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. 841-7740
Mfr. Part No.A9MEM3310
TWD16,368.00
Each
units
- - LCD 10 - Yes 69.3mm - - -25°C - - - -
RS Stock No. 913-9693
Mfr. Part No.A9MEM3235
TWD13,940.00
Each
units
- - LCD 8 3 Yes 69mm - - -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 63 A, 99999999 MWh 0 → 99999999 MWh, Maximum of 63 A
RS Stock No. 174-3464
Mfr. Part No.2908578
TWD7,309.00
Each
units
- - - - 3 - - - - -25°C +55°C - 1 W, 5 A, 500 V 184 → 500V
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. 913-9683
Mfr. Part No.A9MEM3135
TWD12,411.00
Each
units
- - LCD 9 3 Yes 69mm - - -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 63 A, 99999999.9 kWh 0 → 99999999.9 kWh, Maximum of 63 A
RS Stock No. 789-4149
Mfr. Part No.2CSG299883R4052
BrandABB
TWD13,984.00
Each
units
- - LCD - 3 Yes 77mm - ±0.5 % -5°C - - - -
RS Stock No. 914-6745
Mfr. Part No.B23 112-100
BrandABB
TWD9,117.00
Each
units
- - LCD 7 3 Yes 65mm - Class 1 % -40°C +70°C EN 50470-1, EN 50470-3, EN 55022, GB 4208-2008, GB/T 17215.211-2006, GB/T 17215.321-2008 Class 1 & 2, GB/T 17215.322-2008 Class 0 & 5 S, IEC 6, IEC 60060-1, IEC 60529, IEC 60695-2-1, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 62052-11 - 220 → 240V ac
RS Stock No. 177-1033
Mfr. Part No.7KT1543
BrandSiemens
TWD36,423.00
Each
units
- - LC Display 8 3 Yes 70mm - - - - - - -
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. 183-4276
Mfr. Part No.DMED305T2MID
BrandLovato
TWD8,108.00
Each
units
- - LCD - 3 Yes 58mm - Class B -25°C +55°C - 264 (L-N) V, 456 (L-L) V 187 → 264 (L-N) V, 323 → 456 (L-L) V
RS Stock No. 124-2455
Mfr. Part No.P01331019
TWD9,900.00
Each
units
- - LCD 8 3 Yes 65mm - - -25°C +55°C MID - 0 → 9999999.9kWh
RS Stock No. 124-2450
Mfr. Part No.P01331042
TWD8,684.00
Each
units
- - LCD 8 3 Yes 65mm - - -25°C +55°C EIA RS485, EN 50470-3, IEC, IEC 13757-1-2-3, IEC 62053-21, IEC 62053-23 - 0 → 9999999.9kWh
RS Stock No. 122-0537
Mfr. Part No.48290110
BrandSocomec
TWD7,610.00
Each
units
90mm 18mm - - 3 - 65mm - 2 → 120 % -10°C +55°C - - -
RS Stock No. 613-7417
Mfr. Part No.7E1682300010R
BrandFinder
TWD3,720.00
Each
units
89mm 35mm Mechanical 7 1 Yes 56mm 4 mm Class 1 -10°C +55°C - - -
RS Stock No. 182-9942
Mfr. Part No.7E.64.8.230.0310
BrandFinder
TWD1,973.00
Each
units
18mm 44.7mm LCD 7 1 Yes 63.9mm 4 mm Class B -25°C +55°C - - -
RS Stock No. 124-5190
Mfr. Part No.ND20LITE-22100U0
TWD6,471.00
Each
units
92.5mm 92.5mm LCD 16 - - 7.7mm - - -25°C +55°C CE, EN 61000-6-2, EN 61000-6-4, EN 61010-1 1.2 (Current A @ 1 A), 1.65 (Active Power) kW, 1.65 (Apparent Power) kVA, 1.65 (Reactive Power) kVA, 6 (Current A @ 5 A), 63 (Frequency) Hz, 70 (Voltage L-N V @ 57.7 V), 120 (Voltage L-L V @ 100 V), 276 (Voltage L-N V @ 230 V), 480 (Voltage L-L V @ 400 V) -1.65 → 1.65 (Active Power) kW, -1.65 → 1.65 (Reactive Power) kVA, 0.002 → 1.2 (Current A @ 1 A), 0.010 → 6 (Current A @ 5 A), 1.4 VA → 1.65 kVA (Apparent Power), 2.8 → 70 (Voltage L-N V @ 57.7 V), 5 → 120 (Voltage L-L V @ 100 V), 11.5 → 276 (Voltage L-N V @ 230 V), 20 → 480 (Voltage L-L V @ 400 V), 47 → 63 (Frequency) Hz
RS Stock No. 905-3422
Mfr. Part No.DME D120 T1 MID
BrandLovato
TWD3,793.00
Each
units
- - LCD 6 1 Yes 63mm - - -25°C +55°C EN 50470-1, EN 50470-3, EN Protection Degree, MID Class B - 184 → 264V ac
RS Stock No. 834-7552
Mfr. Part No.7KM2111-1BA00-3AA0
BrandSiemens
TWD15,340.00
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. 184-9455
Mfr. Part No.48250501
BrandSocomec
TWD36,801.00
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. 123-9478
Mfr. Part No.7KT1548
BrandSiemens
TWD14,058.00
Each
units
- - LCD 8 3 Yes - - - - - CE Certified, EAC Approval, IMQ Approval - -