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. 124-9875
Mfr. Part No.M880-DMF-RS-PO
BrandHOBUT
€135.66
Each
units
45.5mm 72mm LCD 16 1, 3 Yes 48.3mm - 0.1 (Frequency) Hz, 0.5 (Volts/Amps) %, 1 (Active Power) %, 1 (Apparent Power) %, 1 (Power Factor) % -20°C +70°C CE, IEC 61000-4-11, IEC 61000-4-2-Level III, IEC 61000-4-3-Level III, IEC 61000-4-4-Level III, IEC 61000-4-5-Level III, IEC 61000-4-6-Level III - -
RS Stock No. 914-5357
Mfr. Part No.C-TRAN-100A
BrandHOBUT
€183.69
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. 914-5351
Mfr. Part No.C-TRAN-160A
BrandHOBUT
€183.69
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. 914-5360
Mfr. Part No.C-TRAN-250A
BrandHOBUT
€183.69
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. 668-4070
Mfr. Part No.RS485-M850
BrandHOBUT
€36.04
Each
units
80mm 25mm - - - - 55mm - - - - - - -
RS Stock No. 914-5281
Mfr. Part No.M850-LTHN-RS-PO
BrandHOBUT
€124.35
Each
units
92mm 92mm LCD 4 3 Yes 80mm - 0.1 (Frequency) %, 0.5 (Volts/Amps) %, 1 (Active Power) %, 1 (Apparent Power) %, 1 (Power Factor) % -20°C +70°C IEC 1036 Class 1, IEC 60947-1, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61010-1 - 28 → 570V