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 871-8291
BrandRS PRO
HK$678.93
單位
90mm 35mm LCD 7 1 Yes 62mm - 1 % -25°C +55°C CE, MID, RoHS Compliant 9999999.9 (Active) kWh, 9999999.9 (Reactive) kVarh 0 → 9999999.9 (Active) kWh, 0 → 9999999.9 (Reactive) kVArh
RS庫存編號 913-9753
製造零件編號METSEPM5340
HK$5,012.30
單位
- - 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庫存編號 810-3286
製造零件編號ACM20-5-AC1-R-C
HK$491.31
單位
22.1mm 36.22mm LED 4 1 - 23.11mm 9.14 mm ±1 % 0°C +60 - - -
RS庫存編號 570-584
製造零件編號2CDG110083R0011
BrandABB
HK$2,007.00
單位
- - - - - - - - - - - - - -
RS庫存編號 878-7452
製造零件編號2CSG299943R4052
BrandABB
HK$2,249.89
單位
96mm 96mm LCD 12 - - 57mm - - -5°C +55°C CE Certified, RoHS Compliant 5 A, 500 Hz, 500 V 10 → 500 V, 40 → 500 Hz, 50 mA → 5 A
RS庫存編號 913-9693
製造零件編號A9MEM3235
HK$2,824.98
單位
- - 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庫存編號 776-2988
製造零件編號A9MEM2000T
HK$2,105.51
單位
- - No Display - 1 Yes 67mm - ±20 V -20°C - - - -
RS庫存編號 913-9762
製造零件編號METSEPM8243
HK$17,555.31
單位
- - LCD - 3 Yes 90.8mm - ±0.1 (Current) %, ±0.1 (Voltage) %, ±0.2 (Active Energy) % -25°C 70°C CE, CSA C22.2 No 61010-1, CULus, EN 61010-1, IEC 60529, IEC 61010-1, IEC 61557-12, IEC 62052-11, IEC 62053-22, IEC 62053-24, N998, UL 61010-1 10 A, 69 Hz, 400 (Phase and Neutral) V ac, 690 (Phase) V ac 42 → 69 Hz, 50 mA → 10 A, 57 → 400 (Phase and Neutral) V ac, 100 → 690 (Phase) V ac
RS庫存編號 841-7787
製造零件編號METSEPM5563
HK$6,926.69
單位
92mm 92mm LCD - 3 Yes 90mm - ±0.2 % -25°C - - - -
RS庫存編號 723-2232
製造零件編號7KM3133-0BA00-3AA0
BrandSiemens
HK$3,346.10
單位
92mm 92mm LCD - - Yes 51mm 54 mm Class 1 -10°C - - - -
RS庫存編號 841-7730
製造零件編號A9MEM3110
HK$2,481.08
單位
- - LCD 10 - Yes 69mm - - -25°C - - - -
RS庫存編號 810-3289
製造零件編號ACM20-5-AC1-R-F-C
HK$537.45
單位
22.1mm 36.22mm LED 4 1 - 23.11mm 9.14 mm ±1 % 0°C +60 - - -
RS庫存編號 841-7734
製造零件編號A9MEM3200
HK$2,613.00
單位
- - LCD 10 - Yes 69mm - - -25°C - - - -
RS庫存編號 248-9017
製造零件編號MK60-LCD 771 215
BrandStarkstrom
HK$1,857.61
單位
- - LCD 6 1 Yes - - ±1 % - - - - -
RS庫存編號 789-4142
製造零件編號2CSG299893R4052
BrandABB
HK$3,438.52
單位
- - LCD - 1 Yes 77mm - ±0.5 % -5°C - - - -
RS庫存編號 878-7455
製造零件編號2CSG296992R4052
BrandABB
HK$2,737.40
單位
96mm 96mm LCD 12 - - 57mm - - -5°C +55°C CE Certified, RoHS Compliant 5 A, 500 Hz, 500 V 10 → 500 V, 40 → 500 Hz, 50 mA → 5 A
RS庫存編號 709-9684
製造零件編號4825 0206
BrandSocomec
HK$1,531.68
單位
- - - - - - - - - - - - - -
RS庫存編號 905-3429
製造零件編號DME D115 T1
BrandLovato
HK$1,054.12
單位
- - LCD 7 1 Yes 63mm - - -25°C +55°C Class 1IEC/EN 62053-21, Class 2 IEC/EN 62053-23, IEC/UL/CSA Protection Degree - 184 → 264V ac
RS庫存編號 123-9477
製造零件編號7KT1545
BrandSiemens
HK$3,160.38
單位
- - LCD 8 3 Yes - - - - - CE Certified, EAC Approval, EMC Approval, IMQ Approval - -
RS庫存編號 124-2449
製造零件編號P01331036
HK$2,309.04
單位
- - LCD 8 3 Yes 65mm - - -25°C 55°C EIA RS485, EN 50470-3, IEC 13757-1-2-3, IEC 62053-21, IEC 62053-23, MID - 0 → 9999999.9kWh