HI98131 GroLine® pH/EC/TDS Combo Tester • Waterproof · Designed to withstand the humidity of a growing environment • Automatic one-point calibration using our Quick Cal solution • Automatic Temperature Compensation · All readings are compensated for variations in temperature · Temperature displayed in °C or °F along with pH reading • Measurement instability indicator · Meter displays a tag that will disappear when the reading has achieved stability • HOLD button · Freezes reading on the display to allow recording of measurement • BEPS (Battery Error Prevention System) · Meter will automatically shuts off if there is not enough power to get an accurate measurement • Battery % level at startup • Low Battery Indicator • Auto-off · Automatically shuts off after 8 or 60 minutes of non-use to maximize battery life The HI98131 GroLine Combo offers high accuracy pH, EC (conductivity), TDS (total dissolved solids), and temperature measurements in a rugged, waterproof casing that floats. The GroLine Combo features a replaceable pH electrode as well as an EC/TDS graphite electrode. The replaceable pH cartridge means this tester does not need to be discarded when the pH sensor is exhausted. The EC/TDS conversion factor is userselectable, as well as the temperature compensation coefficient (β). 1 Testers and Monitors 1.10 | www.hannainst.com testers
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