High Precision DC Voltmeter Power Supply Equipment 0.2S Accuracy
Price:
RMB 199
MOQ:
10 PCS
Delivery Time:
7-30 work days
Brand:
OEM / ODM
Product Description
High Precision DC Voltmeter with 0.2S Accuracy Class and RS485 Communication Interface for Power Supply Equipment
DC Voltmeter Parameters
Measurement Specifications
| Accuracy Class | 0.2S |
| Display Precision | 4.5 digits (≥100 V: displays 1 decimal place; <100 V: displays 2 decimal places) |
| Input Range | Adjustable: Type 300: 220V, 110V, 48V, 24Vdc; Type 750: 700V, 600V, 500V, 400Vdc |
| Overload Capacity | Continuous operation at 1.2 times rated voltage; 1-second operation at 2 times rated voltage |
| Response Speed | ≤ 1 second |
| Impedance | 21.5 MΩ (300 V type) ≥ 1.5 MΩ (750 V type) |
Power Supply
| Input Range | AC (50-60 Hz); DC 80-300 V or DC 16-75 V |
| Power Dissipation | ≤ 2W |
Output Interfaces
| Communication Interface | RS485, standard MODBUS-RTU protocol |
| Alarm Output | One circuit of normally open contacts for overvoltage alarm; one circuit of normally closed contacts 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 | ≥ 100 MΩ |
| Mean Time Between Failures (MTBF) | ≥ 50,000 hours |
Environmental Conditions
| Working Temperature | -25℃ to +55℃ |
| Storage Temperature | -25℃ to +85℃ |
| Humidity Environment | Humidity <95%, no corrosive gases |
| Altitude | < 2500m |
| Installation Size | 93 * 45 (mm) |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Hongyi Technology Co., Ltd.
Location
Yangmen Industrial Zone, Dakan Community, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, China
Contact Person
He