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 Communication Port Type Number of Inputs Number of Outputs Pulse Output Depth Digit Height Meter Accuracy Minimum Temperature Maximum Temperature
RS Stock No. 665-4928
Mfr. Part No.7KM2112-0BA00-3AA0
BrandSiemens
kr 3 888,30
Each
Units
92mm 92mm LCD - - - - - - 56mm 54 mm Class 2 - -
RS Stock No. 834-7565
Mfr. Part No.7KM4211-1BA00-3AA0
BrandSiemens
kr 9 002,91
Each
Units
92mm 92mm Graphical, LCD, Monochrome - - - - - Yes 82mm - ±0.2 (Current) %, ±0.2 (Voltage) %, ±0.5 (Output) %, ±2 (Output Factor) %, ±2 (THD) % -10°C -
RS Stock No. 834-7587
Mfr. Part No.7KM9900-0SA00-0AA0
BrandSiemens
kr 404,78
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 834-7552
Mfr. Part No.7KM2111-1BA00-3AA0
BrandSiemens
kr 3 888,30
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. 180-9620
Mfr. Part No.7KT1222
BrandSiemens
kr 14 599,93
Each
Units
- - - - - - - - - - - ±2 % - -
RS Stock No. 123-9473
Mfr. Part No.7KM5412-6BA00-1EA2
BrandSiemens
kr 17 447,50
Each
Units
94mm 94mm LCD - - - - - Yes 10.8mm - ±0.2 % -25°C +55°C
RS Stock No. 180-9647
Mfr. Part No.7KT1681
BrandSiemens
kr 1 389,51
Each
Units
- - LCD - 3 - - - - 63mm - - -20°C +60°C
RS Stock No. 123-9474
Mfr. Part No.7KM5412-6CA00-1EA8
BrandSiemens
kr 14 132,97
Each
Units
- - - - - - - - Yes - - ±0.2 % -25°C +55°C
RS Stock No. 171-7872
Mfr. Part No.7KM2200-2EA30-1DA1
BrandSiemens
kr 1 834,48
Each
Units
90mm 107.8mm LCD - 3 - - - - 71.4mm - - - -
RS Stock No. 723-2232
Mfr. Part No.7KM3133-0BA00-3AA0
BrandSiemens
kr 2 332,98
Each
Units
92mm 92mm LCD - - - - - Yes 51mm 54 mm Class 1 -10°C -
RS Stock No. 180-9613
Mfr. Part No.7KM2200-2EA30-1JA1
BrandSiemens
kr 2 173,46
Each
Units
- - LCD - 3 - - - - 64mm - - - -
RS Stock No. 834-7568
Mfr. Part No.7KM4211-1BB00-3AA0
BrandSiemens
kr 9 292,04
Each
Units
92mm 92mm Graphical, LCD, Monochrome - - - - - Yes 82mm - ±0.2 (Current) %, ±0.2 (Voltage) %, ±0.5 (Output) %, ±2 (Output Factor) %, ±2 (THD) % -10°C -
RS Stock No. 180-9632
Mfr. Part No.7KT1654
BrandSiemens
kr 1 147,85
Each
Units
- - LCD - 1 - - - - 63mm - - -25°C +55°C
RS Stock No. 171-7874
Mfr. Part No.7KM2200-2EA40-1CA1
BrandSiemens
kr 1 794,60
Each
Units
90mm 107.8mm LCD - 3 - - - - 71.4mm - - - -
RS Stock No. 180-9630
Mfr. Part No.7KT1652
BrandSiemens
kr 1 147,85
Each
Units
- - LCD - 1 - - - - 63mm - - -25°C +55°C
RS Stock No. 180-9621
Mfr. Part No.7KT1223
BrandSiemens
kr 17 217,85
Each
Units
- - - - - - - - - - - ±2 % - -
RS Stock No. 123-9478
Mfr. Part No.7KT1548
BrandSiemens
kr 4 047,82
Each
Units
- - LCD 8 3 - - - Yes - - - - -
RS Stock No. 723-2235
Mfr. Part No.7KM4212-0BA00-3AA0
BrandSiemens
kr 8 624,05
Each
Units
92mm 92mm LCD - - - - - Yes 82mm 54 mm Class 2 -10°C -
RS Stock No. 180-9635
Mfr. Part No.7KT1661
BrandSiemens
kr 1 445,65
Each
Units
- - LCD - 3 - - - - 63mm - - -25°C +55°C
RS Stock No. 180-9646
Mfr. Part No.7KT1673
BrandSiemens
kr 1 701,65
Each
Units
- - LCD - 3 - - - Yes 63mm - - -25°C +55°C