SATEC Model EM133 NMI-designed DIN rail energy meter

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Electricity meters used for submetering are now required to comply with NMI testing standards for energy meters. From January 2013, the exemption for energy meters used for trade (billing customers) was lifted, meaning energy meters used in residential, commercial and other businesses environments must now have NMI (National Measurement Institute) approval.

SATEC (Australia) has introduced a multifunction, DIN rail-mounted, 0-100 A direct connected electricity meter that complies with NMI Pattern approval requirements. The EM133 incorporates many advanced features with Accuracy Class 0.5 S performance, and offers extensive capabilities in a compact design. With this meter, the company has achieved many challenging requirements of the NMI standard, including 12 kV impulse testing.

The meter provides full multifunction metering capability’s combined with 2 digital inputs, 1 digital output, IR communication and battery backup for the real-time clock (RTC). The device is fully compatible with all PM130 PLUS modules. It provides multifunctional three-phase power metering, in addition the EM133 can be configured as 3 x single-phase meters. The EM133 NMI Meter incorporates tariff revenue metering and basic power quality information. It features on board non-volatile memory for event and data logging. The device includes 16 set points and 4 counters that operate the built-in 2 DI/1RO or the various analog and digital I/O add-on modules.

The EM133 offers a wide range of network configurations and versatile voltage and current connections: 57 to 400 VAC, 100 A direct current measurement. Other features include RS485 communications and Ethernet module option, along with Modbus, TCP/IP protocol support. 

All SATEC metering include licence-free PAS software for configuration, data downloading in addition to providing analysis of PQ data such as PF, harmonics, real-time waveform and vector analysis.