This awesome pen can test quality and purity of your water, it also determines whether purification is required. The Pen reacts to organic compounds, and heavy metals like nickel, chromium, and soluble salt content. The pen is waterproof and has automatic temperature calibration in extreme precision with measurements. -Highly efficient and accurate due to its advanced microprocessor technology. -Meters can be re-calibrated with a mini-screwdriver. -Fun, translucent blue housing that's very strong and durable.
Specifications: Hold Function : Saves measurements for convenient reading and recording. Auto-off function : The meter shuts off automatically after 10 minutes of non-use to conserve batteries. 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. Display : Large and easy-to-read LCD screen. Factory Calibrated : Our meters are calibrated with a 342 ppm NaCl solution. Includes a TDS chart sticker on the back of the meter that explains TDS values.
Package Content: 1 x TSD Tester Pen
Display Type: Digital DIY Supplies: Plumbing With Backlight Or Not: Yes Measurement Range : : 0-9990 ppm Display : : Large and easy-to-read LCD screen.