The compact and economical pHTestr Basic is well suited for pool, spa, aquariums, hydroponics, cooling towers, food processing water testing, photo development, printing, and chemical industries. It can even fit educational budgets for use in school laboratories and ecological studies. pHTestr Basic features a replaceable single-junction sensor with a recessed bulb to protect against breakage. The unit also offers up to three-point calibration with auto-buffer recognition for quick calibrations, self-diagnostic error messages, hold function to lock measured value, and auto-off to prolong battery life.
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