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Single phase digital power meter
◆ Product features ▲ Standard PT/CT input, AC sampling, true RMS measurement; ▲ Various single-phase electricity measurement functions, magnification
Product details
◆ ProductionProduct features
▲ Standard PT/CT input, AC sampling, true RMS measurement;
▲ Various single-phase electricity measurement functions, magnification display, digital direct reading;
▲ Accuracy: Current/voltage 0.5% (optional 0.2%), other battery levels higher than 1% (optional 0.5%);
▲ Power consumption<2VA, workingWide range of power supply.
All products are self-developed and produced by our company, supporting customized functions. Please contact our company for details.
◆ Product specifications and performance
▲ AT28A: Single phase current measurement and digital display (single row 4-digit LED)
▲ AT28V: Single phase voltage measurement and digital display (single row 4-digit LED)
▲ AT28P: Single phase active power measurement and digital display (single row 4-digit LED)
▲ AT28Q: Single phase reactive power measurement and digital display (single row 4-digit LED)
▲ AT28F: Single phase frequency measurement and digital display (single row 4-digit LED)
▲ AT28C: Single phase power factor measurement and digital display (single row 4-digit LED)
▲ AT28E: Single phase active energy measurement and digital display (single row 5-digit LED)
▲ AT28R: Single phase reactive power measurement and digital display (single row 5-digit LED)
▲ AT28AC: Comprehensive measurement and switching display of 8 single-phase electricity quantities (single row 5-digit LED) with optional RS-485/Modbus RTU communication function
◆ Technical indicators:
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AT28Single phase series |
point mark |
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accuracy class |
0.5Level1.0level |
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display digits |
4Position5bit |
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input |
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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power supply |
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%，
Non corrosive gas environment |
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◆ Model and specifications
如: AT28A-4L,AT28A-4T,AT28A-7L,AT28A-7T,AT28A-6L,AT28C-7L
◆ External dimensions
Typical wiring
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