CEWE Wall Mounted Prometer 100 Class 0.5 and 0.2

CEWE Wall Mounted Prometer 100 Class 0.5 and 0.2


£1,197.60 inc. VAT

Product Description

Prometer 100 is a series of next generation energy meters designed for power transfer points requiring precise measurements and revenue transactions. Multiple communication options ensure easy integration with AMR/AMI/SCADA systems and upgrade to future sub-station automation systems. Four-quadrant energy measurement allows monitoring of generation, transmission and bulk power transfer points.

Product Features:
  • 0.2S/0.5S accuracy for active and reactive measurement
  • Wide-range dual auxiliary supply with options for AC/DC and self-power (VT powered)
  • Power quality features including THD, sag, swell, voltage unbalance and interruption recording
  • Dynamic error compensation for CT/VT
  • Transformer/Line loss adjustment (Copper and Iron losses)
  • Intuitive graphical display including vector diagram, wave forms and bar chart for consumption
  • Remote configuration of communication ports
  • Simultaneous DLMS and MODBUS over Ethernet port
  • Support of meter reading / display over field replaceable battery
  • In built IEC61850 along with RS232/RS485 and Ethernet ports in a single product & capability of simultaneous communication through all these ports
  • Dual loggers for energy and instantaneous parameters
  • Flexible time-of-day tariff, maximum demand support, DST (Daylight saving time) support with automatic billing
  • dates
    Meter cover and terminal cover open detection
  • RS232 port compatible with meter-powered modem



Connection type


Measurement voltage range

100 V to 415 V (L-L) ±30% 3P 4W, 100 V to 240 V (L-L) ±30% 3P 3W

Measurement current range

1-10 A (configurable)



Burden with auxiliary / Self (VT) powered

Current circuit:
< 0.1 VA/phase @ 1A, < 0.5 VA/phase @ 5A
Voltage circuit in case of Aux power:
< 0.1 VA/phase
Voltage circuit in case of internal / self power:
< 6 VA/phase


Class 0.2S / class 0.5S / class C

Maximum withstand Voltage

1.5 times of nominal voltage continuously
2 times of nominal voltage for 0.5 second

Maximum withstand Current

1.5 times of Imax continuously
10 times Imax for 1 second
20 times Imax for 0.5 second



IEC 62052-11, IEC 62052-31, IEC 62059-31-1 , IEC 62053-22, IEC 62053-23,
IEC 62053-24, IEC 62056-52, IEC 61010-1, IEC 61010-2-030, CE,
MID (EN 50470-1, EN 50470-3), IEC 61850-6, 7-1, 7-2, 7-3, 7-4, 8-1
(as per edition 1 and 2)


Ingress protection


Operating temperature

-25°C to + 60°C

Limit range of operation

-25°C to + 70°C

Storage temperature

-40°C to + 80°C

Temperature coefficient

<0.3%/10 C (UPF) for class 0.5

Temperature coefficient

<0.1%/10 C (UPF) for class 0.2


Dimensions (H x W x D)

292.7 x 201.5 x 105.2 mm (± 0.5 mm)


2 kg (+/- 200 gm)


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CEWE Wall Mounted Prometer 100 Class 0.5 and 0.2

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