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. 914-7209
Mfr. Part No.4 120 65
BrandLegrand
£519.12
Each
Units
- - LCD - 1, 3 Yes - - - - - IEC 61010-1, IEC 62052-11, IEC 62053-21/23 - -
RS Stock No. 801-6325
Mfr. Part No.2901363
£270.42
Each
Units
90mm 72mm LCD - 3 Yes 64mm - Class 0.5 s (IEC 62053-22), Class 2 (IEC 62053-23) -10°C - - - -
RS Stock No. 124-2444
Mfr. Part No.P01331010
£135.18
Each
Units
- - LCD 8 1 Yes 65mm - - -25°C +55°C IEC - 0 9999999.9kWh
RS Stock No. 849-6305
Mfr. Part No.05.25.0004.1
BrandGrasslin
£67.50
Each
Units
- - LCD 7 3 Yes 65mm - - -25°C - - - -
RS Stock No. 886-1752
Mfr. Part No.AP70-38F75HRDI0000
£319.12
Each
Units
92mm 92mm LCD 14 - - 80mm - - -20°C +70°C ASTA, CE, CSA, UL 300 V (Aux), 5 A (Current), 500 V (Voltage) 1 5 A (Current), 100 500 V (Voltage), 60 300 V (Aux)
RS Stock No. 897-6839
Mfr. Part No.0 046 83
BrandLegrand
£335.58
Each
Units
- - LCD 8 3 - - - - -5°C +55°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.99kWh
RS Stock No. 124-2457
Mfr. Part No.P01331037
£245.02
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 99999999kWh
RS Stock No. 897-6804
Mfr. Part No.0 046 81
BrandLegrand
£251.56
Each
Units
- - LCD 7 1 Yes 65.4mm - - -10°C +45°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.9kWh
RS Stock No. 834-7562
Mfr. Part No.7KM4212-0BA00-2AA0
BrandSiemens
£777.94
Each
Units
92mm 92mm Graphical, LCD, Monochrome - - Yes 82mm - ±0.2 (Current) %, ±0.2 (Voltage) %, ±0.5 (Output) %, ±2 (Output Factor) %, ±2 (THD) % -10°C - - - -
RS Stock No. 123-6805
Mfr. Part No.N43-12100U0
£181.23
Each
Units
- - LCD - - - 60mm - - -10°C +55°C EN 61000-6-2, EN 61000-6-4, EN 61010-1 1, 6 kA, 63 Hz, 999 kVA, 999 kVar, 999 kW, 999 MVA, 999 MVar, 999 MW, 999 VA, 999 Var, 999 W, 999999.9 kVArh, 999999.9 KWh, 999999.9 MWh 0 999 kVA, 0 999 kVar, 0 999 kW, 0 999 MVA, 0 999 MVar, 0 999 MW, 0 999 VA, 0 999 Var, 0 999 W, 0 999999.9 kVArh, 0 999999.9 KWh, 0 999999.9 MVArh, 0 999999.9 MWh, 0.1 A 6 kA, -1 1, 10 V 120 kV, 47 63 Hz
RS Stock No. 833-2780
Mfr. Part No.DMG200
BrandLovato
£159.97
Each
Units
- - LCD - 1, 2, 3 - 58mm - ±1 % -20°C +60°C - - -
RS Stock No. 897-6784
Mfr. Part No.0 046 86
BrandLegrand
£277.94
Each
Units
- - LCD 8 3 Yes - - - -5°C +55°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.99kWh
RS Stock No. 124-2454
Mfr. Part No.P01331015
£204.71
Each
Units
- - LCD 8 3 Yes 65mm - - -25°C +55°C IEC - 0 9999999.9kWh
RS Stock No. 834-7568
Mfr. Part No.7KM4211-1BB00-3AA0
BrandSiemens
£761.06
Each
Units
92mm 92mm Graphical, LCD, Monochrome - - Yes 82mm - ±0.2 (Current) %, ±0.2 (Voltage) %, ±0.5 (Output) %, ±2 (Output Factor) %, ±2 (THD) % -10°C - - - -
RS Stock No. 897-6781
Mfr. Part No.0 046 85
BrandLegrand
£378.42
Each
Units
- - LCD 8 3 Yes - - - -5°C +55°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.99kWh
RS Stock No. 801-6334
Mfr. Part No.2901362
£210.34
Each
Units
90mm 72mm LCD - 3 Yes 64mm - Class 0.5 s (IEC 62053-22), Class 2 (IEC 62053-23) -10°C - - - -
RS Stock No. 913-9696
Mfr. Part No.A9MEM3165
£141.42
Each
Units
- - LCD 9 3 Yes 69mm - - -25°C +55°C CE, cULus, EN 50470-3, IEC 60529, IEC 61010, IEC 61036, IEC 61557-12, IEC 62053-21, IEC 62053-23, MID Conforming to EN 50470-1, MID Conforming to EN 50470-3, UL 61010-1 63 A, 99999999.9 kWh 0 99999999.9 kWh, Maximum of 63 A
RS Stock No. 124-2450
Mfr. Part No.P01331042
£193.12
Each
Units
- - LCD 8 3 Yes 65mm - - -25°C +55°C EIA RS485, EN 50470-3, IEC, IEC 13757-1-2-3, IEC 62053-21, IEC 62053-23 - 0 9999999.9kWh
RS Stock No. 905-3435
Mfr. Part No.DME D130
BrandLovato
£120.52
Each
Units
- - LCD 7 1 Yes 63mm - - -25°C +55°C - - 184 264V ac
RS Stock No. 905-3422
Mfr. Part No.DME D120 T1 MID
BrandLovato
£84.35
Each
Units
- - LCD 6 1 Yes 63mm - - -25°C +55°C EN 50470-1, EN 50470-3, EN Protection Degree, MID Class B - 184 264V ac
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