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. 913-9665
Mfr. Part No.A9MEM2010
SGD218.43
Each
units
- - Electromechanical - 1 Yes 67mm - ±20 V -20°C - - - -
RS Stock No. 897-6826
Mfr. Part No.0 046 72
BrandLegrand
SGD658.16
Each
units
- - LCD 7 1 Yes 65.5mm - - -10°C +45°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.9kWh
RS Stock No. 709-9701
Mfr. Part No.4850 3011
BrandSocomec
SGD348.34
Each
units
92mm 92mm LCD - 3 Yes 80mm - Class 0.5 s (EN62053-21), Class 2 (EN61268) -10°C - - - -
RS Stock No. 913-9712
Mfr. Part No.A9MEM3355
SGD813.58
Each
units
- - LCD 9 3 Yes 69.3mm - - -25°C +55°C 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 - 0 → 99999999.9kWh
RS Stock No. 914-6726
Mfr. Part No.2CMA170520R1000
BrandABB
SGD318.29
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. 913-9744
Mfr. Part No.METSEPM5330
SGD1,254.03
Each
units
- - LCD - 3 - 72mm - ±0.005 (Power Factor) %, ±0.05 (Frequency) %, ±0.5 (Active Energy) %, ±0.5 (Active Power) %, ±0.5 (Apparent Power) %, ±0.5 (Current) %, ±0.5 (Voltage) %, ±2 (Reactive Energy) % -25°C +70°C CE Conforming to IEC 61010-1c, CULus Conforming to UL 61010-1, EN 50470-1, EN 50470-3, EN 55022, IEC 60529, IEC 61000-4-2, IEC 61000-4-8, IEC 61557-12, IEC 62053-22, IEC 62053-24 9 A, 65 Hz, 400 (Phase and Neutral) V ac, 690 (Phase) V ac 10 mA → 9 A, 20 → 400 (Phase and Neutral) V ac, 35 → 690 (Phase) V ac, 45 → 65 Hz
RS Stock No. 913-9725
Mfr. Part No.A9MEM3375
SGD963.88
Each
units
- - LCD 9 3 - 69.3mm - - -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 61010-1 125 A, 99999999.9 kWh 0 → 99999999.9 kWh, Maximum of 125 A
RS Stock No. 723-2235
Mfr. Part No.7KM4212-0BA00-3AA0
BrandSiemens
SGD1,480.27
Each
units
92mm 92mm LCD - - Yes 82mm 54 mm Class 2 -10°C - - - -
RS Stock No. 124-2461
Mfr. Part No.P01331041
SGD813.66
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. 789-4102
Mfr. Part No.2CMA170531R1000
BrandABB
SGD908.09
Each
units
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS Stock No. 841-7771
Mfr. Part No.METSEPM5331
SGD965.51
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS Stock No. 914-5360
Mfr. Part No.C-TRAN-250A
BrandHOBUT
SGD283.15
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. 613-7417
Mfr. Part No.7E.16.8.230.0010
BrandFinder
SGD165.76
Each
units
89mm 35mm Mechanical 7 1 Yes 56mm 4 mm Class 1 -10°C +55°C - - -
RS Stock No. 913-9716
Mfr. Part No.A9MEM3365
SGD961.87
Each
units
- - LCD 9 3 Yes 69.3mm - - -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 61010-1 125 A, 99999999.9 kWh 0 → 99999999.9 kWh, Maximum of 125 A
RS Stock No. 613-7401
Mfr. Part No.7E.13.8.230.0010
BrandFinder
SGD168.24
Each
units
92.1mm 17.5mm Mechanical 7 1 Yes 58mm 4 mm Class 1 -10°C +55°C - - -
RS Stock No. 833-2709
Mfr. Part No.DMG610
BrandLovato
SGD339.38
Each
units
92mm 92mm LCD - 1, 2, 3 - 65mm - ±1 % -20°C +60°C - - -
RS Stock No. 180-9639
Mfr. Part No.7KT1665
BrandSiemens
SGD245.66
Each
units
- - LCD - 3 - 63mm - - -25°C +55°C CE 66 Hz, 80 A, 400 V ac 187 → 400V ac
RS Stock No. 122-0564
Mfr. Part No.48530001
BrandSocomec
SGD1,068.14
Each
units
- - LCD - - - 67mm - 0.5 % -10°C +55°C - 300 V dc, 400 V ac 110 → 400 V ac, 120 → 300 V dc
RS Stock No. 849-6301
Mfr. Part No.05.25.0003.1
BrandGrasslin
SGD76.65
Each
units
- - LCD 6 1 Yes 65mm - - -25°C - - - -
RS Stock No. 124-2447
Mfr. Part No.P01331018
SGD362.56
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
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