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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Viendo del 121 al 140 (de 315 productos) Páginas de Resultados: [<< Anterior]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Siguiente >>] 
 Clase de Popularity   Fabricante   Producto(s)   Modelo   Precio+   Compre Ahora 
    Hanna Instruments   Replacement probe for Dist 5 (HI 73311) 
Replacement probe for Dist 5 (HI 73311) (eco-5522E)Replacement probe for Dist 5 (HI 73311) Manufacturer's Product Information MSRP $59.95 ... — Ships from Seattle, Washington USA....more info.
 eco-5522E   $50.10 
 Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130   Hanna Instruments   Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 
Hanna Instruments Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 (HI73127)Replacement pH Electrode for HI98127, HI98128, HI98129, & HI98130 Manufacturer's Product Information MSRP each $62.95 Dimensions4 x 1 x 14 ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI73127   $51.15 
 Waterproof EcoTster pH1   Oakton   Waterproof EcoTster pH1 
Oakton Waterproof EcoTster pH1 (OK35423-00)Ideal for Student, Hydroponics, and Hobbyist use! Economical, pocket sized meter is perfect for less demanding applications Waterproof, dustproof housings float Easy to use; push-button calibration with auto buffer recognition Includes transparent electrode cover / sample cup Push-button calibration, HOLD function, and error messagesOAKT... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK35423-00   $51.15 
 WATERPROOF ECOTESTR 1   Oakton   WATERPROOF ECOTESTR 1 
Oakton® EcoTestr™ PH1 Economical, pocket-sized meter Waterproof, dust proof housing that floats Easy to use; push-button calibration with auto buffer recognition Includes transparent electrode cover / sample cup Push-button calibration, HOLD function, and error messages Range: 0.0 to 14.0 pH Power: four 1.5 V button cell batteries (included)... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716104   $52.31 
 pH Controller Sampling Kit   HydroFarm   pH Controller Sampling Kit 
Autopilot pH Controller Sampling Kit (APCEPH1SK)pH sampling assembly, allows for more accurate readings. Sampling kit includes a submersible pump, 3/4" x 5' tubing and molded sensor assembly with mounting bracket. The sampling assembly provides a stable method to mount the pH and temperature sensors. It uses a submersible pump to mix the water and to provide constant water fl... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-APCEPH1SK   $52.52 
 Replacement Probe for GroChek.   Hanna Instruments   Replacement Probe for GroChek. 
Replacement Probe for Hanna Gro Chek meter series. HI1286 PROBE FOR HI981401Replacement Probe for Hanna Grow Check meter series. This will replace the pH elecrtrode in all models of the Grow Check.... — Ships from Portland, Oregon USA....more info.
 HY1801   $52.88 
 HM WATERPROOF EC/TDS/TEMP COMBO METER   HM Digital   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... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716160   $53.67 
 Waterproof EC/TDS/Temp Combo Meter   HM Digital   Waterproof EC/TDS/Temp Combo Meter 
HM Digital Meters Waterproof EC/TDS/Temp Combo Meter (HMDCOM100) Measures EC, TDS and temperature. It has three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor, and Automatic Temperature Compensation (ATC) using three temperature coefficients. Measurement Range: 0-9990 uS; 0-8560 ppm (auto ranging). ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMDCOM100   $53.67 
 REPLACEMENT ELECTRODE REPLACEMENT FOR OAKTON BASIC WATERPROOF pH TESTER (35624-29)   Oakton   REPLACEMENT ELECTRODE REPLACEMENT FOR OAKTON BASIC WATERPROOF pH TESTER (35624-29) 
Oakton® Basic pHTestr® ELECTRODE REPLACEMENT FOR PH 2 NEW!Waterproof, dustproof & floatsAutomatic Temperature Compensation (ATC)Replaceable electrode lets you reuse same meter bodyPush-button three-point calibration Hold function; auto-off; error messagesAuto buffer recognitionCertifiable to IP67 standardsSingle junction-1 to 15.0 pH ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716037   $54.08 
 Accurate pH 8.      Accurate pH 8. 
