- The HI991401 Gro’Chek pH and Temperature Monitor has a large, dual-level backlit LCD to give you instantaneous readings of both pH and temperature, even from a distance. The HI991401 microprocessor provides for automatic calibration, automatic buffer selection and automatic temperature compensation.
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HOLD button to freeze readings on the display
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Auto Calibration
- Idea for hydroponics, aquariums, pools, & ponds.
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