8693 GLASS LONG PH PEN W/T

8693 AZ Long tube pH pen-full glass features:
* IP65 Waterproof housing
* 13 cm long pH probe
* Big and clear LCD provide real time pH and Temperature display
* Dual display with ATC
* Measuring stability indicator
* One touch for auto-calibration up to 3 points
* Calibration values are adjustable
* Hold function to freeze the current reading
* Compact size, easy to fit in pocket
* Low battery indicator
* Auto power off
* C/F unit switchable
* Power by 2 pcs CR2032 batteries
* Storage bottle to keep pH sensor wet & last life time