China Ammeter/LCD Digital Ammeter/Single -Phase AC Digital Ammeter/Lnf31 Ammeter, Find details about China Ammeter, LCD Digital Ammeter from Ammeter/LCD Digital Ammeter/Single -Phase AC Digital Ammeter/Lnf31 Ammeter
Working environment | |
Working temperature | -10°C -- 55°C |
Storage temperature | -25°C -- 70°C |
Relative humidity | ≤95% RH, no condensation |
Working altitude | ≤2500m |
Anti-pollution level | Non-corrosive gas |
Protection degree | Front case IP54, rear case IP20. |
Insulation | Between signal, power supply, output terminal to case resistance >100MΩ |
Withstand voltage | Input and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kV |
Display | |
Display method | LCD |
Working power supply | |
Rated range | AC/DC(80~270)V |
Power consumption | ≤5VA |
Withstand voltage | Input and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kV |
Current input | |
Range | 5A/1A |
Resolution | 1 mA |
Impedance | ≤20mΩ/ per phase |
Power consumption | ≤0.2 VA/ per phase |
Overload | Continuous:1.2In Instantaneous:10In/5s |
Frequency | 45 Hz-65 Hz |
Communication interface | |
Physical interface | RS-485 |
Communication speed | Up to 9.6 kbps |
Communication protocol | Modbus-RTU |
Isolation voltage | 2000 VAC (1 min) |
EMC | |
Electrostatic discharge immunity | IEC 61000-4-2-III |
Radiated, radio-frequency, electromagnetic field immunity | IEC 61000-4-3-III |
Electrical fast transient/burst immunity | IEC 61000-4-4-IV |
Impact (surge) immunity | IEC 61000-4-5-IV |
Immunity to conducted disturbances, induced by radio-frequency fields | IEC 61000-4-6-III |
Power frequency magnetic field immunity | IEC 61000-4-8-III |
Voltage dips, short interruptions and voltage variations immunity | IEC 61000-4-11-III |