The S300 Pro 2 is the perfect meter for measuring pH and temperature of coco soil and other soft, moist substrates and liquids. The meter features a modern, rugged housing with easy-to-use buttons. The S300 Pro 2 includes a pH electrode of unrivaled quality. The meter is delivered fully calibrated and includes batteries.

How to use 

• Connect the BNC connector of the electrode to the pH meter and remove the protective cap containing the storage solution from the electrode.
• Rinse the electrode under running water and dry it with clean kitchen paper.
• Press the on/off button to turn on the meter.
• Place the electrode on the (soft) substrate (make sure the substrate is well wet/moist, otherwise the meter will not work properly) or in the liquid to be measured.
• Wait for the value to stabilize. The measurement is complete.
• Press the HOLD button to save the measurement. Do not forget to press the HOLD key again when using the meter again.
• Rinse the electrode with clean water after use, so that no residue remains on the electrode. Place the electrode back into the protective cap containing the storage solution.
• Press the on/off button to turn off the meter.