Digital Power Meters

A digital power meter is an electric meter that measures the amount of electrical energy consumed by residences, businesses or electrically powered devices. These meters continuously measure the instantaneous voltage and current to give a reading of energy used. The quantity of the reading is given by a numerical display.

What are digital power meters used for?

The primary function of a digital power meter is to measure energy consumption. These meters can also record other parameters of the load and supply of energy. For example, maximum rates of usage demands, voltages, power factors and reactive factors are also measured by power meters. A further use is time-of-day billing, where the amount of energy consumed can be split into on-peak and off-peak hours.

Types of digital power meters

The choice of a digital power meter depends on the functionality you require for energy consumption measurement. This could be either management and monitoring of network power quality or level and cost of consumption. Devices can allocate energy usage for tenant metering, sub-billing and highlight energy saving time periods. Power consumption measurements can be done on three-phase or single-phase networks.


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Description Price Cutout Height Cutout Width Display Type Number of Digits Number of Phases Pulse Output Depth Digit Height Meter Accuracy Minimum Temperature Maximum Temperature Approvals Maximum Measurement Measurement Range
RS Stock No. 897-6823
Mfr. Part No.0 046 79
BrandLegrand
TWD15,228.00
Each
units
- - LCD 7 1 - - - - -10°C +45°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.9kWh
RS Stock No. 837-0922
Mfr. Part No.4850 3020
BrandSocomec
TWD3,764.00
Each
units
- - LCD 6 1 Yes - - Class 1, Class B -10°C - - - -
RS Stock No. 180-9644
Mfr. Part No.7KT1671
BrandSiemens
TWD4,462.00
Each
units
- - LCD - 3 Yes 63mm - - -25°C +55°C - 66 Hz, 80 A, 400 V ac 187 → 400V ac
RS Stock No. 191-4381
Mfr. Part No.2908286
TWD12,160.00
Each
units
- - LCD - 2, 3 - 58mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS Stock No. 124-2439
Mfr. Part No.P01330752
TWD3,783.00
Each
units
- - LCD 3 1 Yes 63mm - - -25°C +55°C IEC, IEC 62053-21 - -
RS Stock No. 776-3017
Mfr. Part No.A9MEM3215
TWD13,508.00
Each
units
- - LCD 10 1, 3 - 69mm - - -20°C - - - -
RS Stock No. 914-6723
Mfr. Part No.A41 112-100
BrandABB
TWD8,688.00
Each
units
- - LCD - 1 Yes 65mm - Class 1 % -40°C +70°C EN 50470-1, EN 50470-3, EN 55022, GB 4208-2008, GB/T 17215.211-2006, GB/T 17215.321-2008 Class 1 & 2, GB/T 17215.322-2008 Class 0 & 5 S, IEC 6, IEC 60060-1, IEC 60529, IEC 60695-2-1, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 62052-11 - 57.7 → 288V ac
RS Stock No. 174-9868
Mfr. Part No.2CMA103574R1000
BrandABB
TWD5,098.00
Each
units
- - LCD 6 3 Yes 65mm - 1 % -25°C +70°C - 40 V dc, 100 mA 2 → 100 mA, 5 → 40 V dc
RS Stock No. 841-7771
Mfr. Part No.METSEPM5331
TWD22,669.00
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS Stock No. 124-2447
Mfr. Part No.P01331018
TWD8,372.00
Each
units
- - LCD 8 3 Yes 65mm - - -25°C +55°C EIA RS485, EN 50470-3, IEC 13757-1-2-3, IEC 62053-21, IEC 62053-23, MID - 0 → 9999999.9kWh
RS Stock No. 724-3651
Mfr. Part No.4850 3008
BrandSocomec
TWD8,538.00
Each
units
- - LCD - 3 Yes 62.5mm - - -10°C - - - -
RS Stock No. 191-4380
Mfr. Part No.2908285
TWD16,083.00
Each
units
- - LCD - 2, 3 - 58mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS Stock No. 819-9776
Mfr. Part No.E2C-CT
BrandEfergy
TWD2,823.00
Each
units
- - LCD 3 - - - - >90 % - - - - 50mA - 90A
RS Stock No. 776-3014
Mfr. Part No.A9MEM3255
TWD29,330.00
Each
units
- - LCD 10 1, 3 Yes 69mm - - -20°C - - - -
RS Stock No. 914-6720
Mfr. Part No.2CMA170535R1000
BrandABB
TWD12,593.00
Each
units
- - LCD - 3 Yes 65mm - Class 1 % -40°C +70°C EN 50470-1, EN 50470-3, EN 55022, GB 4208-2008, GB/T 17215.211-2006, GB/T 17215.321-2008 Class 1 & 2, GB/T 17215.322-2008 Class 0 & 5 S, IEC 6, IEC 60060-1, IEC 60529, IEC 60695-2-1, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 62052-11 - 57.7 → 500V ac
RS Stock No. 191-4379
Mfr. Part No.2907985
TWD15,316.00
Each
units
- - LCD - 2, 3 - 64mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS Stock No. 191-4378
Mfr. Part No.2907984
TWD22,224.00
Each
units
- - - - 2, 3 - 82mm - Class 0.5 S(IEC 62053-22), Class 2(IEC 62053-23) -10°C +55°C - - 1 → 20000A