The PTBT1 is designed to be extremely accurate, fast and simple to use in diverse water quality applications. Advanced features include the ability to select from 3 different solution types that model the characteristics of the most commonly encountered types of water: proprietary temperature compensation and TDS conversion algorithms; highly stable microprocessor-based circuitry; user-intuitive design; and waterproof housing. A true, one-handed instrument, the PTBT1 is easy to calibrate and easy to use. To take a measurement, you simply press a button then dip the pen in solution. Results display in seconds.

• Accuracy of 1% of reading
• KCL, NaCl and 442 Natural Water Modes
• Auto ranging
• Waterproof
• Powered by one N type battery (included)
• Measurement and calibration storage with time, date, and location

Instrument comes complete with:

• Battery (installed)
• Protective Cap Scoop Pocket Clip Holster Lanyard Operating Instructions