APERA Instruments PH1 Value Pocket pH Tester Kit

Simply the most reliable pocket pH tester with the best value for all kinds of routine testing, such as tap water/drinking water testing, agriculture, aquaculture, swimming pool, education, etc.

• An ultra clear 180˚ viewing angle screen with temp./pH value dual display and indications of completed auto calibrations and stable readings.
• Complete kit with calibration solutions (4.00 and 7.00), AAA batteries, and a lanyard all in a rugged carrying case.
• 1-3 points auto calibration and 0 to 50˚C auto temp. compensation, ±0.1 accuracy with 0 to 14.0 pH measuring range
• Self-diagnosis with out-of -range warning and incorrect calibration warning.
• IP67 Water-proof and dust-proof, floats on water so no need to worry if you drop it in the water by accident.
• Longest 2000 hours' continuous operation powered by AAA batteries (with low power warning and auto power off in 8 min if no operation).