If you're in the market for a very affordable and reliable PH meter we recommend the HM Digital PH-80S. This handheld device is water-resistant, and it was designed to be used in hydroponics. It's fast-acting, has pinpoint accuracy, and includes one-touch automatic digital calibration.
- Measures pH and Temperature
- Simultaneous temperature display
- Large LCD display
- Automatic Temperature Compensation (ATC)
- Auto-off function, data-hold function and low-battery indicator
- Factory Calibrated: The PH-80 meter is factory calibration to pH 7.0.
- Includes a translucent cap, batteries, storage solution and pH 7.0 buffer (powder)