Galvanic principle, IP54 Grade with 30 sets data memory, Galvanic DO electrode, no warm up needed, save time,Auto/manual endpoint, recall last calibration data,Easy to calibrate
EasyTemp temperature sensor, mini-A USB connector that allows you to attach the temperature probe directly to the USB port of a TI-84 Plus graphing calculator or TI-Nspire handheld, Connecting the sensor to the calculator will automatically launch