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. 834-7587
Mfr. Part No.7KM9900-0SA00-0AA0
BrandSiemens
TWD1,604.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 665-4928
Mfr. Part No.7KM2112-0BA00-3AA0
BrandSiemens
TWD19,543.00
Each
units
92mm 92mm LCD - - - 56mm 54 mm Class 2 - - - - -
RS Stock No. 180-9618
Mfr. Part No.7KM3200-0CA01-1AA0
BrandSiemens
TWD10,464.00
Each
units
- - - - 3 - 64mm - - - - - 1 MΩ, 5 A, 65 Hz, 400 V ac 46 → 400V ac
RS Stock No. 180-9639
Mfr. Part No.7KT1665
BrandSiemens
TWD5,695.00
Each
units
- - LCD - 3 - 63mm - - -25°C +55°C CE 66 Hz, 80 A, 400 V ac 187 → 400V ac
RS Stock No. 180-9622
Mfr. Part No.7KT1260
BrandSiemens
TWD31,707.00
Each
units
- - - - - - 32.7mm - ±1 % - - CE 5 A, 50 Hz, 400 V -
RS Stock No. 723-2232
Mfr. Part No.7KM3133-0BA00-3AA0
BrandSiemens
TWD9,178.00
Each
units
92mm 92mm LCD - - Yes 51mm 54 mm Class 1 -10°C - - - -
RS Stock No. 180-9641
Mfr. Part No.7KT1667
BrandSiemens
TWD5,409.00
Each
units
- - LCD - 3 - 63mm - - -25°C +55°C CE 66 Hz, 80 A, 400 V ac 187 → 400V ac
RS Stock No. 180-9644
Mfr. Part No.7KT1671
BrandSiemens
TWD4,462.00
Each
units
- - LCD - 3 Yes 63mm - - -25°C +55°C - 66 Hz, 80 A, 400 V ac 187 → 400V ac
RS Stock No. 171-7872
Mfr. Part No.7KM2200-2EA30-1DA1
BrandSiemens
TWD7,670.00
Each
units
90mm 107.8mm LCD - 3 - 71.4mm - - - - - 1 MΩ, 5 A, 65 Hz, 400 V ac -
RS Stock No. 180-9616
Mfr. Part No.7KM2200-2EA40-1JA1
BrandSiemens
TWD7,857.00
Each
units
- - LCD - 3 - 64mm - - - - - 1 MΩ, 65 A, 65 Hz, 400 V ac 46 → 400V ac
RS Stock No. 180-9613
Mfr. Part No.7KM2200-2EA30-1JA1
BrandSiemens
TWD9,064.00
Each
units
- - LCD - 3 - 64mm - - - - - 1 MΩ, 5 A, 65 Hz, 400 V ac 46 → 400V ac
RS Stock No. 723-2235
Mfr. Part No.7KM4212-0BA00-3AA0
BrandSiemens
TWD34,981.00
Each
units
92mm 92mm LCD - - Yes 82mm 54 mm Class 2 -10°C - - - -
RS Stock No. 180-9640
Mfr. Part No.7KT1666
BrandSiemens
TWD7,118.00
Each
units
- - LCD - 3 - 63mm - - -25°C +55°C - 66 Hz, 80 A, 400 V ac 187 → 400V ac
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
RS Stock No. 123-9477
Mfr. Part No.7KT1545
BrandSiemens
TWD40,600.00
Each
units
- - LCD 8 3 Yes - - - - - CE Certified, EAC Approval, EMC Approval, IMQ Approval - -
RS Stock No. 834-7562
Mfr. Part No.7KM4212-0BA00-2AA0
BrandSiemens
TWD34,981.00
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. 180-9633
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. 123-9473
Mfr. Part No.7KM5412-6BA00-1EA2
BrandSiemens
TWD71,369.00
Each
units
94mm 94mm LCD - - Yes 10.8mm - ±0.2 % -25°C +55°C CE Certified, EAC Approval, UL - -
RS Stock No. 171-7873
Mfr. Part No.7KM2200-2EA30-1EA1
BrandSiemens
TWD8,468.00
Each
units
90mm 107.8mm LCD - 3 - 71.4mm - - - - - 1 MΩ, 5 A, 65 Hz, 400 V ac -
RS Stock No. 834-7568
Mfr. Part No.7KM4211-1BB00-3AA0
BrandSiemens
TWD34,223.00
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 - - - -