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...

A smart sensor designed to accurately give climate condition updates to maintain the ideal environment. Built-in sensor provides fast-refresh readings of temp. & humidity conditions and daily highs and lows. Connect to our app via Bluetooth for...

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...

A super accurate way to know the moisture level near your roots. Often the moisture near the surface where you can feel is fine while the soil near the roots is dry as dust - or the reverse: dry at the surface and over-watered at the roots. Seasonal...

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...