The HM EC/TDS Hydrotester Pen provides a digital readout of the EC (Electrical Conductivity) and TDS (Total Dissolved Solids) in a nutrient solution. The EC refers to a substances ability to conduct electricity, whereas TDS is the combined total of any minerals, salts or metals dissolved in water or other liquids.
At Aqua Gardening, HM EC meters have proven themselves tough, waterproof and able to withstand drops. We've used the same EC pen for more than 3 years without an issue. The HM EC pens calibrate quickly, and automtically, with the EC 2.76 solution.
The HM EC pen measures EC, ppm and TDS, here are the detailed specifications:
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Made by HM: a trusted name in test and measurement.
Keep the metal probes clean. Consider getting probe cleaning solution and probe storage solution, this will make it last longer than using soapy water.
Change of Mind Returns:
We want you to love your product so if you are not completely satisfied with your purchase let us know.
Most products come with a 30 day change of mind policy. If at any time within the first 30 days from purchase date you are not completely satisfied with your order, please contact us via your MyDeal Account for return approval. Once received and inspected, we will facilitate an agreed resolution.
Please Note:
Warranty Claims:
Aqua Gardening offers 12 months or more warranty on all products (excluding consumables like fertilisers and lamps). Should an issue arise with your product, please contact us via your MyDeal Account to raise a warranty claim.