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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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