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. 189-2321
Mfr. Part No.2907983
TWD14,548.00
Each
units
- - LCD - 3 - 64mm - Class 0.5 s, Class 2 -10°C +55°C - - 1 → 20000A
RS Stock No. 174-3463
Mfr. Part No.2908586
TWD7,973.00
Each
units
- - - - 3 - - - - -25°C +55°C - 0.5 W, 80 A, 500 V 184 → 500V
RS Stock No. 174-9868
Mfr. Part No.2CMA103574R1000
BrandABB
TWD4,949.00
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. 914-6748
Mfr. Part No.B23 113-100
BrandABB
TWD7,226.00
Each
units
- - LCD 7 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 - 220 → 240V ac
RS Stock No. 789-4142
Mfr. Part No.2CSG299893R4052
BrandABB
TWD16,606.00
Each
units
- - LCD - 1 Yes 77mm - ±0.5 % -5°C - - - -
RS Stock No. 789-4105
Mfr. Part No.2CMA100166R1000
BrandABB
TWD9,460.00
Each
units
- - LCD 7 3 Yes 65mm - 1 % -40°C - - - -
RS Stock No. 144-0531
BrandRS PRO
TWD6,802.00
Each
units
100mm 72mm Backlit 7 3 Yes 66mm - ±1 % -20°C +50°C - - Maximum of 1000IMPkWh
RS Stock No. 144-0529
BrandRS PRO
TWD2,076.00
Each
units
99mm 36mm Backlit 4 1 Yes 63mm - ±1 % -25°C +55°C - 99999.99 (Active) kWh, 99999.99 (Reactive) kVArh 0 → 99999.99 (Active) kWh, 0 → 99999.99 (Reactive) kVArh
RS Stock No. 124-2449
Mfr. Part No.P01331036
TWD9,170.00
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. 613-7401
Mfr. Part No.7E1382300010R
BrandFinder
TWD2,746.00
Each
units
92.1mm 17.5mm Mechanical 7 1 Yes 58mm 4 mm Class 1 -10°C +55°C - - -
RS Stock No. 144-0525
BrandRS PRO
TWD2,191.00
Each
units
- - LCD 4 1 Yes 62mm - Class 1 -20°C +50°C - - -
RS Stock No. 801-6334
Mfr. Part No.2901362
TWD9,459.00
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. 179-7579
BrandRS PRO
TWD15,213.00
Each
units
90mm 90mm LED 4 (Instantaneous), 6 (Integrated) 3 - 55mm 10 mm Class 1.0 -10°C +55°C - - -
RS Stock No. 709-9684
Mfr. Part No.4825 0206
BrandSocomec
TWD5,829.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 123-9475
Mfr. Part No.7KT1533
BrandSiemens
TWD25,836.00
Each
units
- - LCD 7 1 Yes - - - - - CE Certified, EAC Approval, EIB/KNX Approval, EMC Approval, IMQ Approval - -
New
RS Stock No. 194-6349
Mfr. Part No.A9MEM2105
TWD5,146.00
Each
units
- - LCD 5 1 Yes - - - - - - - -
RS Stock No. 178-5370
BrandRS PRO
TWD980.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 776-2988
Mfr. Part No.A9MEM2000T
TWD8,462.00
Each
units
- - No Display - 1 Yes 67mm - ±20 V -20°C - - - -
RS Stock No. 183-4273
Mfr. Part No.DMED300T2MID
BrandLovato
TWD6,422.00
Each
units
- - LCD 6 + 1 3 Yes 58mm - Class B -25°C +55°C - - 85 → 264V
RS Stock No. 122-0539
Mfr. Part No.48290112
BrandSocomec
TWD12,673.00
Each
units
90mm 36mm - - 3 - 65mm - 2 → 120 % -10°C +55°C - - -