1 point offset calibration allows adjusting the displayed value to a known standard
Relative and absolute millivolt modes ensure the reliable ORP measurements
Automatic temperature compensation ensures accurate readings over the entire range
Auto-Read functionsenses and locks the measurement endpoint
TimedInterval Readings sends the measurement data to memory or printer
Limit Alarm automatically alerts when reading exceeds the specified range
Calibration due alarmprompts user to calibrate the tester regularly
Password protection prevents the unauthorized calibration and settings
Multiparametermeasurement allows up to 3 testers connected to device and displays the measured values
Reset functionautomatically resumes all settings back to the factory defaults

water quality ORP Tester, Blue tooth, ORP-BT20