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庫存編號 776-2998
製造零件編號A9MEM3150
HK$3,241.39
單位
- - LCD 10 1, 3 - 69mm - - -20°C - - - -
RS庫存編號 122-0564
製造零件編號48530001
BrandSocomec
HK$4,843.51
單位
- - LCD - - - 67mm - 0.5 % -10°C +55°C - 300 V dc, 400 V ac 110 → 400 V ac, 120 → 300 V dc
RS庫存編號 789-4102
製造零件編號2CMA170531R1000
BrandABB
HK$5,165.96
單位
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS庫存編號 789-4133
製造零件編號2CMA170545R1000
BrandABB
HK$5,890.11
單位
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS庫存編號 184-9449
製造零件編號48250401
BrandSocomec
HK$3,116.12
單位
- - 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庫存編號 144-0530
BrandRS PRO
HK$530.46
單位
119mm 17.5mm Analogue Display 6 1 Yes 62mm - ±1 % -20°C +50°C - - Maximum of 1000IMPkWh
RS庫存編號 849-6305
製造零件編號05.25.0004.1
BrandGrasslin
HK$1,306.67
單位
- - LCD 7 3 Yes 65mm - - -25°C - - - -
RS庫存編號 914-6748
製造零件編號B23 113-100
BrandABB
HK$1,845.89
單位
- - 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庫存編號 179-7572
BrandRS PRO
HK$1,193.92
單位
90mm 90mm Digital 4 3 - 55mm 10 mm Class 1.0 - - - - -
RS庫存編號 834-7587
製造零件編號7KM9900-0SA00-0AA0
BrandSiemens
HK$398.52
單位
- - - - - - - - - - - - - -
RS庫存編號 913-9677
製造零件編號A9MEM2135
HK$3,020.16
單位
- - LCD 8 1 - 64mm - - -25°C +70°C CE, EN 50470-3, IEC 60529, IEC 62052-11, IEC 62052-31, IEC 62053-21, IEC 62053-23, IEC 62053-31, MID Conforming to EN 50470-1, MID Conforming to EN 50470-3, UL 94 63 A, 65 Hz, 999999.99 kWh 0 → 999999.99 kWh, Maximum of 63 A, 45 → 65 Hz
RS庫存編號 124-9875
製造零件編號M880-DMF-RS-PO
BrandHOBUT
HK$1,199.43
單位
45.5mm 72mm LCD 16 1, 3 Yes 48.3mm - 0.1 (Frequency) Hz, 0.5 (Volts/Amps) %, 1 (Active Power) %, 1 (Apparent Power) %, 1 (Power Factor) % -20°C +70°C CE, IEC 61000-4-11, IEC 61000-4-2-Level III, IEC 61000-4-3-Level III, IEC 61000-4-4-Level III, IEC 61000-4-5-Level III, IEC 61000-4-6-Level III - -
RS庫存編號 914-5360
製造零件編號C-TRAN-250A
BrandHOBUT
HK$1,617.16
單位
- - No Display - 3 - 59mm - 0.1 (Active) %, 0.1 (Frequency) %, 0.1 (Reactive Energy) %, 0.2 (Parameters Unless Stated) %, 0.5 (Power Factor) % - +60°C BS 4889, BSEN 60688, CE, CUL, EN 61010-1, EN 61326-2, IEC 1036, IEC 359, IEC 60044-1, IEC 688, IEC 801.EN 55020, UL 330 (L-N) V, 440 (L-L) V 100 → 330 (L-N) V, 100 → 440 (L-L) V
RS庫存編號 191-4373
製造零件編號2907944
HK$3,402.83
單位
- - LCD - 2, 3 - 58mm - Class 0.5 S(IEC 62053-22), Class 2(IEC 62053-23) -10°C +55°C - - 1 → 20000A
RS庫存編號 913-9637
製造零件編號A9MEM2100
HK$1,464.32
單位
- - LCD 5 1 - 65mm - - -20°C +70°C CE, IEC 60529, IEC 61557-12, IEC 62053-21 63 A, 65 Hz, 999.99 MWh 0 → 999.99 MWh, Maximum of 63 A, 45 → 65 Hz
RS庫存編號 180-9615
製造零件編號7KM2200-2EA40-1HA1
BrandSiemens
HK$1,839.78
單位
- - LCD - 3 - 64mm - - - - - 1 MΩ, 65 A, 65 Hz, 400 V ac 46 → 400V ac
RS庫存編號 191-4385
製造零件編號2908308
HK$4,702.18
單位
- - - - 2, 3 - 82mm - Class 2(IEC 62053-23) -10°C +55°C - - -
RS庫存編號 789-4127
製造零件編號2CMA170533R1000
BrandABB
HK$2,610.61
單位
- - LCD - 3 Yes 65mm - 1 % -40°C - - - -
RS庫存編號 180-9638
製造零件編號7KT1664
BrandSiemens
HK$1,573.91
單位
- - LCD - 3 - 63mm - - -25°C +55°C - 5 A, 66 Hz, 400 V ac 187 → 400V ac
RS庫存編號 723-2223
製造零件編號7KT1530
BrandSiemens
HK$8,154.43
單位
- - LCD 7 1 Yes 64mm - Class 2 - - - - -