Meters/Controllers
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Bluelab pH 4.0 Calibration Solution 250 ml
bluelab
$11.00High-quality calibration solutions Effective, affordable pH calibration Bluelab pH 4.0 Calibration Solution - 250 ml is essential for use with all Bluelab pH products...$11.00 -
AC Infinity 20' Probe
AC INFINITY
$16.99A 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...$16.99 -
Sun System Par Meter
SUNSYSTEM
$563.71Sun System® PAR Meter with remote sensor measures photosynthetically active radiation (PAR). Use inside with Sun System® grow lights or outside with natural sunlight. Simple and easy to use. Compact size with remote sensor. 1 year warranty...$563.71 -
GroStar GS2 Soil pH Pen
$256.99GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! Includes: pH 7 & pH 4 solution (50ml bottles of each), KCL soaking solution (10ml bottle), cleaning brush, hole dibber, lanyard and user...$256.99 -
Milwaukee PH55
Milwaukee
$60.50The 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...$60.50 -
Digital Sugar Refractometer (BRIX) Kit
Milwaukee
$149.99Thousands of food and beverage professionals and hobbyists, from chefs and food quality professionals to brewers and wine makers, have moved to digital BRIX measurement from less accurate and less precise optical refractometers. WHAT PEOPLE ARE...$149.99 -
Apera GroStar GS4 pH/EC Combo Pen
$178.99AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 & pH4 calibration solution...$178.99 -
Bluelab pH 7.0 Calibration Solution 500 ml
bluelab
$18.00"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...$18.00 -
Bluelab pH Pen
bluelab
$119.00Measures 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...$119.00 -
BlueLab Conductivity Pen
bluelab
$99.00Measures 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...$99.00 -
$140.00