HANNA PORTABLE PH/EC/TDS METER (HI9813-0) Hanna Waterproof pH/EC/TDS Meter (Model HI 9813-0)
HI 9813-0 allows you to measure pH, EC (conductivity) and TDS with just one instrument! This meter has a full-spectrum pH measurement range.
The EC range goes to 4.00 mS/cm. In the TDS range, both instruments use a conversion factor from 0.56 to 0.72 for fertilizer readings, to ensure your measurements fully conform to indust... ...more.
Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N) Hanna Combo Meter
HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.
This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the... — Ships from Seattle, Washington USA...more.
Replacement probe for CalCheck Meter (HI1285-6) Replacement probe for CalCheck Meter (HI1285-6)
Preamplified pH and EC Probe with CAL CHECK™ for use with HI 9813 Series. Recommended for greenhouses, hydroponics, environmental monitoring, water treatment, boilers and cooling towers.... — Ships from Seattle, Washington USA...more.
Dual Grochek - Same as above - self calibrating (HI991404) Dual Grochek - Same as above - self calibrating (HI991404) (eco-5422D)GroChek pH/EC/TDS/Temp. Combo
Large, Dual-level Backlit LCD
Auto Calibration & pH Temp. Computing
Hanna Dual Grochek
The HI 991404 continuously monitors
pH/EC/TDS/Temp. in your
nutrients. Comes with a rugged, nonclogging
pH electrode and conductivity
probe that will stand up to the most
agressi... — Ships from Seattle, Washington USA...more.
HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 (716815) 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 ... — FREE shipping when ordering $75 or more of qualifying items....more.
GroChek pH Meter. HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH monitoring. You can have a professional piece of equipment at consumer prices!... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA...more.
GroChek TDS Meter. Hanna Gro Chek TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS reading. A very handy device for the seriious gardener. Measured in PPM.Hanna Product Number: HI983301N ... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA...more.
Hanna 7.01, 1500 ppm, and Cleaning Solution Hanna Instruments Cleaning Kits
Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.
This kit includes:
(5) pH 7.01 buffer solution sachets • HI70007P
(5) 1500 ppm TDS solution sac... ...more.
Hanna Checker Marine Alkalinity HC Hanna Checker - Alkalinity
Easier to use and more accurate than chemical test kits
Accuracy ±5 ppm ±5% of reading
1 ppm (mg/L) resolution
Large, easy to read digits
Auto shut off
Dedicated to a single parameter
Designed to work with HANNA’s liquid reagents
Uses 10 mL glass cuvettes
Small size, big c... — FREE shipping when ordering $75 or more of qualifying items....more.
Hanna Checker Marine Calcium HC Hanna Checker - Calcium
Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant struc... — FREE shipping when ordering $75 or more of qualifying items....more.
HANNA PH INDICATOR W/ ELECTRODE (HI981401N) Hanna Grochek® Water Resistant pH Indicator
HI 981401N has been designed to meet the Grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored.
Measurements are highly accurate and can be verified... Note: Calibration Buffer Solutions are available separately....more.