pH Pal Plus Tester is superb value for money. It is simple to use, gives trouble free operation and has some good features.

pH Pal Specification:

• Water proof
• One touch calibration
• LED display locks after sensing end reading
• Operating range: 0-14pH
• Accuracy: +/- 0.2pH
• Low battery indicator
• Auto shut off after 10 mins
• Weight 70 grams
• Dimensions 15mm x32mm x 170mm
• Battery life 150hrsa continuous use