Shanghai Metering developed two types of the Socket type meters as per ANSI standard. A base type and S base type.

TECHNICAL DATA:
1.
 Accuracy:
class 1 or class 0.5
2.

Reference current:

 
Direct connected:
10(60)A, 10(100)A, 15(100)A, 20(80)A, 30(100)A,
transform operated:
2.5(20)A, 1(6)A, 5(6)A
3.
 Reference voltage:
3x220/380V, 3x230/400V, 3x240/415V, 3x110V
4.
 Reference frequency:
50Hz or 60Hz
5.
 Installation:
Indoor or Outdoor
6.
 Application:
Registration of kWh, kVarh, KW etc.
    The software for Time of Use cab be developed to accommodate future tariff.
7.
 Register and Display:
Meter number, Time & Date.
    Cumulative kWh, kVarh, reverse kWh.
Total reverse kWh, Maximum demand(KW), Number of MD reset.
Average PF for billing period
Instantaneous Phase voltage, Phase current, Power factor
Instantaneous demand, Maximum demand
Tampering indication in the register.
8.
 Memory storage:

Sufficient capacity to store the readings and data in non-volatile memory even in case of power failure.

9.
 Communication: As per ANSI C12.18 or IEC61107 or DLMS IEC62056
10.
 Standard:

As per ANSI C12.1, C12.10, C12.20, C12.16, C62.41, C37.90.1 ASTM-B117, UL-50

11.
 Optional: Installed PLC and GSM modem inside connect to AMR system. Prepayment system.