HM Digital TDS-EZ Meter/Tester, Water/ppm/Purity/Filter
Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Fun, translucent blue housing that’s very strong and durable.
Includes a TDS chart sticker on the back of the meter that explains TDS values.
Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking ‘x10’ image.
Price: $47.50