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. 819-9776
Mfr. Part No.E2C-CT
BrandEfergy
R 1,510.81
Each
units
- - LCD 3 - - - - >90 % - - - - 50mA - 90A
RS stock no. 772-1549
Mfr. Part No.A9MEM3100
R 4,662.28
Each
units
95mm 90mm LCD 10 3 - 69mm - - -25°C - - - -
RS stock no. 665-4928
Mfr. Part No.7KM2112-0BA00-3AA0
BrandSiemens
R 12,900.00
Each
units
92mm 92mm LCD - - - 56mm 54 mm Class 2 - - - - -
RS stock no. 789-4149
Mfr. Part No.2CSG299883R4052
BrandABB
R 5,940.38
Each
units
- - LCD - 3 Yes 77mm - ±0.5 % -5°C - - - -
RS stock no. 871-8314
BrandRS PRO
R 2,280.20
Each
units
96mm 96mm LCD 4 3 Yes 55mm - 1 % -25°C +55°C EN 61000-6-1: 2007 (LVD), EN 61010-1: 2010 (EMC), UK Laboratory EN 61000-6-3: 2007 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVarh 0 9999999.9 (Active) kWh, 0 9999999.9 (Reactive) kVArh
RS stock no. 797-5459
Mfr. Part No.1506603
R 470.05
Each
units
- - LCD - 1 - - - ±1 % -10°C - - - -
RS stock no. 871-8302
BrandRS PRO
R 829.49
Each
units
119mm 17.5mm LCD 6 1 Yes 62mm - 1 % -25°C +55°C CE, RoHS Compliant 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVarh 0 99999.99kWh
RS stock no. 841-7756
Mfr. Part No.METSEPM3250
R 4,653.71
Each
units
- - LCD - 1, 3 Yes 70mm - 0.3 %, 0.5 % -25°C - - - -
RS stock no. 797-5456
Mfr. Part No.1506600
R 470.68
Each
units
- - LCD - 1 - - - ±1 % -10°C - - - -
RS stock no. 819-9773
Mfr. Part No.ELC-CT
BrandEfergy
R 1,013.23
Each
units
- - LCD 4 - - - - - - - - - 50mA - 90A
RS stock no. 819-9789
Mfr. Part No.Engage Hub Classic Kit
BrandEfergy
R 1,366.09
Each
units
- - - - - - - - - - - CSA, FCC, UL - 50mA - 90A
RS stock no. 810-3286
Mfr. Part No.ACM20-5-AC1-R-C
R 1,038.32
Each
units
22.1mm 36.22mm LED 4 1 - 23.11mm 9.14 mm ±1 % 0°C +60°C - - -
RS stock no. 833-2695
Mfr. Part No.DMG600
BrandLovato
R 2,413.48
Each
units
92mm 92mm LCD - 1, 2, 3 - 65mm - ±1 % -20°C +60°C - - -
RS stock no. 871-8291
BrandRS PRO
R 947.09
Each
units
90mm 35mm LCD 7 1 Yes 62mm - 1 % -25°C +55°C CE, MID, RoHS Compliant 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVarh 0 9999999.9 (Active) kWh, 0 9999999.9 (Reactive) kVArh
RS stock no. 841-7768
Mfr. Part No.METSEPM5111
R 5,422.90
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS stock no. 841-7762
Mfr. Part No.METSEPM5310
R 7,220.11
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -
RS stock no. 878-7452
Mfr. Part No.2CSG299943R4052
BrandABB
R 4,468.85
Each
units
96mm 96mm LCD 12 - - 57mm - - -5°C +55°C CE Certified, RoHS Compliant 5 A, 500 Hz, 500 V 10 500 V, 40 500 Hz, 50 mA 5 A
RS stock no. 878-7455
Mfr. Part No.2CSG296992R4052
BrandABB
R 5,423.94
Each
units
96mm 96mm LCD 12 - - 57mm - - -5°C +55°C CE Certified, RoHS Compliant 5 A, 500 Hz, 500 V 10 500 V, 40 500 Hz, 50 mA 5 A
RS stock no. 820-3042
Mfr. Part No.2CSG299903R4052
BrandABB
R 8,150.14
Each
units
- - LCD 4 1, 3 Yes 57mm - ±0.5 % -5°C - - - -
RS stock no. 841-7774
Mfr. Part No.METSEPM5320
R 7,797.12
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.5 % -25°C - - - -