
– 1 output relay with 1 changeover contact for DMK...R1 version only
– Housing: flush mount 96x48mm
– Terminals: 4mm2
– Degree of protection: IP54 on front.
DMK 10 - DMK 10 R1
– Voltage measure range: 15-660VAC
– Operating frequency range: 45-65Hz
– Programmable PT ratio: 1.00-500.00
– Accuracy: ±0.25% f.s. ±1 digit
For DMK 10 R1 only
– Phase loss or failure: OFF/5-85%
– Maximum voltage: OFF/102-120%
– Minimum voltage: OFF/70-98%
– Asymmetry: OFF/2-20%
– Phase sequence: OFF/L1-L2-L3/L3-L2-L1
– Frequency
• Maximum frequency: OFF/101-110%
• Minimum frequency: OFF/90-99%
– Time delay for max-min voltage, phase loss, asymmetry and min-max frequency ❶: 0.5-900.0 seconds.
