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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 16 (of 260 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 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. FREE shipping when ordering $75 or more of qualifying items....more.
 706651   $49.95 
 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 ... ...more.
 716010   $67.93 
 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....more.
 716020   $47.94 
 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... ...more.
 716021   $51.54 
 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... ...more.
 716023   $131.43 
 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... ...more.
 716024   $83.94 
 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. FREE shipping when ordering $75 or more of qualifying items....more.
 716037   $70.78 
 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....more.
 716046   $99.30 
 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....more.
 716047   $71.60 
 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....more.
 716048   $118.90 
 COMMERCIAL TRUNCHEON METER (EC/PPM)   Bluelab   COMMERCIAL TRUNCHEON METER (EC/PPM) 
Bluelab Commercial Truncheon® EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale) Fully waterproof Factory calibrated Auto sense on and off No external switches or adjustable buttons Battery life minimum 1 year (or shelf life of battery) 5 year Bluelab guarantee The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... ...more.
 716049   $98.75 
 ORIGINAL TRUNCHEON METER MEASURE EC AND PPM   Bluelab   ORIGINAL TRUNCHEON METER MEASURE EC AND PPM 
Original Truncheon™ Meter TRUNCHEON METER (EC/PPM) Features of this reliable meter include: EC, CF and ppm scales, factory calibrated, fully waterproof, auto turn on and off. It is powered by three standard AA batteries. There are no external switches or adjustment knobs. 5 year Bluelab® Guarantee (1 year for probe). Manufacturer's Pro... ...more.
 716050   $94.95 
 REPLACEMENT CONTACT RINGS FOR pH TRUCHEAN METER (3 PER PACK) Special Order   Bluelab   REPLACEMENT CONTACT RINGS FOR pH TRUCHEAN METER (3 PER PACK) Special Order 
pH Truncheon™ Meter PH TRUNCHEON CONTACT RINGS ( 3 PACK) With its easy to read illuminated display, one-touch calibration system, super clear instructions and no buttons to push, measuring pH just got a whole lot simpler. The flashing lights you love so much; the easiest calibration system ever; reliability only Bluelab® products can provide; longest lasting probe ... Note: Calibration Buffer Solutions are available separately....more.
 716054   $144.95 
 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)... ...more.
 716104   $48.45 
 WATERPROOF ECOTESTR 2   Oakton   WATERPROOF ECOTESTR 2 
Oakton® EcoTestr™ PH2 Automatic temperature compensation Waterproof, dust proof housing that floats Easy to use, push-button calibration with auto buffer recognition Low-cost pocket-sized meter 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 (includ... ...more.
 716106   $63.67 
 OAKTON MULTI PTTESTER 35 (PH/TDS/TEMP)   Oakton   OAKTON MULTI PTTESTER 35 (PH/TDS/TEMP) 
Oakton® MULTI PT Testr 35 One pocket sized meter for pH, TDS and temperature! Up to 5 point pH calibration with NIST or USA auto buffer recognition. Great for water, laboratory or plant use, this multi Testr features single-junction pH electrodes for longer life and wider range of sample compatibility. Pin-style conductivity sensors feature stainless steel electrodes for chem... ...more.
 716108   $132.95 
Displaying 1 to 16 (of 260 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  12 ...  [Next >>] 
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PH600-AQ PH METER 10/CS
DO NOT BUY THIS! I don't usually write reviews calling an it ..
1 of 5 Stars!
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INVENTORY BLOWOUT SALE
MANY ITEMS FAR BELOW COST - while quantities last

10" REPLACEMENT ACTIVE CARBON INSERT 2/PK
10" REPLACEMENT ACTIVE CARBON INSERT 2/PK
$15.01
$9.10
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