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Three phase digital power meter
◆ Product features ▲ Standard PT/CT input, AC sampling, true RMS measurement, suitable for various wiring methods; ▲ Multiple three-phase power measur
Product details
◆ Product Features
▲ Standard PT/CT input, AC sampling, true RMS measurement, suitable for various wiring methods;
▲ Multiple three-phase power measurement/display functions, adjustable power multiplier;
▲ Measurement accuracy: above 0.5%;
▲ Digital calibration instrument (password protected).
◆ Product specifications and performance
▲ AT28A: Three phase current measurement and digital simultaneous display or switching display;
▲ AT28V: Three phase voltage measurement and digital simultaneous display or switching display;
▲ AT28P: Three phase active power measurement and digital simultaneous display or switching display;
▲ AT28Q: Three phase reactive power measurement and digital simultaneous display or switching display;
▲ AT28C: Three phase power factor measurement and digital simultaneous display or switching display;
▲ AT28W: Three phase active power, reactive power, power factor measurement and digital simultaneous display or switching display;
▲ AT28DP: Three phase active energy measurement and digital simultaneous display or switching display;
AT28AC: Comprehensive measurement of 8 types of three-phase electricity and simultaneous digital display or switching display.
◆ Technical indicators
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AT28series
Three phase digital display meter |
point mark |
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accuracy class |
current/voltage0.5Level, other power consumption1.0level |
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display digits |
Simultaneous or switching display of three-phase power signals (separately)4Position or5Position) |
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lose
enter |
Nominal input |
AC/DCcurrent |
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overrange |
sustain:1.2Double, instantaneous:current10times/5Second, voltage2times/1second |
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input load |
The maximum current and voltage are0.1VA |
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electricity
source |
auxiliary power supply |
AC185-240VorAC/DC80-255V（optional） |
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merit consume |
<2VA |
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power frequency withstand voltage |
2kV(Test voltage is AC RMS) |
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insulation resistance |
≥100MΩ |
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Mean time between failures |
≥50000h |
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working conditions |
ambient temperature-20-60℃, relative humidity ≤90%In non corrosive gas environments |
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◆ Product selection
AT28A-6H3 three-phase digital ammeter with hole size of 67 * 67
AT28V-6H3 three-phase digital voltmeter with hole size 67 * 67
AT28A-7H3 three-phase digital ammeter opening size 77 * 77
AT28V-7H3 three-phase digital voltmeter with hole size of 77 * 77
AT28A-9H3 three-phase digital ammeter with hole size of 92 * 92
AT28V-9H3 three-phase digital voltmeter with hole size of 92 * 92, etc
◆ External dimensions
◆Typical wiring
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