HM-Digital EC and Temperature Combo Meter

The HM Digital COM-100 high end Combo EC and Temperature meter. 

This quality EC meter measures EC, TDS and temperature and features three different non-linear EC-TDS conversion factors (KCI, 442TM, NaCI). This meter has automatic temperature compensation (ATC) using three temperature co-efficiences, and has digital (push button) calibration to any point within the meter's range.

Maintaining a constant correct EC and pH level in your nutrient solution will ensure enhanced feeding, plant growth and yield abiltiy of your favourite plants!

Please see Grow FAQ section on our Homepage for more information regarding recommended nutrient strengths and pH levels. 

We strongly recommend purchasing the Bluelab Conductivity probe cleaning/storage kit for maintaining your meter.

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  Replacement HM-Digital EC Sensor

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  Replacement HM-Digital EC Sensor for the HM-Digital EC and Temperature Combo Meter More

Features include:

• Easy to read LCD screen.
• Simultaneous EC and temperature reading.
• Auto Off.
• Hold-reading function.
• Low battery indication.
• Automatic temperature compensation.
• Free Lanyard
• Push button calibration.
• Batteries.
• Probe cap.
• 100% water-proof.
• Replaceable sensor.