EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4"). The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed.
Calibration with this meter is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait until it is calibrated. No extra buttons to push or dials to turn! Can even be used to mix the fertilizer solution.
The tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries.
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