Science Lab Pocket pH Meter

Specification:

They have the unique feature of a retractable electrode.
These pocket pH meters are easy to use, giving fast, accurate and repeatable measurements of pH values.
The LCD display has large digits making it easy to read and the protective cap allows the inclusion of a small sponge to keep the electrode moist to help prolong its life.
Dimensions (L x W x D): 158 x 40 x 34mm.
Electrode can be extended up to 80 mm
Manual calibration via screw trim pot
0 to 14.0pH x 0.1pH
0 to 14.00pH x 0.01pH
Impact-resistant ABS case
Supplied with electrode, protective cap, calibration screwdriver, 50 mL calibration solution and carry case
Powered by 9 V PP3 battery or 3 x 1.5 V Lithium coin cells
Splash-proof membrane keypad
Pocket clip moulded on the rear of the case