Model Number: SM-1 Brand Name: TLead Key Specifications/Special Features: Displays TDS level of a single water lineHighly efficient and accurate due to its advanced microprocessor technologyAuto-off function conserves battery powerThe unit shuts off automatically after 10 minutes of non-useWide range: 0-9990ppm (from 0 - 999ppm the resolution is 1ppm, from 1,000 to 9,990ppm, the resolution is 10ppm, indicated by a blinking 10' image)

Factory calibrated: our meters are calibrated with a 342ppm NaCl solution, meters can be recalibrated with a mini-screwdriver

Comes equipped with Mur-lok Quick-Connect T-fittings

Installs quickly and easily

Range: 0-9990ppm

Accuracy: ±2%

Conversion factor: NaCl (avg. 0.5)

Cable length: 24.5" (including sensor)

Fittings: 1/4" standard, also available with 3/8" or 1/2"

Power source: 2 x 1.5V button cell batteries (LR44 or equivalent; included)

Battery lifespan: approximately 1,000 hours of continuous use

Size: 7.6 x 2 x 4.7cm (3 x .8 x 1.9 inches)

Weight: 79.4g (2.8oz)