GroLine HI-98131Combo pH/EC/TDS/Temperature Waterproof Tester

The GroLine Pocket is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity, TDS and temperature. This versatile pocket meter is designed for hydroponics, greenhouse and agriculture applications.

• Waterproof and floats for easy retrieval
• Quick Cal mode to calibrate pH and EC/TDS with one solution
• TDS conversion factor selectable between 0.5 (500ppm) and 0.7 (700 ppm)
• Replaceable pH electrode equals lower whole life costs
• 3 sensors in a single meter Waterproof - Designed to withstand the humidity of a growing environment
• Wide pH Range from 0.00 to 14.00 pH
• Selectable EC to TDS conversion factor
• Automatic Temperature Compensation
• Stability indicator HOLD button that freezes reading on the display to allow recording of measurement
• BEPS (Battery Error Prevention System)
• Battery % level at start up
• Low Battery Indicator Auto-off

The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI98131 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm).