Protection Multimeter

                           IEC 60974-2

                                    IEC 62052 Class 2

Standards             :   IEC 61010-1

Weight: 320 gm.

Panel cut out: 90+1X 90+1 mm.

Dimensions: 96X96X71 mm.

Degree of protection: IP 40 (front panel)

Humidity: < 75% RH non-condensing.

Operating temperature:-5 ?/SUP>C : 55 ?/SUP>C

Mechanical Parameters:

Power consumption: < 1 watts.

Display: 3X3.5 digits (7 - segment,14 mm height-   highly illuminated red display)

Sampling rate: 833k. Samples/sec. @ 50 Hz.

Power supply voltage: From 85-280 VAC (thanks to the well     designed switch mode power supply)

  a separate power supply.

Power supply          : From the measured voltages ?no need for 

Operating frequency: 45-65 HZ

Current measurement range: 50 mA ?6 A (i.e. from 1% to 120%   of full scale)

Current transformer ratio: 5/5 to 2500/5

Current: 5-amp from external current transformer.

Volt measurement range 85-270 VPH

Voltage: 380 / 220 VAC

System  : 3-phase, 4 wire unbalanced load.

Electrical Parameters:

- ATS (Automatic transfer switch) for Generator operation.

- (Two of three) to switch between three sources.

- (One of two) to switch between two sources.

Applications:

- Enable/Disable Control function.

- Ton : Time of reconnecting the load after detection of normal utility from 1 to 120 sec.

- Toff: Time of disconnecting the load after detection of OV/UV from 1 to 120 sec.

- Under voltage threshold : (UV) adjusted from 95% to 70 % of nominal voltage (220 VAC).

- Over voltage threshold: (OV) adjusted  from 105% to 120% of nominal voltage (220 VAC).

The following parameters can be set by the user:

- Phase rotation error protection.

- Phase loss protection.

- Under voltage protection

- Over voltage protection

B. Control:

- Frequency

  (VL1-N, VL2-N, VL3-N, VL1-L2, VL2-L3, VL3-L1)

- AC RMS values of 6 different voltages

- 3 phase currents (IL1, IL2, IL3).

A. Measurement and display of the following parameters:

 DPM Plus OV/UV is a multimeter which offers the following features

- 3 phase currents (IL1, IL2, IL3).

  • Country:Egypt
  • telephone:20-2-22625362
- 3 phase currents (IL1, IL2, IL3).
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