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Two way programmable resistance box
Product overview:
Ws-700k / 1000v-2t program-controlled resistance box is applicable to the insulation resistance test of charging pile. It is more convenient to use, and the configured multiple system protection ensures the reliability of the equipment. The system expands one RS485 remote communication interface and uses Modbus RTU protocol. It is the only choice for the system integration test.
Product features:
1. Voltage wide range input.
2. Both AC and DC.
3. The resistance value is adjustable.
4. Resistance value display.
5. Two channel design.
6. The protection function is complete.
7. The two working modes of debugging mode and load mode are converted to meet more test requirements.
8. Support a variety of remote control, standard RS485, optional Ethernet communication control. Support standard Modbus communication protocol.
Application fields:
Automobile electronic test, power supply test, battery test, leakage current detection test of DC switching components.
Technical specifications:
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Product name | Two way programmable resistance box | |
model | WS-700K/1000V-2T | WS-700K/10V-2T |
Rated voltage | AC or DC 1000V | AC or DC 10V |
Allowable access voltage | 0-1000V | 0-10V |
Rated frequency | AC 50Hz | |
Single channel resistance range | 10KΩ-700KΩ | |
Adjustment accuracy | 1KΩ | |
Number of channels | Dual channel | |
Resistance measurement accuracy | 0.5% F.S. | |
Panel layout | Power switch, digital instrument, fault alarm | |
control mode | Remote RS485 Modbus RTU standard communication protocol (optional Ethernet communication) | |
Load mode | Load mode: the resistance circuit is connected to the external test circuit, and the ohmmeter is disconnected. Debugging mode: the resistance circuit is not connected to the external test circuit, and the ohmmeter can detect the current set feedback value. | |
Heat dissipation mode | Forced air cooling | |
Air inlet direction | Front air inlet and back air outlet | |
Protection function | Short circuit protection, module fault protection | |
Equipment interface | Test interface / working power supply / grounding / RS485 communication interface | |
operation mode | Long time continuous working system | |
Working power supply | AC 220V 50Hz mains power | |
Installation mode | 19 inch rack type | |
Overall dimension | 355-450-480mm(height width depth) 8U | |
Equipment weight | 40kg | |
Appearance color | Light gray or white | |
Degree of protection | IP21 | |
Operating ambient temperature | -10℃~55℃ | |
relative humidity | The daily average relative humidity of the surrounding air shall not be greater than 95%, and the monthly average value shall not be greater than 90%. There is no condensation | |
