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Johnson 2015 latest three-phase DC digital ammeter
Johnson 2015 latest three-phase DC digital ammeter
Product details
Johnson 2015 latest three-phase DC digital ammeter
Johnson 2015 Latest Sanxiang DC Digital Display CurrentTable of Technical Indicators

| accuracy class |
U. I is at level 0.2, P and Q are at level 0.5, active energy is at level 0.5, and reactive energy is at level 2 |
| display | LED or LCD display |
| Network | Three phase three wire, three phase four wire |
| pulse output | 2-channel power pulse output, optocoupler relay |
| Input Current |
Current AC1A, AC5A, AC10A, AC500mA, DC5A, DC20mA, etc |
| INPUT VOLTAGE |
Current AC100V, AC220V, AC380V, DC100V, DC200V, DC380V, DC75mV, etc |
| overload |
Continuous: 1.2 times, instantaneous: voltage 2 times (10 seconds), current 10 times (5 seconds) |
| frequency |
50/60Hz±10% |
| Auxiliary power supply |
Standard AC220V ± 5%, optional AC/DC80-265V |
| power |
<> |
| Dielectric Strength |
AC2kV |
| insulation resistance |
≥100MΩ |
| Mean time between failures |
≥50000 |
| working conditions |
Environmental temperature: -10~550 ℃, relative humidity ≤ 93%, non corrosive gas environment, altitude ≤ 2500m |
| Transmission output | Analog transmission output 0/4-20mA or 0-5/10V |
| Digital Communication (C) |
RS-485 interface, MODBUS-RTU protocol, default wave rate of 9600 (optional 4800, 9600) bps |
| Switching input (K) |
1-4 switch inputs, dry node mode (refer to specification and model description for details) |
| Alarm output (J) |
1-4 channel switch alarm output, relay contacts (refer to specification and model description for details) |
The target application scenarios for Johnson's latest Sanxiang DC digital ammeter in 2015 are:Three phase digital ammeter is a high-precision, highly reliable, and cost-effective intelligent distribution instrument product designed for power systems, industrial and mining enterprises, public facilities, intelligent building power monitoring, and intelligent control.


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