Meters/Controllers

  High-quality calibration solutions   Effective, affordable pH calibration   Bluelab pH 4.0 Calibration Solution - 250 ml is essential for use with all Bluelab pH products...

A corded sensor designed for use with AC Infinity universal controllers in HVAC and grow applications. Engineered with Swiss-made thermal-alloy probe heads offering precise temperature and humidity measurements. Adapts to rapid climate...

The Milwaukee Waterproof pH55 PRO pH/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any...

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place...

Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function...

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading...