Kamstrup OMNIPOWER® Single Phase 100A Smart Meter

OMNIPOWER® single phase direct connect smart electricity meter. Fitted with internal Smart disconnect breaker, RF communications, Accuracy Class 1, Measuring 4 quadrants, Standard with Battery & Supercap.

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OMNIPOWER single-phase meter is a direct connected electricity meter for registration of electric energy. The meter is fully electronic without movable parts. Thus, energy registration is not affected by shock or impact during transport and mounting. Furthermore, measurements are correct no matter the physical mounting direction. The shunt measuring principle secures good linearity and a considerable dynamic range. At the same time, the shunt measuring principle is immune to magnetism and DC currents. The easily readable display scrolls automatically between readings, or readings can be changed manually by the consumer activating a push button. The required display readings as well as their order are configurable. In addition to being read from the display, data can be collected via Radio Mesh network, optical output or from the module area. The unique module area also permits external changing of tariffs, pulse inputs and outputs, and configuration as well as a wide range of communication media. From the factory, the meter can be configured to measure both imported and exported energy. Measurements are saved in a permanent memory. As default, OMNIPOWER single-phase meter can generate load profiles in all four quadrants. A load profile provides detailed information about consumed and produced energy. An additional logger with 16 channels contains data for analysis purposes. As default, OMNIPOWER single-phase meter is supplied with the functions Smart Disconnect and software controlled Prepayment. The OMNIPOWER single-phase meter is also designed to support extended analysis of the main grid using measurements of THD, power factor, voltage unbalance, voltage variations and sags and swells. In order to minimise the manual configuration during installation, the meter is pre-configured from the factory. Furthermore, the meter can be reconfigured via a smart metering system.

Measuring principle

  • Current Current measurement by current shunt
  • Voltage Voltage measurement by voltage divider

Nominal voltage: Un 1×230 VAC -20 % – +15 %

Nominal Current: Itr – Ib (Imax) 0.25-5(100)A 35 mm²

Accuracy class

  • MID: Class B (1%)
  • IEC: Class 1

Nominal frequency fn 50 Hz ± 5 % or 60 Hz ± 5 %

Phase displacement Unlimited

Operating temperature: -40 °C – +70 °C

Storage temperature: -40 °C – +85 °C

Protection class IP54

Protection class II

Relative humidity

  • < 75 % year’s average at 21 °C
  • < 95 % less than 30 days/year, at 25 °C

Weight: 1100 g with breaker

Application area Indoors or outdoors in suitable meter cabinet

Internal consumption

  • Maximum power consumption of the current circuits with basic current: 01 VA 0.01 VA
  • Maximum power consumption of the voltage circuits: 6 VA, 0.2 W

Materials: Glass reinforced polycarbonate

Data storage:  EEPROM, > 10 years without voltage


  • LCD, 7 mm digit height (value field)
  • LCD, 5 mm digit height (identification readings)
  • LCD, 3 mm digit height (voltage and tariff readings)

Meter constant 1000 imp/kWh

S0 pulse diode 1000 imp/kWh, kvarh

Pulse time 30 ms ± 10 %

S0 pulse output 1000 imp/kWh

Pulse time 30 ms ± 10 %

Short circuit level 4500 A

Real-time clock (RTC)

Accuracy: Typically 5 ppm at 23 °C

Backup Battery life > 10 years at normal operation

Supercap life > 10 years at normal operation

Supercap operating time 7 days fully charged