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RS485 Digital AC Voltmeter 0.5S Accuracy AC Voltage Meter 3000VAC Isolation Voltage
Product Summary
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;
Product Custom Attributes
Accuracy Class:
0.5S
Display Precision:
Four And A Half
Voltage Range:
300V, 500V
Overload Capacity:
1.2x Rated Voltage Continuous, 2x Rated Voltage For 1s
Response Speed:
≤1 Second
Impedance:
≥1MΩ
Highlight:
rs485 digital ac voltmeter
,ac voltage meter 3000vac
,0.5s accuracy ac voltage meter
Product Description
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
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