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. 820-3042
Mfr. Part No.2CSG299903R4052
BrandABB
$880.43
Each
units
- - LCD 4 1, 3 Yes 57mm - ±0.5 % -5°C - - - -
RS Stock No. 913-9722
Mfr. Part No.EBX510
$3,239.76
Each
units
- - - - - - 69mm - - -25°C +70°C C-Tick, CE, CUL, EN 60950, EN 61010-1, UL, UL 508, UL 60950 - -
RS Stock No. 841-7774
Mfr. Part No.METSEPM5320
$1,302.41
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS Stock No. 871-8291
BrandRS PRO
$133.73
Each
units
90mm 35mm LCD 7 1 Yes 62mm - 1 % -25°C +55°C CE, MID, RoHS Compliant 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVarh 0 → 9999999.9 (Active) kWh, 0 → 9999999.9 (Reactive) kVArh
RS Stock No. 834-7556
Mfr. Part No.7KM2112-0BA00-2AA0
BrandSiemens
$783.86
Each
units
92mm 92mm Graphical, LCD, Monochrome - - Yes 56mm - ±0.2 (Current) %, ±0.3 (Voltage) %, ±0.5 (Output Factor) %, ±0.5 (Output) % -10°C - - - -
RS Stock No. 913-9674
Mfr. Part No.A9MEM2110
$408.48
Each
units
- - LCD 8 1 Yes 64mm - - -25°C +70°C CE, EN 50470-3, IEC 60529, IEC 62052-11, IEC 62052-31, IEC 62053-21, IEC 62053-23, IEC 62053-31, MID Conforming to EN 50470-1, MID Conforming to EN 50470-3, UL 94 63 A, 65 Hz, 999999.99 kWh 0 → 999999.99 kWh, Maximum of 63 A, 45 → 65 Hz
RS Stock No. 772-1549
Mfr. Part No.A9MEM3100
$537.66
Each
units
95mm 90mm LCD 10 3 - 69mm - - -25°C - - - -
RS Stock No. 665-4928
Mfr. Part No.7KM2112-0BA00-3AA0
BrandSiemens
$1,107.65
Each
units
92mm 92mm LCD - - - 56mm 54 mm Class 2 - - - - -
RS Stock No. 913-9756
Mfr. Part No.METSEPM5560
$2,310.71
Each
units
- - LCD - 3 - 72mm - ±0.05 (Frequency) %, ±0.05 (Power Factor) %, ±0.1 (Voltage) %, ±0.15 (Current) °C, ±0.2 (Active Energy) %, ±0.2 (Active Power) %, ±0.5 (Apparent Power) %, ±1 (Reactive Energy) % -25°C +70°C CE Conforming to IEC 61010-1c, CULus Conforming to UL 61010-1, EN 50470-1, EN 50470-3, IEC 60529, IEC 61557-12, IEC 62053-22, IEC 62053-24 10 A, 65 Hz, 400 (Phase and Neutral) V ac, 690 (Phase) V ac 5 mA → 10 A, 20 → 400 (Phase and Neutral) V ac, 35 → 690 (Phase) V ac, 45 → 65 Hz
RS Stock No. 841-7787
Mfr. Part No.METSEPM5563
$2,494.63
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.2 % -25°C - - - -
RS Stock No. 913-9661
Mfr. Part No.A9MEM2000
$242.83
Each
units
- - LCD 7 1 - 67mm - - -20°C +70°C CE, IEC 60529, IEC 61557-12, IEC 62053-21, MID 40, 62 Hz, 999999.9 kWh 0 → 999999.9 kWh, Maximum of 40 A, 48 → 62 Hz
RS Stock No. 841-7756
Mfr. Part No.METSEPM3250
$880.91
Each
units
- - LCD - 1, 3 Yes 70mm - 0.3 %, 0.5 % -25°C - - - -
RS Stock No. 913-9665
Mfr. Part No.A9MEM2010
$264.32
Each
units
- - Electromechanical - 1 Yes 67mm - ±20 V -20°C - - - -
RS Stock No. 841-7734
Mfr. Part No.A9MEM3200
$604.30
Each
units
- - LCD 10 - Yes 69mm - - -25°C - - - -
RS Stock No. 913-9671
Mfr. Part No.A9MEM2150
$556.04
Each
units
- - LCD 8 1 - 64mm - - -25°C +70°C CE, EN 50470-3, IEC 60529, IEC 62052-11, IEC 62052-31, IEC 62053-21, IEC 62053-23, IEC 62053-31, UL 94 63 A, 65 Hz, 999999.99 kWh 0 → 999999.99 kWh, Maximum of 63 A, 45 → 65 Hz
RS Stock No. 913-9637
Mfr. Part No.A9MEM2100
$294.11
Each
units
- - LCD 5 1 - 65mm - - -20°C +70°C CE, IEC 60529, IEC 61557-12, IEC 62053-21 63 A, 65 Hz, 999.99 MWh 0 → 999.99 MWh, Maximum of 63 A, 45 → 65 Hz
RS Stock No. 914-5360
Mfr. Part No.C-TRAN-250A
BrandHOBUT
$324.81
Each
units
- - No Display - 3 - 59mm - 0.1 (Active) %, 0.1 (Frequency) %, 0.1 (Reactive Energy) %, 0.2 (Parameters Unless Stated) %, 0.5 (Power Factor) % - +60°C BS 4889, BSEN 60688, CE, CUL, EN 61010-1, EN 61326-2, IEC 1036, IEC 359, IEC 60044-1, IEC 688, IEC 801.EN 55020, UL 330 (L-N) V, 440 (L-L) V 100 → 330 (L-N) V, 100 → 440 (L-L) V
RS Stock No. 841-7759
Mfr. Part No.METSEPM3200
$675.85
Each
units
- - LCD - 1, 3 Yes 70mm - 0.3 %, 0.5 % -25°C - - - -
RS Stock No. 897-6781
Mfr. Part No.0 046 85
BrandLegrand
$943.57
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. 841-7752
Mfr. Part No.METSEPM3210
$775.41
Each
units
- - LCD - 1, 3 Yes 70mm - 0.3 %, 0.5 % -25°C - - - -
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