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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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What do we have here?
Displaying 141 to 160 (of 285 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Replacement pH Sensor PH-200   HM Digital   Replacement pH Sensor PH-200 
HM Digital Meters Replacement pH Sensor PH-200 (HMDSPP2)This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features Glass pH sensor and reference tube and thermister. Manufacturer's Product Information MSRP each $49.95 Dimens... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDSPP2   $32.05 
 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   $50.55 
 Soil Test Kit.   Luster Leaf Products, Inc.   Soil Test Kit. 
Rapitest Garden Soil Test Kit. 4 Separate Tests (pH, Nitrogen, Phosphorus, Potassium)... — Ships from Portland, Oregon USA....more info.
 MI429   $17.01 
 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 SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 703120   $384.34 
 Bluelab Connect Stick   Bluelab   Bluelab Connect Stick 
Get connected - data log and view nutrient measurements from your crop wirelessly. The Bluelab Connect Stick receives wireless data from Bluelab Connect Monitors or Controllers, logging the data to the cloud. One Connect Stick will receive data from multiple Bluelab Connect Devices. Simply place the Connect Stick into a USB port on your computer, download and install the free Con... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BLU8002   $96.25 
 BLUELAB® TRUNCHEON™ SOIL pH REPLACEMENT PROBE (SPECIAL ORDER ONLY)   Bluelab   BLUELAB® TRUNCHEON™ SOIL pH REPLACEMENT PROBE (SPECIAL ORDER ONLY) 
For BlueLab Soil pH Meter SOIL PH METER REPLACEMENT PROBE ONLY(SO) About the 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 i... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716192   $70.58  $68.64 
 Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER)      Commercial Grade Combo pH/EC/TDS/Temp Meter (SPECIAL ORDER) 
Martini Instruments Commercial Grade Combo pH/EC/TDS/Temp Meter (MI805) (SPECIAL ORDER) Multi-range pH/EC/TDS and Temperature meter - 4-in-1 pH/EC/TDS/Temperature probe - The rugged MA851D/1 probe has been designed for heavy-duty applications (agriculture, industrial, etc.)RANGE:0.00 - 14.00 pH 0 - 3999 µS/cm 0 - 1999 ppm 0.0 - 60.0°C 32.0 - 140.0°... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MI805   $354.17 
 Digital Moisture Meter   Luster Leaf Products, Inc.   Digital Moisture Meter 
Luster Leaf Digital Moisture Meter (LL01825)This sleek updated design offers an instant and easy to read digital format. It checks soil moisture where it counts: at root level. Monitoring a plant's soil moisture level helps prevent over and / or under watering. Batteries required and included. Manufacturer's Product Information ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-LL01825   $9.23 
 Double Junction PH Probe for MW100   Milwaukee Instruments   Double Junction PH Probe for MW100 
Milwaukee Instruments Double Junction PH Probe for MW100 (MISE220)Double junction pH electrode with 1 meter ccable and gel filled electrolyte solution for all "MW" and old style "SM" pH units.**Note: This probe replaces the old MA911B/1 Manufacturer's Product Information ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MISE220   $41.05 
 HI1285-6 Replacement Probe.      HI1285-6 Replacement Probe. 
HI1285-6 Replacement Probe for NEW HI9813-6 (HY1743)... — Ships from Portland, Oregon USA....more info.
 HY1771   $118.60 
 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 SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716021   $54.49 
 MI SMS410 TDS MONITOR (1/CASE)   Milwaukee Instruments   MI SMS410 TDS MONITOR (1/CASE) 
Milwaukee TDS Monitor [model SMS410] SMS410 TDS MONITOR 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. 1500 ppm p... 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.
 716650   $60.31 
 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... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716108   $131.99 
 pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order)   Hanna Instruments   pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order) 
Hanna Instruments pH Combo Electrode Glass Body - Refillable Temp. Sensor (HI1292D)pH Combo Electrode Glass Body - Refillable Temp. Sensor Manufacturer's Product Information MSRP each $192.95 Dimensions2 x 2 x 10 Case Quantity1 ... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI1292D   $146.92 
 pH Test Kit, 1 oz   General Hydroponics   pH Test Kit, 1 oz 
General Hydroponics pH Test Kit, 1 oz (GH1515)pH test kit Contains pH test fluid and test strips Manufacturer's Product Information MSRP each $7.54 UPC793094015165 Dimensions1.7 x 6 x 1.2 Case Weight3 Case Quantity24 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1515   $4.83 
 PH/Temperature Meter   HM Digital   PH/Temperature Meter 
HM Digital Meters PH/Temperature Meter (HMDPHM80)pH/temperature meter. Manufacturer's Product Information MSRP each $62.95 Dimensions2.25 x 2.25 x 3.75 Case Weight3 Case Quantity10 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDPHM80   $40.42 
 SureTest pH Test Strip Kit 5.5 - 8.0 (litmus paper)      SureTest pH Test Strip Kit 5.5 - 8.0 (litmus paper) 
The SureTest™ Kit includes everything you need to test the pH of your water or nutrient solution. Includes 15 ft of pH dependent color changing paper. The testers have a pH range from 5.5 to 8.0 in either 0.2 or 0.3 increments. Full color chart to match your pH test results.... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716380   $6.73 
 T75 WATERPROOF TDS TESTER (1/CASE)   Milwaukee Instruments   T75 WATERPROOF TDS TESTER (1/CASE) 
Milwaukee Waterproof TDS Tester [model T75] T75 WATERPROOF TDS TESTER 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 $76.95 Case Weight0.71... 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.
 716605   $57.37 
 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: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDCOM100   $49.14 
 Bluelab Connect Range Extender   Bluelab   Bluelab Connect Range Extender 
Bluelab Connect Product Suite The Bluelab Guardian Monitor Connect, Bluelab Connect Stick, Bluelab Connect Range Extender and Bluelab Connect Software. The Bluelab Guardian Monitor Connect can connect wirelessly to a computer at the grow site via the Bluelab Connect Stick, which enables the data logging of pH, Conductivity and Temperature to the FREE Bluelab Connect Software, do... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716488   $105.23 
Displaying 141 to 160 (of 285 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
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