RCYAGO Smart Bluetooth PH Meter PH Tester 0.01 PH High Accuracy Water Quality Tester with ATC: 3 in 1 PH EC Temp Meter
- Bright, backlit display for clear viewing in all environments.
- User-defined duct shape and size for maximum airflow accuracy.
- Powerful meter provides differential and static pressure, air velocity and flow readings.
- Convenient colored hoses help proper interpretation of pressure readings.