Accurate pH 8Professional pH and Moisture Meter with 12” Probe.Now You can check soil pH at multiple depths!! The probe is 12” long for extra large planters.Operation is simple. Clean the electrodes and place the meter into the soil. A pH reading is automatically displayed. Press the white button and a moisture reading is displayed. Clean the electrodes before each use. It works by... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW525   $54.14 
 Dosatron Flow Restrictor - 3/4 in 14 GPM - D14 Series      Dosatron Flow Restrictor - 3/4 in 14 GPM - D14 Series 
Flow Restrictors limit the flow of liquid in the line. It is recommended to install a flow restrictor on the inlet side of the Dosatron unit if there is any possibility of overflowing the unit. Choose from 3/4 in 10 GPM or 3/4 in 14 GPM.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 709022   $54.90 
 MI MA73075 REPLACEMENT PROBE FOR T75 (1/CASE)   Milwaukee Instruments   MI MA73075 REPLACEMENT PROBE FOR T75 (1/CASE) 
Milwaukee Waterproof TDS Tester [model T75] (MA73075)REPLACE.PROBE/T75 Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe. Manufacturer's Product Information 2007 MSRP Each $52.95 Case Weigh... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716606   $55.07 
 Oakton Replaceable Electrodes pH WP 2 Pen   Oakton   Oakton Replaceable Electrodes pH WP 2 Pen 
Oakton Oakton Replaceable Electrodes pH WP 2 Pen (OK3562429)This part number is just for a replacement electrode for your Oakton pH WP 2 pen, not the actual unit itself. Optimize nutrient strength during growth, flowering, and fruiting. Reliable waterproof, dustproof housing and replaceable electrode provide long life and value, meaning you won't need to invest in or... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3562429   $55.35 
 HortiCare pH Tester   Trans Instruments   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. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716020   $56.01 
 EC SHAKE™ NUTRIENT METER      EC SHAKE™ NUTRIENT METER 
EC Shake™ Nutrient Meter EC SHAKE METER This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to power this simple, yet sophisticated meter. With just a few easy steps you will get a quick & accurate reading of the electrical conductivity (EC) of your nutrient solution. This patented meter will completely ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716010   $56.02 
 MI SM401 PORTABLE TDS METER (1/CASE)   Milwaukee Instruments   MI SM401 PORTABLE TDS METER (1/CASE) 
Milwaukee Portable TDS Meter [model SM401] SM401 PORTABLE TDS METER Model SM401 TDS meter - Range: 0.0 - 1990 ppm - with automatic temperature compensation and 1 point manual calibration supplied with MA811D/1 TDS probe, 9v battery, 20ml 1382 ppm packet buffer solution and screwdriver for calibration. Manufacturer's Product Information ... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716655   $56.06 
 CW DIPSTICK   Control Wizard   CW DIPSTICK 
DigiStick™ DIGI STICK The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro conductivity of the nutrient solution or water sample and automatically freezes the display reading. PPM, EC and CF scales are easily accessed by easy to read buttons. Cutting edge electronic circuitry keep... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716571   $56.65 
 Oakton Low/High/EC High Replacement Sensor   Oakton   Oakton Low/High/EC High Replacement Sensor 
Oakton Oakton Low/High/EC High Replacement Sensor (OK3566117)Purchase this replacement sensor for your Oakton Low/High/EC High tester and keep your instrument running in the most efficient shape possible. Note that this is a replacement sensor; purchase the Oakton device separately. Replacement sensors and solutions: OK-35661-17 for TDS tester Low, High, ECTestr High OK-35653-13 ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3566117   $56.75 
 Replacement ph Probe Electrode for HI98129 and HI98127.   Hanna Instruments   Replacement ph Probe Electrode for HI98129 and HI98127. 
Hanna Replacement pH Probe for HI98129 EC/TDS/PH/TEMP, and HI98127 (pHep®4 pH Tester) PH meters.Hanna Product Number HI73127... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY17411   $57.70 
 Accurate pH 5   Control Wizard   Accurate pH 5 
This rugged fixed electrode pH meter fits nicely in the hand and has upgraded electronics for fast and stable readings even when near electromagnetic fields. The 2 point (pH 4 and pH 7) calibration screws are located on the back and in the battery compartment. The meter has an auto OFF function and power saver circuitry for reliable readings time after time. It uses four 1.5 volt b... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW497   $57.70 
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