RS485 Digital AC Voltmeter 0.5S Accuracy AC Voltage Meter 3000VAC Isolation Voltage
Price:
Negotiable
MOQ:
10 PCS
Delivery Time:
7-30 work days
Brand:
OEM / ODM
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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Company
Shenzhen Hongyi Technology Co., Ltd.
Location
Yangmen Industrial Zone, Dakan Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, China
Contact Person
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