Medidor de resistência de contacto 100A Testador de resistência de loop de interrutor

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, continuously output big current, large-range current output. Can set 1 to 3 different current ranges for testing, and automatically calculate the 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 the 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, the 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