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No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province
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Zhuhai Guoce Electric Energy Instrument Technology Co., Ltd
PZ21 installation type digital voltmeter
NegotiableUpdate on 03/11
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Overview
Product Model: PZ21 Product Introduction: The PZ21 installation type digital AC voltmeter has high-precision real-time voltage measurement and is equipped with input and output interfaces for monitoring and control of on-site equipment status. It also integrates RS485 communication interface and can be integrated with various intelligent distribution systems and energy management systems to share rich monitoring data. It can be widely used in distribution management, automation, and intelligent monitoring systems in various industries.
Product Details
| Functional Features |
High precision measurement of single and three-phase voltage;
Provide LCD and digital display, local data query;
Programmable current ratio setting;
Maintain RS485 communication and Modbus RTU protocol;
Supports switch input, switch output, and analog transmission output.
| Technical indicators |
| measurement accuracy |
Level 0.5, Level 0.2 |
| input parameter | Wiring method: three-phase three wire, three-phase four wire |
| Frequency: 50Hz, 60Hz | |
| Rated voltage: AC 57.7V, AC100V, AC220V, AC380V (can be customized according to requirements) | |
| Overload: 1.2 times (continuous), 10 times/5 seconds (instantaneous) | |
| Working power supply | Scope of work: AC85V~265V, DC 100V~300V |
| Power consumption:<5VA | |
| secure | Insulation resistance:>100M Ω |
| AC withstand voltage: AC 2kV | |
| environment | Normal operating temperature: -25 ℃ to+55 ℃ |
| Extreme working temperature: -40 ℃ to+70 ℃ | |
| Storage and transportation temperature: -40 ℃ to+70 ℃ | |
| Storage and working humidity: ≤ 85%, non corrosive gas environment | |
| Atmospheric pressure: 80Kpa to 110Kpa | |
| Altitude: ≤ 5000m | |
| functional module | Communication interface: RS-485 communication, Modbus RTU protocol, baud rate 1200-19200bps, default 2400bps |
Switching input: supports multiple dry node inputs, passive contact inputs, and built-in power optocoupler isolation | |
Switching output: supports multiple relay outputs, capacity: AC 250V/5A, DC 30V/5A | |
Transmission output: Supports multiple analog outputs: 4~20mA (default), 0~20mA, 0~5V, 0~10V | |
| mechanical parameters | Frame dimensions (mm): 48 × 48, 72 × 72, 80 × 80, 96 × 96, 120 × 120; |
| Hole size (mm): 45 × 45, 67 × 67, 76 × 76, 90 × 90, 91 × 91, 110 × 110; |
| Product Selection Table |
| Product Outline Dimensional Drawing |
| The product meets the standards |
GB/T 22264.1 "Installed digital display electrical measuring instruments - Part 1: Definitions and general requirements"
GB/T 22264.2 "Installed digital display electrical measuring instruments - Part 2: Special requirements for ammeters and voltmeters"
GB/T 22264.8 "Installed digital display electrical measuring instruments - Part 8: Recommended test methods"
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