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. 180-9633
Mfr. Part No.7KT1655
BrandSiemens
TWD3,054.00
Each
units
- - LCD - 1 Yes 63mm - - -25°C +55°C CE 65 A, 66 Hz, 264 V ac 187 → 264V ac
RS Stock No. 177-1032
Mfr. Part No.7KT1540
BrandSiemens
TWD34,383.00
Each
units
- - LC Display 8 3 Yes 70mm - - - - - - -
RS Stock No. 175-0482
Mfr. Part No.2908590
TWD11,486.00
Each
units
- - Digital 8 3 Yes - - - -25°C +55°C - 288 V, 500 V 184 → 288 V, 320 → 500 V
RS Stock No. 124-2447
Mfr. Part No.P01331018
TWD8,372.00
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. 180-9630
Mfr. Part No.7KT1652
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. 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. 913-9687
Mfr. Part No.A9MEM3155
TWD11,737.00
Each
units
- - LCD 10 1, 3 Yes 69mm - - -20°C - - - -
RS Stock No. 171-7871
Mfr. Part No.7KM2200-2EA30-1CA1
BrandSiemens
TWD7,404.00
Each
units
90mm 107.8mm LCD - 3 - 71.4mm - - - - CE Certified, IEC 61557-12, IEC 62053-22, IEC 62053-23 1 MΩ, 5 A, 65 Hz, 400 V ac -
RS Stock No. 776-3017
Mfr. Part No.A9MEM3215
TWD13,508.00
Each
units
- - LCD 10 1, 3 - 69mm - - -20°C - - - -
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. 905-3422
Mfr. Part No.DME D120 T1 MID
BrandLovato
TWD3,793.00
Each
units
- - LCD 6 1 Yes 63mm - - -25°C +55°C EN 50470-1, EN 50470-3, EN Protection Degree, MID Class B - 184 → 264V ac
RS Stock No. 122-0540
Mfr. Part No.48290113
BrandSocomec
TWD17,706.00
Each
units
90mm 36mm - - 3 - 65mm - 2 → 120 % -10°C +55°C - - -
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. 191-4381
Mfr. Part No.2908286
TWD12,160.00
Each
units
- - LCD - 2, 3 - 58mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS Stock No. 833-2709
Mfr. Part No.DMG610
BrandLovato
TWD7,616.00
Each
units
92mm 92mm LCD - 1, 2, 3 - 65mm - ±1 % -20°C +60°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. 124-2439
Mfr. Part No.P01330752
TWD3,783.00
Each
units
- - LCD 3 1 Yes 63mm - - -25°C +55°C IEC, IEC 62053-21 - -
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. 841-7771
Mfr. Part No.METSEPM5331
TWD22,669.00
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS Stock No. 180-9612
Mfr. Part No.7KM2200-2EA30-1HA1
BrandSiemens
TWD7,160.00
Each
units
- - LCD - 3 - 64mm - - - - - 1 MΩ, 5 A, 65 Hz, 400 V ac 46 → 400V ac