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. 871-8291
BrandRS PRO
$120.48
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. 871-8302
BrandRS PRO
$83.94
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. 871-8305
BrandRS PRO
$313.06
Each
units
92mm 92mm LCD 4 3 Yes 65mm - 1 % -25°C +55°C CE, MID, RoHS Compliant 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVArh 0 → 9999999.9 (Active)kWh
RS Stock No. 871-8308
BrandRS PRO
$303.98
Each
units
92mm 92mm LCD 4 3 Yes 65mm - 1 % -25°C +55°C MID B+D Certified 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVArh 0 → 9999999.9 (Active)kWh
RS Stock No. 871-8314
BrandRS PRO
$210.39
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. 871-8311
BrandRS PRO
$26.73
Each
units
96mm 96mm - - - - 63mm - - - - CE, RoHS Compliant - -
RS Stock No. 144-0528
BrandRS PRO
$77.47
Each
units
119mm 17.5mm Backlit 7 1 Yes 62mm - - -20°C +50°C - - Maximum of 1000IMPkWh
RS Stock No. 144-0529
BrandRS PRO
$103.51
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. 144-0524
BrandRS PRO
$98.12
Each
units
- - LCD 4 1 Yes 62mm - Class 1 -20°C +50°C - - -
RS Stock No. 144-0530
BrandRS PRO
$92.96
Each
units
119mm 17.5mm Analogue Display 6 1 Yes 62mm - ±1 % -20°C +50°C - - Maximum of 1000IMPkWh
RS Stock No. 144-0525
BrandRS PRO
$109.03
Each
units
- - LCD 4 1 Yes 62mm - Class 1 -20°C +50°C - - -
RS Stock No. 179-7579
BrandRS PRO
$644.66
Each
units
90mm 90mm LED 4 (Instantaneous), 6 (Integrated) 3 - 55mm 10 mm Class 1.0 -10°C +55°C - - -
RS Stock No. 144-0527
BrandRS PRO
$431.97
Each
units
96mm 96mm Backlit 12 3 Yes - - - - - - - -
RS Stock No. 144-0523
BrandRS PRO
$109.03
Each
units
- - LCD 4 1 Yes 62mm - Class 1 -20°C +50°C - - -
RS Stock No. 179-7574
BrandRS PRO
$148.77
Each
units
90mm 90mm Digital 4 3 - 55mm 10 mm Class 1.0 - - - - -
RS Stock No. 179-7578
BrandRS PRO
$231.43
Each
units
90mm 90mm LED 4 (Instantaneous), 6 (Integrated) 3 - 55mm 10 mm Class 1.0 - - - - 50 mA - 6 A
RS Stock No. 179-7577
BrandRS PRO
$462.83
Each
units
90mm 90mm LED 4 (Instantaneous), 6 (Integrated) 3 - 55mm 10 mm Class 1.0 -10°C +55°C - - 50 mA - 6 A
RS Stock No. 144-0531
BrandRS PRO
$339.32
Each
units
100mm 72mm Backlit 7 3 Yes 66mm - ±1 % -20°C +50°C - - Maximum of 1000IMPkWh
RS Stock No. 144-0533
BrandRS PRO
$82.63
Each
units
- - LCD 7 1 Yes 63mm - Class 1 -20°C +50°C - - -
RS Stock No. 179-7573
BrandRS PRO
$165.30
Each
units
90mm 90mm Digital 4 3 - 55mm 10 mm Class 1.0 - - - - -
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