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.
- HOLD button to freeze readings on the display
- Auto Calibration
- Idea for hydroponics, aquariums, pools, & ponds.