TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue)

6 in 1 pH PPM H2 EC ORP Temp Water Quality Meter - Digital pH PPM ORP EC Monitor for Hydroponic & Kombucha

Choose from our selection of ppm meters, including water-quality test strips, air particle counters, and more. Same and Next Day Delivery.

A peak programme meter (PPM) is an instrument used in professional audio that indicates the level of an audio signal. Different kinds of PPM fall into broad categories:

PH Meter, TDS PPM Meter and 3 in 1 Soil Moisture Meter Combo, High Accuracy Lab PH/EC Tester Digital Kit [Upgraded] for Home Water, Hydroponics, Plants Garden Soil and Aquarium …

The Hanna Instruments HI98301 DiST ® 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L). The DiST ® 1 is a rugged and reliable pocket-sized tester for …

Shop our TDS Meters & PPM Meters in pH Meter & TDS Meter Supplies online with HTG Supply! Most orders ship in 24 hours!

Bluelab TRUNCOMV2 Commercial Truncheon Nutrient Meter with Increased Measurement Range, Digital Conductivity (TDS, EC, ppm 500, ppm 700, CF) Tester in Water, Tool for …

What does a PPM meter do? A PPM meter is a way for growers to measure the concentration of their nutrient solution. PPM stands for parts per million and displays the concentration of …

Bluelab Combo Meter is the 3-in-1 pH, Conductivity (EC), and Temperature meter trusted by growers for over 25 years. It provides everything you need to ensure your plants thrive, with …