Performance criteria:

Operating humidity ≤ 75%
Storage humidity ≤ 95%
Operating temperature -10C - +50C
Storage temperature -30C - +70C
International standard IEC 62053-21
Accuracy class 1
Protection against penetration
Of dust and water IP51
Insulating encased meter of
Protective class II

Specifications:
Meter type DRS201A(register display)
DRS201D LCD (LCD display)
Nominal voltage (Un) 230V AC
Operational voltage 161 - 300V AC
Insulation capabilities:
- AC voltage withstand 2KV for 1 minute
- Impulse voltage withstand 6KV --- 1.2uS waveform
Basic current (Ib) 5A
Maximum rated current (Imax) 45A
Operational current range 0.4% Ib- Imax
Over current withstand 30Imax for 0.01s
Operational frequency range 50Hz +-10%
Internal power consumption ≤2W / 10VA
Test output flash rate (RED LED) 2000/kWh
Pulse output rate (pins 20 & 21) 2000/kWh
Consumption indicator (RED LED) Flashing at load running