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. 776-3017
Mfr. Part No.A9MEM3215
TWD13,508.00
Each
units
- - LCD 10 1, 3 - 69mm - - -20°C - - - -
RS Stock No. 897-6810
Mfr. Part No.0 046 84
BrandLegrand
TWD15,778.00
Each
units
- - LCD 8 3 Yes 65.5mm - - -5°C +55°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.99kWh
RS Stock No. 797-5459
Mfr. Part No.1506603
TWD1,082.00
Each
units
- - LCD - 1 - - - ±1 % -10°C - - - -
RS Stock No. 191-4382
Mfr. Part No.2908301
TWD22,610.00
Each
units
- - LCD - 2, 3 - 75mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS Stock No. 776-3010
Mfr. Part No.A9MEM3250
TWD23,787.00
Each
units
- - LCD 10 1, 3 - 69mm - - -20°C - - - -
RS Stock No. 834-7556
Mfr. Part No.7KM2112-0BA00-2AA0
BrandSiemens
TWD15,340.00
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. 124-2444
Mfr. Part No.P01331010
TWD6,079.00
Each
units
- - LCD 8 1 Yes 65mm - - -25°C +55°C IEC - 0 → 9999999.9kWh
RS Stock No. 849-6305
Mfr. Part No.05.25.0004.1
BrandGrasslin
TWD5,136.00
Each
units
- - LCD 7 3 Yes 65mm - - -25°C - - - -
RS Stock No. 174-4214
Mfr. Part No.P01330745
TWD4,045.00
Each
units
- - LCD 8 3 Yes 65mm - Class 1 -25°C +65°C - - 0 → 999999.99kWh
RS Stock No. 180-9614
Mfr. Part No.7KM2200-2EA40-1GA1
BrandSiemens
TWD6,939.00
Each
units
- - LCD - 3 - 64mm - - - - - 1 MΩ, 65 A, 65 Hz, 400 V ac 46 → 400V ac
RS Stock No. 180-9632
Mfr. Part No.7KT1654
BrandSiemens
TWD4,057.00
Each
units
- - LCD - 1 - 63mm - - -25°C +55°C - 65 A, 66 Hz, 264 V ac 187 → 264V ac
RS Stock No. 913-9706
Mfr. Part No.A9MEM3275
TWD15,588.00
Each
units
- - LCD 8 3 - 69mm - - -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 63 A, 99999999 MWh 0 → 99999999 MWh, Maximum of 63 A
RS Stock No. 897-6784
Mfr. Part No.0 046 86
BrandLegrand
TWD12,498.00
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. 913-9661
Mfr. Part No.A9MEM2000
TWD4,542.00
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. 192-5279
Mfr. Part No.48503058
BrandSocomec
TWD2,423.00
Each
units
- - LCD 7 1 - 64mm - Class 1 (IEC 62053-21), Class 2 (IEC 62053-22), Class B (EN 50470) -25°C +55°C - 40 A, 276 V ac 0.25 To 40 A (Current), 184 To 276 V Ac (Voltage)
RS Stock No. 124-2453
Mfr. Part No.P01331040
TWD16,952.00
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. 182-5719
Mfr. Part No.48250406
BrandSocomec
TWD33,321.00
Each
units
96mm 96mm Backlit LCD - 3 Yes 95mm - Class 0.5 S (IEC 62053-22), Class 2 (IEC 62053-23), ±1 % -10°C +55°C - 11 (Current) kA, 65 (Frequency) Hz, 500 (Voltage) V ac 0 → 11 (Current) kA, 45 → 65 (Frequency) Hz, 50 → 500 (Voltage) V ac
RS Stock No. 914-5351
Mfr. Part No.C-TRAN-160A
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. 183-4278
Mfr. Part No.DMED332MID
BrandLovato
TWD7,947.00
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. 183-4274
Mfr. Part No.DMED301MID
BrandLovato
TWD7,516.00
Each
units
- - LCD 6 + 1 3 - 58mm - Class B -25°C +55°C - - 85 → 264V