HANNA GROCHEK® CLEAN & CALIBRATION CHECK SOLUTION (25/CASE) (SPECIAL ORDER ONLY) HANNA GROCHEK® CLEAN & CALIBRATION CHECK SOLUTION (25/CASE) (SPECIAL ORDER ONLY) (716817) FOR Hanna Waterproof pH/EC/TDS Temp Meter W/pH Electrode Diagnostic HI 9813-6
pH electrodes are commonly designed to produce and output signal equal to 0 mV when immersed in a solution with pH 7. But a constant output value at pH 7 occurs as a result of certain adverse events, such as: A ... This item is sold individually. — Free Shipping when ordering $75 or more of qualifying items....more.
HANNA GROCHEK® GROCHECK TDS MONITOR (MODEL HI 983301N) Hanna GroCheck TDS Monitor (Model HI983301N)
HANNA GRO'CHEK TDS MONITOR (HI 983301N)
These state-of-the-art meters have been engineered with a host of features suited to the aggressive environments commonly found in agricultural applications; housings and cable connections have been sealed against vapor and humidity.
With a 12 volt DC power supply included with the meter, low... Note: Calibration Buffer Solutions are available separately....more.
Hanna Hydroponics pH Tester (HI99104) HI 99104 is an ideal pocket tester designed with a 0.01 pH resolution
and two point manual calibration through easy to reach trimmers, it
immediately displays pH variations to reflect the smallest change in the
sample. Unlike conventional testers, HI 99104 has a long and slim stem, ideal for measurements in small samples or test tubes. HI 99104 is supplied with a rugged, plastic... Note: Calibration Buffer Solutions are available separately....more.
pH & EC Cleaning & Calibration Kit Attractive, easily shelved packaging, with both written and photographic instructions on solution use. Aggressively priced to encourage customers to purchase more maintenance solutions.
Includes five each of pH 7.01, 1413 uS/cm, and cleaning solution (20 mL sachets)... — Ships from Seattle, Washington USA...more.