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RS485 Digital AC Voltmeter 0.5S Accuracy AC Voltage Meter 3000VAC Isolation Voltage

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RS485 Digital AC Voltmeter 0.5S Accuracy AC Voltage Meter 3000VAC Isolation Voltage

Display precision : Four and a half

Impedance : ≥1MΩ

Supply Ability : 10000+

Accuracy class : 0.5S

Response speed : ≤1 second

Brand Name : OEM / ODM

MOQ : 10 PCS

Voltage range : 300V, 500V

Delivery Time : 7-30 work days

Certification : CE / FCC / RoHS

Overload capacity : 1.2x rated voltage continuous, 2x rated voltage for 1s

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AC Voltmeter Voltage Meter with 0.5S Accuracy Class RS485 Communication Interface and 3000 VAC Isolation Voltage

AC Voltmeter
Technical Specifications
Parameter Specification
Accuracy Class 0.5S
Display Precision Four and a half digits (≥100 A: positive value; <100 A: one decimal place)
Input Range Adjustable: 300V, 500V
Overload Capacity Continuous operation at 1.2 times rated voltage, and at 2 times rated voltage for 1 second
Response Speed ≤ 1 second
Impedance ≥ 1MΩ
Power & Communication
Power Source: AC (50–60 Hz); DC 80–300 V or DC 16–75 V
Power Dissipation: ≤ 2W
Communication Interface: RS485 with standard MODBUS-RTU protocol
Alarm Output: One normally open contact for overvoltage alarm; one normally closed contact for undervoltage alarm
Analog Output: 4–20 mA (optional)
Insulation & Reliability
Isolation Voltage: Power supply – ground, input, output, communication port: 3000 VAC; Communication port – ground: 750 VAC
Insulation Resistance: ≥ 100MΩ
MTBF: ≥ 50,000 hours
Environmental Conditions
Working Temperature: -25℃ to +55℃
Storage Temperature: -25℃ to +85℃
Humidity Environment: <95% humidity, no corrosive gases
Altitude: < 2500m
Open Hole Size: 93 * 45mm

Product Tags:

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