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. 124-5190
Mfr. Part No.ND20LITE-22100U0
MYR970.07
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, 120 (Voltage L-L V @ 100 V), 276 (Voltage L-N V @ 230 V), 480 (Voltage L-L V @ 400 V), 6 (Current A @ 5 A), 63 (Frequency) Hz, 70 (Voltage L-N V @ 57.7 V) 0.002 → 1.2 (Current A @ 1 A), 0.010 → 6 (Current A @ 5 A), 1.4 VA → 1.65 kVA (Apparent Power), -1.65 → 1.65 (Active Power) kW, -1.65 → 1.65 (Reactive Power) kVA, 11.5 → 276 (Voltage L-N V @ 230 V), 2.8 → 70 (Voltage L-N V @ 57.7 V), 20 → 480 (Voltage L-L V @ 400 V), 47 → 63 (Frequency) Hz, 5 → 120 (Voltage L-L V @ 100 V)
RS Stock No. 123-6803
Mfr. Part No.ND10 - 22100U0
MYR1,005.99
Each
units
92mm 92mm LCD - - - 7.7mm - - -20°C +70°C CE Certified, EN 61000-6-2, EN 61000-6-4, EN 61010-1 1, 1.2, 1.52 kVA, 1.52 kvar, 1.52 kW, 6 A, 63 Hz, 100 %, 180 °, 253 V ac, 440 V ac 0 → 100 %, 0.025 → 6 A, -1 → 1, 1 VA → 1.52 kVA, -1.2 → 1.2, -1.52 kvar → 1.52 kvar, -1.52 kW → 1.52 kW, -180 → +180 °, 195 → 253 V ac, 340 → 440 V ac, 47 → 63 Hz
RS Stock No. 886-1752
Mfr. Part No.AP70-38F75HRDI0000
MYR2,150.98
Each
units
92mm 92mm LCD 14 - - 80mm - - -20°C +70°C ASTA, CE, CSA, UL 300 V (Aux), 5 A (Current), 500 V (Voltage) 1 → 5 A (Current), 100 → 500 V (Voltage), 60 → 300 V (Aux)
RS Stock No. 123-6806
Mfr. Part No.ND30 - 12200U0
MYR2,956.94
Each
units
- - LCD TFT - - - 7.7mm - - -10°C +55°C CE Certified, EN 61000-6-2, EN 61000-6-4, EN 61010-1 1, 20 kA, 65 Hz, 1999.9 MVA, 1999.9 MVAh, 1999.9 MVar, 1999.9 MVarh, 1999.9 MVh, 1999.9 MW 0.01 A → 20 kA, -1 → 1, 1999.9 VA → 1999.9 MVA, 1999.9 VAh → 1999.9 MVAh, 1999.9 Var → 1999.9 Mvar, 1999.9 Varh → 1999.9 Mvarh, 1999.9 Vh → 1999.9 Mvh, 1999.9 W → 1999.9 MW, 45 → 65 Hz, 5.7 V → 830 kV
RS Stock No. 123-6805
Mfr. Part No.N43-12100U0
MYR1,221.55
Each
units
- - LCD - - - 60mm - - -10°C +55°C EN 61000-6-2, EN 61000-6-4, EN 61010-1 1, 6 kA, 63 Hz, 999 kVA, 999 kVar, 999 kW, 999 MVA, 999 MVar, 999 MW, 999 VA, 999 Var, 999 W, 999999.9 kVArh, 999999.9 KWh, 999999.9 MWh 0 → 999 kVA, 0 → 999 kVar, 0 → 999 kW, 0 → 999 MVA, 0 → 999 MVar, 0 → 999 MW, 0 → 999 VA, 0 → 999 Var, 0 → 999 W, 0 → 999999.9 kVArh, 0 → 999999.9 KWh, 0 → 999999.9 MVArh, 0 → 999999.9 MWh, 0.1 A → 6 kA, -1 → 1, 10 V → 120 kV, 47 → 63 Hz