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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 21 al 40 (de 354 productos) Páginas de Resultados: [<< Anterior]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Siguiente >>] 
 Clase de Popularity-   Fabricante   Producto(s)   Modelo   Precio   Compre Ahora 
 24-7 Nutrient Monitor.   Control Wizard   24-7 Nutrient Monitor. 
The 24–7 Nutrient Monitor from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for easy access. Control Wizard has priced the new 24-7 Nutrient Monitor to ha... — Ships from Portland, Oregon USA Free Shipping when ordering $50 or more of qualifying items....more.
 CW511   $150.00 
 HANNA PH/EC/TDS TEMP CONTINUES COMBO METER (HI991404)   Hanna Instruments   HANNA PH/EC/TDS TEMP CONTINUES COMBO METER (HI991404) 
Hanna Grochek® Combo pH/EC/TDS/Temperature Monitor (Model HI 991404) The Combo HI 991404 meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. These microprocessor indicators continuously monitor the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. These indicators fea... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716800   $187.44 
 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 Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716160   $59.95 
 pHydrion Litmus Paper. (ph Test Strip)      pHydrion Litmus Paper. (ph Test Strip) 
pHydrion PAPERS. LITMUS PAPER ROLL (LIQUIDS ONLY) Range of 5.5-8.0... — Ships from Portland, Oregon USA...more.
 HY187   $12.95 
 RAPITEST MINI PH TESTER (12/CASE)   Luster Leaf Products, Inc.   RAPITEST MINI PH TESTER (12/CASE) 
Rapitest Mini pH Tester [model 1815] RAPITEST MINI PH TESTER (12/CA Tests the acidity of soilCheck which plants suit your soilEnables you to alter soil conditionsUse for fruits, flowers, shrubs and vegetablesNo batteries required Manufacturer's Product Information 2007 MSRP Each $8.95 Case Weight2.31 L... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716753   $6.44 
 FH TRI-METER CONTINUOUS MONITOR #202 PPM/pH/TEMPERATURE   FHD (Future Harvest Development)   FH TRI-METER CONTINUOUS MONITOR #202 PPM/pH/TEMPERATURE 
Tri-Meter Continuous Monitor (PPM/pH/Temp) TRI-METER(PPM/PH/TEMP) #202 15/CASE This meter gives you the ability to monitor pH level, Nutrient Levels in PPM and Nutrient Temperature.This continuous monitoring system requires no batteries, just plug it in to an AC wall receptacle and the meter will remain in a calibration mode for months. The Nutradip® Tri-Meter, with automati... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716315   $174.94 
 pH Control Kit   General Hydroponics   pH Control Kit 
pH Control Kit (eco-5518)pH Control Kit Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liq... — Ships from Seattle, Washington USA...more.
 eco-5518   $10.75 
 FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE   FHD (Future Harvest Development)   FH TRI-METER CONTINUOUS MONITOR #204 EC/pH/TEMPERATURE 
Tri-Meter Continuous Monitor (EC/pH/Temp) TRI-METER(EC/PH/TEMP) #204 15/CASE This meter gives you the ability to monitor pH level, Nutrient Levels in EC and Nutrient Temperature.This continuous monitoring system requires no batteries, just plug it in to an AC wall receptacle and the meter will remain in a calibration mode for months. The Nutradip® Tri-Meter, with automatic t... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716310   $247.45 
 BLUELAB® SOIL pH METER   Bluelab   BLUELAB® SOIL pH METER 
BlueLab Soil pH Meter SOIL PH METER If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need! Our meter can be used by everybody from the home enthusiast to commercial growers. 5 year Bluelab® Guarantee (6 month for probe). Quality soil pH probe included. Supplied in a lockable protective case. Calibration soluti... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA Free Shipping when ordering $50 or more of qualifying items....more.
 716190   $178.75 
 Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129)   Hanna Instruments   Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) 
Hanna Combo Pen - pH/EC/TDS/Temp. (HI 98129) (eco-5529C)Combo pH/EC/TDS/C/PPM Tester Dual-level LCD Replaceable pH Electrode Cartridge Automatic Calibration Hanna Combo Pen The HI 98129 combo waterproof testers offer the highest accuracy in measurements with a single tester. Will measure pH, EC/TDS and temperature. SKU: HI98129 Weight: 1.0 lbs. Package Dim... — Ships from Seattle, Washington USA Free Shipping when ordering $50 or more of qualifying items....more.
 eco-5529C   $146.19 
 HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE   Hanna Instruments   HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE 
Hanna 1500PPM and 1413 uS-CM Calibration Solutions MSRP: $19.49... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716860   $16.85 
 Tower of Power 6 Outlet Surge Protector   HydroFarm   Tower of Power 6 Outlet Surge Protector 
Tower of Power (eco-4529)Tower of Power Hydrofarm’s Tower of Power Introducing Tower of Power -The Remedy for Packed Power StripsSay goodbye to over-crowded, under-utilized power strips. Hydrofarm's TOWER OF POWER offers 6 outlets with enough room to accommodate even the bulkiest timers and adapters. The Tower of Power will handle all you can throw at it. In your home office i... — Ships from Seattle, Washington USA...more.
 eco-4529   $29.96 
 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... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716106   $66.44 
 pH Checker 1.   Hanna Instruments   pH Checker 1. 
HANNA pH CHECKER 1 (LIQUIDS ONLY) Digital readout.Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.... — Ships from Portland, Oregon USA...more.
 HY1861   $39.95 
 Accurate pH 7.   Control Wizard   Accurate pH 7. 
Control Wizard Products is now introducing its Accurate pH 7 pH-moisture meter for soil growers. Until now, soil growers with the need to keep careful tabs on the pH of their soil have had to rely on either cheap and hokey junk meters or meters that are very expense and hard to get. This new meter is the best of both worlds. It is relatively inexpensive and is manufactured to high ... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA...more.
 CW520   $48.75 
 MI MA850 REPLACEMENT PROBE FOR SM802 (1/CASE)   Milwaukee Instruments   MI MA850 REPLACEMENT PROBE FOR SM802 (1/CASE) 
Milwaukee Smart pH/EC/TDS Combination Meter [model SM802] (MA850) REPLACE.PROBE/SM802 Model SM802 Smart pH/EC/TDS combination meter, range: 0.00 to 14.00 pH, 0 - 4000 ppm, 0.00 - 6.00 mS/cm, accuracy of 0.20 pH and 2% full scale for EC and TDS. Supplied with a MA850 combination electrode, 9v battery, 20ml packet buffer solution of pH 7.01, 1500 ppm and 1413 S/cm. ... This item is sold individually. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716616   $84.81 
 CW 24-7 pH REPLACEMENT PROBE   Control Wizard   CW 24-7 pH REPLACEMENT PROBE 
24-7 Nutrient Monitor 24-7 PH REPLACEMENT PROBE The 24-7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for easy access. 6 month l... Note: Calibration Buffer Solutions are available separately. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716573   $44.94 
 HM WATERPROOF PH METER   HM Digital   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. — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 716165   $79.95 
 Bond Moisture Meter      Bond Moisture Meter 
Bond Moisture Meter Measures moisture content of soil. Lets you know when to water. No batteries needed. For indoor or outdoor use.... — Ships from Ontario, CA, Samoa, CA, Livermore, CA, Vancouver, WA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, and/or Pompano Beach, FL USA...more.
 740860   $5.19 
 Hanna COMBO Tester (HI98129).   Hanna Instruments   Hanna COMBO Tester (HI98129). 
The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensati... — Ships from Portland, Oregon USA Free Shipping when ordering $50 or more of qualifying items....more.
 HY1741   $172.95 
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