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. 914-5357
Mfr. Part No.C-TRAN-100A
BrandHOBUT
TWD6,354.00
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. 913-9668
Mfr. Part No.RETMKITMIDM
TWD34,113.00
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 61010-1, CULus Conforming to UL 61010-1, EN 50470-1, EN 50470-3, IEC 60529, IEC 61557-12, IEC 62053-22, IEC 62053-24, MID Conforming to EN 50470-1, MID Conforming to EN 50470-3 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. 144-0533
BrandRS PRO
TWD1,845.00
Each
units
- - LCD 7 1 Yes 63mm - Class 1 -20°C +50°C - - -
RS Stock No. 789-4127
Mfr. Part No.2CMA170533R1000
BrandABB
TWD10,262.00
Each
units
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS Stock No. 191-4375
Mfr. Part No.2907971
TWD26,832.00
Each
units
- - - - 2, 3 - 82mm - Class 0.5 S(IEC 62053-22), Class 2(IEC 62053-23) -10°C +55°C - - 1 → 20000A
RS Stock No. 124-2461
Mfr. Part No.P01331041
TWD18,723.00
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 → 99999999kWh
RS Stock No. 183-4277
Mfr. Part No.DMED330MID
BrandLovato
TWD7,754.00
Each
units
- - LCD - 3 - 58mm - Class B -25°C +55°C - 264 (L-N) V, 456 (L-L) V 187 → 264 (L-N) V, 323 → 456 (L-L) V
RS Stock No. 871-8311
BrandRS PRO
TWD519.00
Each
units
96mm 96mm - - - - 63mm - - - - CE, RoHS Compliant - -
RS Stock No. 812-7872
Mfr. Part No.AKW5111
BrandPanasonic
TWD16,334.00
Each
units
- - LCD 6 1, 3 Yes 48mm - 0.01 % -10°C +50°C - - -
RS Stock No. 180-9621
Mfr. Part No.7KT1223
BrandSiemens
TWD97,953.00
Each
units
- - - - - - - - ±2 % - - CE 5 A, 50 Hz, 400 V -
RS Stock No. 913-9680
Mfr. Part No.A9MEM2155
TWD11,647.00
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, 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. 124-2456
Mfr. Part No.P01331035
TWD10,449.00
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 → 99999999kWh
RS Stock No. 897-6778
Mfr. Part No.0 046 77
BrandLegrand
TWD13,530.00
Each
units
- - LCD 7 1 - 65.5mm - - -10°C +45°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.9kWh
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. 124-2440
Mfr. Part No.P01330753
TWD4,516.00
Each
units
- - LCD 3 1 Yes 63mm - - -25°C +55°C EN 50470-1-3, IEC 62053-21, MID - -
RS Stock No. 789-4118
Mfr. Part No.2CMA100178R1000
BrandABB
TWD8,732.00
Each
units
- - LCD 7 3 Yes 65mm - 1 % -40°C - - - -
RS Stock No. 913-9665
Mfr. Part No.A9MEM2010
TWD4,902.00
Each
units
- - Electromechanical - 1 Yes 67mm - ±20 V -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. 789-4102
Mfr. Part No.2CMA170531R1000
BrandABB
TWD19,812.00
Each
units
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS Stock No. 144-0528
BrandRS PRO
TWD2,306.00
Each
units
119mm 17.5mm Backlit 7 1 Yes 62mm - - -20°C +50°C - - Maximum of 1000IMPkWh