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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 81 to 100 (of 316 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Probe pH Electrode   FHD (Future Harvest Development)   Probe pH Electrode 
Nutradip (Tri Meter) Probe pH Electrode (ND1100053)Nutradip pH Probes are a reliable way to measure acidity in your nutrient solution. This probe is a continuous monitoring pH meter with automatic temperature compensation, with DC power built in for portability. Nutradip probes are engineered for accuracy and durability, helping growers measure and monitor their success for over 15... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-ND1100053   $45.82 
 RAPITEST pH SOIL TESTER (12/CASE)   Luster Leaf Products, Inc.   RAPITEST pH SOIL TESTER (12/CASE) 
Rapitest pH Soil Tester [model 1612] PH SOIL TESTER (12/CASE) Kit includes: color comparator, 10 pH test capsules, complete instructions for adjusting soil pH and pH preferences list for over 450 plants for the home, yard and garden. All you do is put a sample of soil into the comparator, add powder capsule, add water, shake and watch the color develop. Then, note your result... 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.
 716755   $4.08 
 CW EC DIPSTICK   Control Wizard   CW EC DIPSTICK 
Control Wizard Dipstick DIPSTICK METERS New name! New label! Same easy to use meter! Now with the 4 most popular scales: EC, CF, 500:1ppm, and 700:1ppm! The E.C. Dipstick dissolved salts pen operates on 3 common inexpensive AA alkaline batteries. Measures in PPM, EC and CF scales.There is no calibration required. It calibrates itself each time you replace the batteries. It is... — 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.
 716570   $44.08 
 Grocheck Combo Meter.   Hanna Instruments   Grocheck Combo Meter. 
HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA....more info.
 HY177   $218.97 
 pH Test Indicator 8 oz   General Hydroponics   pH Test Indicator 8 oz 
General Hydroponics pH Test Indicator 8 oz (GH1516)Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution. Manufacturer's Product Information MSRP each $10.76 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-GH1516   $7.48 
 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   $55.06 
 Hanna Conductivity Soil Test Pen (HI 98331)   Hanna Instruments   Hanna Conductivity Soil Test Pen (HI 98331) 
Hanna Conductivity Soil Test Pen (HI 98331) (eco-5523A)Hanna Soil Test Pen - The HI 98331 takes quick and accurate readings directly in soil. It is the only meter available that will take conductivity readings directly from the soil without creating a soil solution for testing. The meter also measures temperature and the conductivity readings are compensated for temperature... — Ships from Seattle, Washington USA....more info.
 eco-5523A   $102.02 
 HM DIGITAL PH 80   HM Digital   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. — 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.
 716155   $43.39 
 HM INLINE DUAL TDS MONITOR   HM Digital   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. — 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.
 716186   $28.93 
 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. — 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   $55.05 
 MI MW100 (was SM100) PORTABLE PH METER (1/CASE)   Milwaukee Instruments   MI MW100 (was SM100) PORTABLE PH METER (1/CASE) 
Portable pH Meter Model MW100 The MW802 is a compact portable meter with faster micro processor. This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Other features include 100% larger and easier to read LED Display and long battery life. pH meter, range: 0.0 to 14.0, with 2 point manual calibration, and accuracy of ± 0.2 pH. Supplie... Note: Calibration Buffer Solutions are available separately. 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.
 716665   $82.37 
 Active Air 2-Way Meter (12/case)   HydroFarm   Active Air 2-Way Meter (12/case) 
Active Air 2-Way Meter (12/case) (eco-2373)2-Way Moisture/pH Meter Active Air™ Environment Meters Gardeners can conveniently test their moisture, and pH levels with the handy ActiveAir 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), and pH readings between pH 0 (acidic) and pH 10 (basic) are represented. The durable, easy-to-read tester is suita... This item is sold individually. — Ships from Seattle, Washington USA....more info.
 eco-2373   $4.64 
 Bluelab Guardian Monitor Connect   Bluelab   Bluelab Guardian Monitor Connect 
Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and temperature readings. The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You can access the ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU8001   $312.66 
 Bluelab Soil pH Pen   Bluelab   Bluelab Soil pH Pen 
Bluelab Bluelab Soil pH Pen (BLU2216)A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH lev... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2216   $129.00 
 Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N)   Hanna Instruments   Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N) 
Hanna Combo Meter HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the... — Ships from Seattle, Washington USA....more info.
 eco-5528A   $198.48 
 HANNA REPLACEMENT PROBE (HI1285-0) Special Order   Hanna Instruments   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... — 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.
 716836   $107.81 
 Milwaukee SE600 Replacement Probe for MW802   Milwaukee Instruments   Milwaukee SE600 Replacement Probe for MW802 
Smart pH/EC/TDS Combo. Meter Model MW802Milwaukee SE600 Replacement Probe for MW802 (716617)The MW802 is a compact portable meter with faster micro processor. This meter allows you to measure pH, EC and TDS with just one instrument and one single probe! This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Also has 100% larger and easi... — 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.
 716617   $77.89 
 Moisture Meter.      Moisture Meter. 
RAPITEST MOISTURE METER (PROBE TYPE)... — Ships from Portland, Oregon USA....more info.
 MI210   $16.73 
 Accurate pH 1.   Control Wizard   Accurate pH 1. 
This is the Accurate pH 1. The Accurate pH 1 meter has clearly been manufactured to compete in the market place for entry-level growers. Control Wizard should do well against competitor models, as this meter is stylish, gives solid readings and has a good feel in the hand. It has a two-point calibration process that is easy to do and takes little time. This meter reads in pH points... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW500   $27.96 
 Accurate pH 2.   Control Wizard   Accurate pH 2. 
This is the Accurate pH 2. This meter is a step up from Control Wizard Products' Accurate pH 1 meter with readings that show pH in whole and tenths of a pH point. It has a two-point calibration process that is easy to do and takes little time. This calibration process requires the pH 4.0 and pH 7.0 calibration solutions (Sold Separately).It has a temperature compensation feature an... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW502   $36.27 
Displaying 81 to 100 (of 316 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
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