Apera Instruments Ai209 Value Series PH20 Waterproof pH Tester Kit

Simply the most reliable pocket ph. tester with the best value for all kinds of regular ph. testing, such as hydroponics, education, swimming pool, water treatment, etc. Up to 3 points of Auto calibration with Buffer recognition and 0 to 50c Auto temperature compensation (ATC), 0.1 ph., 0.5C accuracy with 0 to 14.0 ph. measuring range, Auto recognition and indication of stable values improves repeatability, saving you the trouble of guessing when to manually hold measurement. With an Ultra clear 180 viewing angle screen, it supports dual display of Temp./ph. value and indications of completed calibrations (where L/M/H indicate 3 points of calibrations) and stable readings (with a smiley face). comes with a complete Kit of premixed calibration solutions (4.00 and 7.00), AAA batteries, and a lanyard all in a portable carrying case. Self-diagnosis, warning of out-of-range measurement and incorrect calibrations. IP67 waterproof and dustproof, floats on water so you don’t have to worry if dropped in water by accident. 2000 hours’ continuous operation (without backlit) powered by AAA batteries (with low power warning and Auto power off in 8 min if no operation).

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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