pH Monitor
Model : PH-321M

Futures:

*pH MONITOR
* 0 to 14.00 pH x 0.01 pH.
* Accuracy : 0.1 pH (pH 4 to pH 10).
* Auto calibration for pH 4, pH 7 or pH 10.
* LCD display with back light
* Power supply : DC 9V adapter in.
* Application : Aquarium or general purpose pH monitor usage.
* pH electrodes (optional) : PE-01, PE-03, PE-11, PE-21