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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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Displaying 1 to 20 (of 355 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 Agrowtek Grow Control Hydro Sensor Kit w/ Probes (pH/EC/Temp)      Agrowtek Grow Control Hydro Sensor Kit w/ Probes (pH/EC/Temp) 
Agrowtek GrowControl Hydro Sensor Kit w/ Probes SNS-H GrowControl™ Hydroponics sensor kit includes pH, electrical conductivity and temperature sensors for monitoring nutrient reservoirs and operating dosing pumps for automatic nutrient and pH control. GC-Pro & GC-ProXL dose up to eight parts nutrients and two parts pH per kit for re-circulating and drain-to-waste systems. 15 ft se... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 703120   $428.40 
 MA812D/2 REPLACEMENT PROBE  FOR SMS410 (1/CASE)   Milwaukee Instruments   MA812D/2 REPLACEMENT PROBE FOR SMS410 (1/CASE) 
Milwaukee TDS Monitor [model SMS410] MA812D/2 REPLACEMENT PROBE TDS monitor, range: 0-1990 ppm with accuracy of 2% full scale and with 1 point manual calibration and automatic temperature compensation. Set point range 700 to 1800 ppm, and led visual alarm active when reading is lower than set point. Supplied with 12v DC power adapter, MA812B/2 conductivity probe and 20ml. 15... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 706651   $35.76 
 Dosatron Nutrient Delivery System - Start Kit      Dosatron Nutrient Delivery System - Start Kit 
Protect your Dosatron Nutrient Delivery System with all the necessary accessories for a successful installation. Includes incoming on/off ball valve, an in-line pre-filter with 200 mesh (80 micron) screen, a pressure regulator with gauge, a fresh water test port, a check valve and all necessary 3/4 in plumbing connections to put it all together.... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709008   $171.65 
 Dosatron Nutrient Delivery System - Mixing Chamber Kit (SPECIAL ORDER)      Dosatron Nutrient Delivery System - Mixing Chamber Kit (SPECIAL ORDER) 
A well blended solution is key to a successful dosing system. One way to get that homogenized blend is to add a mixing chamber to the Nutrient Delivery System. This kit includes the mixing chamber and all necessary plumbing connections to install into the system.... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709010   $65.56 
 Dosatron Nutrient Delivery System - EC (PPM) / pH / Temp Monitor Kit (Special Order)      Dosatron Nutrient Delivery System - EC (PPM) / pH / Temp Monitor Kit (Special Order) 
Knowing the EC/ppm, pH and temperature that the Nutrient Delivery System is providing to the crop will give the grower the confidence that the plants will receive the proper nutrition that they require. By installing the in-line Guardian Monitor with mixing chamber kit, the grower can be assured of a well-blended solution with an easy-to-read display. Includes a mixing chamber, the... Note: Calibration Buffer Solutions are available separately. — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709012   $694.94 
 Dosatron In-Line Guardian Monitor Kit - No Mixing Chamber (Special Order)      Dosatron In-Line Guardian Monitor Kit - No Mixing Chamber (Special Order) 
Includes the Guardian Monitor with in-line ppm/temperature and pH probes and all necessary plumbing connections to install into the system.... — Ships separately from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709014   $551.90 
 Dosatron In-Line Filter Kit w/ Unions - 3/4 in (200 Mesh / 80 Micron)      Dosatron In-Line Filter Kit w/ Unions - 3/4 in (200 Mesh / 80 Micron) 
Inline filter kit includes a cleanable, permanent, stainless steel filter that is a 200 mesh/80 micron. The inline connecters are 3/4 in FPT by 3/4 in FPT. No replacement cartridges necessary.... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709016   $30.99 
 Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT)      Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT) 
