TEST-750 overvoltage and overcurrent relay tester

This model TEST-750 is one portable design device for protective overvoltage relay testing and overcurrent relay testing. large power, operate simply, test quickly, suite for electricity power utilities, Power engineering commissioning company and power plant etc. AC voltage output 0-250V, DC voltage output 0-300V; AC current output 0-250A; LCD display and with timer 0.1ms resolution. high precision 0.2%.

 

T-209 high voltage circuit breaker analyzer with Transducer and Trigger

T-209 circuit breaker analyzer is used for performing electrical and mechanical characteristic of high voltage, medium voltage circuit breaker, switch and contactor. The T-209 CB test set design offers powerful technology that assists the user to achieve efficient and reliable circuit breaker testing, All inputs and outputs on the instrument are designed to withstand the challenging environment in high-voltage substations and industrial environments．Galvanically isolated inputs and outputs makes it possible to perform all relevant measurements in one test, eliminating the need for new setup and re-connections. The model T-209 circuit breaker tester can test the vacuum circuit breaker ,sf6, oil circuit breaker, GIS and etc. the test parameters include, close or open time ,delta time ,bounce time ,bounce cycles, multi-operation, stroke , gap ,over-travel ,overshoot ,rebound and the speed, with the ability of test results and graph display.

FUNCTION & FEATURES

■ Built-in DC output for motor driving;

■ Help : the instrument has internal help topic;

■ Use a digital rotary transducer for measuring angle;

■ Transducer: with one analog transducer test ability;

■ Measure the motor current curve while motor driving;

■ HMI: via keypad and a large transflective LCD display;

■ Print: with internal installed 58mm wide thermal printer;

■ Standard : with the standard of DL/T846.3-2004 (P.R.C.);

■ Immunity : withstand the 550KV electrostatic environment;

■ Operate Close, Open, O-C-O, O-C, C-O control sequences;

■ Recording: with twelve channels ,coil current and transducer;

■ Test the mechanical characteristic operated by CB manually;

■ Built-in DC control output, can used for action voltage testing;

■ Communication: with RS232 and USB communication interface;

■ Power: with internal dc power ,the voltage ranges from 15v to 250v;

■ Measure the co-operate time between 6 main- and 6 auxiliary contacts;

■ USB FLASH: USB and RS232 interface for data communication with the PC;

■ Built-in DC/AC current sensor for measuring close and open control current;

■ Memory: with a SD card of 2GB,the maximum storage ability is 100 test results;

■ Speed: supply series of speed definition with editable and un-editable selection;

■ Trigger: with four triggers to start the recording ,channels state, voltage, current and transducer;

■ Measure the circuit breaker time parameters (close, open, asynchronous, bounce) of 12 main contacts;