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. 897-6823
Mfr. Part No.0 046 79
BrandLegrand
TWD15,228.00
Each
units
- - LCD 7 1 - - - - -10°C +45°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.9kWh
RS Stock No. 184-9449
Mfr. Part No.48250401
BrandSocomec
TWD12,248.00
Each
units
- - Backlit LCD - 1, 3 Yes 64mm - Class 0.5 S (IEC 62053-22), Class 2 (IEC 62053-23), 0.1 (Frequency) %, 0.2 (Current) %, 0.2 (Voltage) %, 0.5 (Power Factor) %, 0.5 (Power) % -10°C +55°C - 11 (Current) kA, 65 (Frequency) Hz, 289 (Voltage Between Phase and Neutral) V ac, 500 (Voltage Between Phases) V ac 0 → 11 (Current) kA, 28 → 289 (Voltage Between Phase and Neutral) V ac, 45 → 65 (Frequency) Hz, 50 → 500 (Voltage Between Phases) V ac
RS Stock No. 897-6839
Mfr. Part No.0 046 83
BrandLegrand
TWD15,090.00
Each
units
- - LCD 8 3 - - - - -5°C +55°C IEC 61010-1, IEC 62053-21, IEC 62053-23 - Maximum of 99999.99kWh
RS Stock No. 841-7746
Mfr. Part No.A9MEM3300
TWD15,405.00
Each
units
- - LCD 10 - Yes 69.3mm - - -25°C - - - -
RS Stock No. 172-3024
Mfr. Part No.48290200
BrandSocomec
TWD5,724.00
Each
units
- - LCD - 3 - 45mm - - -20°C +70°C EN 50160, IEC 61557-12, ISO 14025, UL - -
RS Stock No. 823-3592
Mfr. Part No.ACM20-4-AC1-R-C
TWD1,994.00
Each
units
22.1mm 36.22mm LED 4 1 - 23.11mm 9.14 mm ±3 (Power Factor) % 0°C +60°C - - -
RS Stock No. 177-1033
Mfr. Part No.7KT1543
BrandSiemens
TWD36,423.00
Each
units
- - LC Display 8 3 Yes 70mm - - - - - - -
RS Stock No. 820-3042
Mfr. Part No.2CSG299903R4052
BrandABB
TWD14,715.00
Each
units
- - LCD 4 1, 3 Yes 57mm - ±0.5 % -5°C - - - -
RS Stock No. 810-3289
Mfr. Part No.ACM20-5-AC1-R-F-C
TWD1,994.00
Each
units
22.1mm 36.22mm LED 4 1 - 23.11mm 9.14 mm ±1 % 0°C +60°C - - -
RS Stock No. 913-9665
Mfr. Part No.A9MEM2010
TWD4,924.00
Each
units
- - Electromechanical - 1 Yes 67mm - ±20 V -20°C - - - -
RS Stock No. 789-4133
Mfr. Part No.2CMA170545R1000
BrandABB
TWD23,152.00
Each
units
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
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. 184-9455
Mfr. Part No.48250501
BrandSocomec
TWD28,440.00
Each
units
- - - - 1, 3 Yes 85mm - Class 0.02, Class 0.2, Class 0.5, Class 1, Class 2 - - - 65 (Frequency) Hz, 300 (Voltage Between Phase and Neutral) V ac, 520 (Voltage Between Phases) V ac 45 → 65 (Frequency) Hz, 50 → 300 (Voltage Between Phase and Neutral) V ac, 87 → 520 (Voltage Between Phases) V ac
RS Stock No. 122-0564
Mfr. Part No.48530001
BrandSocomec
TWD19,037.00
Each
units
- - LCD - - - 67mm - 0.5 % -10°C +55°C - 300 V dc, 400 V ac 110 → 400 V ac, 120 → 300 V dc
RS Stock No. 913-9753
Mfr. Part No.METSEPM5340
TWD37,551.00
Each
units
- - LCD - 3 - 72mm - ±0.005 (Power Factor) %, ±0.05 (Frequency) %, ±0.5 (Active Energy) %, ±0.5 (Active Power) %, ±0.5 (Apparent Power) %, ±0.5 (Current) %, ±0.5 (Voltage) %, ±2 (Reactive Energy) % -25°C +70°C CE Conforming to IEC 61010-1c, CULus Conforming to UL 61010-1, EN 50470-1, EN 50470-3, IEC 60529, IEC 61557-12, IEC 62053-22, IEC 62053-24 9 A, 65 Hz, 400 (Phase and Neutral) V ac, 690 (Phase) V ac 10 mA → 9 A, 20 → 400 (Phase and Neutral) V ac, 35 → 690 (Phase) V ac, 45 → 65 Hz
RS Stock No. 723-2235
Mfr. Part No.7KM4212-0BA00-3AA0
BrandSiemens
TWD33,372.00
Each
units
92mm 92mm LCD - - Yes 82mm 54 mm Class 2 -10°C - - - -
RS Stock No. 913-9700
Mfr. Part No.A9MEM3335
TWD17,619.00
Each
units
- - LCD 9 3 Yes 69.3mm - - -25°C +55°C CE, CULus, EN 50470-3, IEC 60529, IEC 61010, IEC 61036, IEC 61557-12, IEC 62053-21, IEC 62053-23, MID Conforming to EN 50470-1, MID Conforming to EN 50470-3, UL 61010-1 125 A, 99999999.9 kWh 0 → 99999999.9 kWh, Maximum of 125 A
RS Stock No. 144-0525
BrandRS PRO
TWD2,191.00
Each
units
- - LCD 4 1 Yes 62mm - Class 1 -20°C +50°C - - -
RS Stock No. 841-7787
Mfr. Part No.METSEPM5563
TWD38,220.00
Each
units
92mm 92mm LCD - 3 Yes 90mm - ±0.2 % -25°C - - - -
RS Stock No. 187-9916
Mfr. Part No.48503051
BrandSocomec
TWD9,245.00
Each
units
- - LCD 8 3 Yes 64mm - - -25°C +55°C - - 230 → 240V