Pressure reducing valves are devices which, when installed on water systems, decrease the pressure from incoming water lines. 3/4 in NPT female inlet and outlet, working pressure: 15-87 psi, max incoming pressure: 230 psi. Max temp: 140 °F. Chrome plated brass body with 2 in face.... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709018   $116.82 
 Dosatron Flow Restrictor - 3/4 in 10 GPM - D25 Series      Dosatron Flow Restrictor - 3/4 in 10 GPM - D25 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709020   $46.49 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709022   $56.02 
 Dosatron Mini Seal Kit for Water Powered Doser 11 GPM 1:1000 to 1:112      Dosatron Mini Seal Kit for Water Powered Doser 11 GPM 1:1000 to 1:112 
Mini-maintenance seal kit for D25RE09 VF - should be replaced on an annual basis if unit is used on a regular basis all year.... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 709024   $41.72 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716010   $64.31 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716020   $54.77 
 HortiCare Nutrient Check PPM   Trans Instruments   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... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716021   $58.35 
 HortiStck 3 in 1 Multimeter   Trans Instruments   HortiStck 3 in 1 Multimeter 
HortiStck 3 in 1 Multimeter (716023)HortiStick 3-in-1 Multimeter The HortiStick 3-in-1 brings the best of technology into one sleek meter. It combines the measurement of the three most crucial parameters needed for a successful harvest: pH, Conductivity, and Temperature. Package content: 1x Main Unit, 1x Hand Strap, 1x Replaceable Probe, 1x Operations Manual, 4x AA Size Batterie... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716023   $142.98 
 HortiStick Replacement Probe   Trans Instruments   HortiStick Replacement Probe 
HortiStick Replacement Probe (716024)HortiStick Replacement Probe ONLYFOR HortiStick 3-in-1 Multimeter About the HortiStick 3-in-1 brings the best of technology into one sleek meter. It combines the measurement of the three most crucial parameters needed for a successful harvest: pH, Conductivity, and Temperature. Package content: 1x Main Unit, 1x Hand Strap, 1x Replaceable Prob... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716024   $83.38 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716037   $55.19 
 OAKTON WATERPROOF pH TESTER 10   Oakton   OAKTON WATERPROOF pH TESTER 10 
Oakton Waterproof Double Junction pHTestr® 10 Large Display WATERPROOF PH TESTER 10 Automatic Temperature Compensation (ATC)Push-button three-point calibrationMicroprocessor-basedAuto buffer recognitionHold functionCertifiable to IP67 standardspH range - 1.0 to 15.0 pHReplaceable double junction electrode... use Testr body many times over, which saves you money ... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716046   $99.11 
 REPLACEMENT ELECTRODE REPLACEMENT FOR OAKTON ULTRA BASIC WATERPROOF pH TESTER (35624-09)   Oakton   REPLACEMENT ELECTRODE REPLACEMENT FOR OAKTON ULTRA BASIC WATERPROOF pH TESTER (35624-09) 
Oakton® Ultra Basic pHTestr® ELECTRODE REP. FOR PH 1 & ULTR NEW!Waterproof, dustproof and floatsReplaceable electrode lets you reuse same meter body, saving you moneyPush-button one-point calibrationMicroprocessor-based auto buffer recognitionHold function; auto-off; error messagesCertifiable to IP67 standardsSingle junction-1 to 15.0 pH Man... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716047   $73.07 
 OAKTON WATERPROOF pH TESTER 30   Oakton   OAKTON WATERPROOF pH TESTER 30 
Oakton Waterproof Dbl Junction pHTestr® 30 w Temperature WATERPROOF PH TESTER 30 Dual Display of pH & TemperatureHigh 0.01 pH accuracy Simultaneous pH and temperature (C) displaypH range - 1.0 to 15.0 pH Three point push-button calibrationDouble junction electrode ideal for dirty water, heavy sulfides and organicsIncreased reference gel volume offers significantly ... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716048   $120.09 
Displaying 1 to 20 (of 355 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
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Spectralux T5 54 Watt HO Lamp 4 ft Blue 6500K (25/Cs)
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