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HANNA REPLACEMENT PH PROBE (HI73127) Special Order FOR Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129)
The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS rea... Note: Calibration Buffer Solutions are available separately....more.
HANNA REPLACEMENT PROBE (HI1285-0) Special Order FOR 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 in... ...more.
HANNA REPLACEMENT PROBE (HI73311) Special Order
FOR Hanna DiST 5 Waterproof(Low Range) EC/TDS/Temperature Tester (Model HI 98311)
The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA® continue... ...more.
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) (eco-5529A)Continuous pH/TDS/temp Monitor
Designed for continuous monitoring of pH, TDS and temperature the HI 981504 is simple to install and can be placed above the sample to be tested. pH, TDS and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low l... — Ships from Seattle, Washington USA — FREE shipping when ordering $75 or more of qualifying items....more.
Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N) Hanna Waterproof pH/EC/TDS MeterHanna Waterproof pH/EC/TDS Meter (HI 9813-6N) (716814) HI 9813-6N is a versatile, water resistant multiparameter portable meter specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features an extra large LCD that clearly displays the parameter being measured as well as calibration ins... ...more.
HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129) Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129)
The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS reading... ...more.
HM DIGITAL PH 80 HM Digital pH Meter Model PH-80
Resolution: pH 0.1 pH, 0.00 - 14.0 pH.
Accurate to ±0.1 pH.
Hold button and auto shut-off.
Automatic Calibration: Auto-ranging to 4, 7 or 10 pH.
Very reliable and long lasting.
Low battery indicator.
Clear cap to notice moisture (or lack of) on probe.
Glass encased referenc... Note: Calibration Buffer Solutions are available separately....more.
HM HANDHELD TDS-3 TESTER HM Digital Handheld TDS Tester Model TDS-3
Ideal for commercial use. Includes a carrying case with belt clip.
Highly efficient and accurate due to its advanced microprocessor technology.
Hold Function: saves measurements for convenient reading and recording.
Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
Measurement Rang... ...more.
HM INLINE AQUAPRO TDS WATER TESTER HM Digital Aquapro TDS Water Tester Model AP-1
Measures total dissolved solids (TDS) and temperature.
Automatic Temperature Compensation (ATC)
Water-resistant housing
Measurement Range: 0-5000 ppm
Digital Calibration (push button)
Auto-off function, data-hold function and low-battery indicator.
Display: large and easy-to-read LCD screen includes simultaneous temperature read... Note: Calibration Buffer Solutions are available separately....more.
HM INLINE DUAL TDS MONITOR HM Digital In-Line Dual TDS Monitor Model DM-1
INLINE DUAL DM1 TDS MONITOR
Displays TDS levels of the feed water and product water with in & out electrode probes.
Highly efficient and accurate due to its advanced microprocessor technology.
Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use.
Dual Range 0-9990 ppm.
Fac... Note: Calibration Buffer Solutions are available separately....more.
HM WATERPROOF EC/TDS/TEMP COMBO METER HM Digital Waterproof EC-TDS-TEMP Combo Meter COM-100
Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature.
Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor.
Automatic Temperature Compensation (ATC) using three temperature coefficients.
Waterproof housing.
Measurement Range: 0-9990 µS; 0-8... ...more.
HM WATERPROOF PH METER HM Digital Waterproof pH Meter Model PH-200
Measures pH and Temperature.
Auto-ranging three point calibration with digital fine tuning.
Includes 4 pH buffer solution in a sponge embedded in a clear cap.
Waterproof housing.
Simultaneous temperature display.
Measurement Range: 0-14 pH.
Digital automatic calibration (one point), with digital fine tuning.
Auto-off funct... Note: Calibration Buffer Solutions are available separately....more.
HortiCare Nutrient Check PPM HortiCare Nutrient Check PPM (716021)HortiCare Nutrient Check PPM
The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. Each plant has its preferred nutrient concentration to facilitate the absorption process to the roots. Wrong concentration may result in wilting and suppresses p... ...more.
HortiCare pH Tester HortiCare pH Tester (716020)HortiCare pH Tester
The function of a nutrient solution or fertilizer mixture is to supply the plant roots with water, oxygen and essential mineral elements in soluble form. The pH of nutrient solution decides the availability and absorption of nutrients by each species of plant. Every plant species has a preferred pH range in which it will grow best.... Note: Calibration Buffer Solutions are available separately....more.
Meters, Timers & Instruments 
