...calibrator The UT725 is also a high performance, high precision, handheld, multi-function process calibrator. Most process parameters can be easily measured and sourced: milliamps, volts, temperature, frequency, ohms in one tool. With 0.02% of high precision DC current and voltage transmission and measurement function, can measure and transmit a variety of electrical and physical performance parameters, with automatic

...Automatic Three Phase Relay Test Kit is applied to test the relay unit in relay protection system. At the same time it could be considered as a universal three phase AC/DC voltage source or current source. It is applied to test protection replay based on voltage and current operation. The main function of the tester include: calibration...

YIERYI 2 in 1 TDS Tester Multi-parameter Good Water Quality Monitor pH TDS Meter Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate pH and TDS electrode, ATC function. Apply in water ...