This contact resistance tester can meet the requirements of power sector field and high-voltage switch factory to test loop resistance/contact resistance measuring.
Here show you its video about the contact resistance tester, this item is cheaper one
|Test Range||0~19999mW expandable|
|Working Power||AC 220V±10% 50Hz±2%|
|Environment Temperature||－25°C ~50°C|
1. 800*480 high resolution color 7-inch touch screen, high-speed thermal printer.
2. Large-range current output: Adopt the latest power supply technology, long time continuously output big current, large-range current output. Can set 1 to 3 different current range for testing, and automatically calculate average value.
3. Digital displaying data information: Resistance, voltage, current, electrical resistivity，resistance values at converted standard temperatures.
4. Auto-alarm of over limit: Set resistance up-limit value of pass / over limit / invalid, automatically generate testing status.
5. Long-time testing: Can set test time from 0-9999s and support long-time working. Inside cold-wind heat dissipation, switch power automatically protection.
6. High-precision measurement: Use Operational amplifiers from precision instruments and High precision quadruple integral A/Dconverter.
7. Use High performance 32-bit latest ARM chips, System automatically switch magnification times based on signal, ensure testing precision.
8. Inside Calendar & Clock: provide accurate time of testing and printing.
9. DC constant current source function: Can output current from 0 to infinite value, built-in current step-by-step up-flow test, equal to another powerful DC constant current source for test.
10. Large-volume testing record storage: Build-in large capacity storage for look up, also have data protection function while power shut down suddenly.
11. Removable USB flash drive data access: Export excel file data record.
12. Standard Modbus-RTU: Build-in RS232 port (customized convert to RS485), communication protocol Modbus-RTU.
13. Computer control and upload test data: Build-in RS232 port for the data control, upload, generate word/excel file.
14. Bluetooth control and upload data: Standard configuration Bluetooth function, build-in android BT APP for data control / upload / generate word file.
15. Convenient cable operating: Cable control mode (customized), set cable control switch to regulate open / touch, test /interruption, light-alarm for resistance output over limit.
16. Quick and convenient wireless remote controller: it is customized, with one button operation of testing and interruption, customized controller can show the test progress.
17. Temperature offset automatically calculate resistance: Can preset temperature, automatically calculate resistance in standard temperature. Also use temperature sensor (customized) to measure.
18. Background color change: Set background color to blue and graphic black, brightness, standby brightness and time.
19. Build-in training material: Document shows the cable connecting method for onsite guidance.
20. Big current cable quick connection: Use latest big current cable port, insert and turn lock up.
21. Multiple-phase selection: Normal is single-phase, customized to be two-phase test and three-phase test simultaneous