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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 21 to 40 (of 347 products) Result Pages: [<< Prev]   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 
 GroChek replacement probe for HI9813   Hanna Instruments   GroChek replacement probe for HI9813 
Hanna Instruments GroChek replacement probe for HI9813 (HI1285)Keep your GroChek HI9813 pH temperature meter running strong with a companion replacement probe. The probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions. The meter this probe supports is a versatile, water resistant, multiparameter portable instrument specifically designed for ag... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI1285   $99.00 
 Primo TDS Tester   Hanna Instruments   Primo TDS Tester 
Hanna Instruments Primo TDS Tester (HIPRIMO)Primo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HIPRIMO   $29.18 
 Waterproof pH/Temperature Meter   HM Digital   Waterproof pH/Temperature Meter 
HM Digital Meters Waterproof pH/Temperature Meter (HMDPH200)FEATURES 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, so you can see if it's dried up Waterproof housing Simultaneous temperature display Measurement Range: 0-14 pH Digital Calibration (push button) Auto-off f... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HMDPH200   $71.21 
 Bluelab Meter Carry Case   Bluelab   Bluelab Meter Carry Case 
Bluelab Bluelab Meter Carry Case (BLU7000)Bluelab is excited to introduce a new accessory which makes transporting and using their Meters even easier! The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially ma... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-BLU7000   $17.81 
 Commercial Truncheon Meter   Bluelab   Commercial Truncheon Meter 
Bluelab Commercial Truncheon Meter (BLU2100E)Big jobs require a big Truncheon! With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or CF requirement during their growing cycle. It's super tough, fully waterproof, has no o... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-BLU2100E   $99.75 
 Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER)   Hanna Instruments   Conductivity/TDS Probe for Soil Measurement of HI993310 (SPECIAL ORDER) 
Hanna Instruments Conductivity/TDS Probe for Soil Measurement of HI993310 (HI76305)(SPECIAL ORDER) Stainless steel conductivity probe with internal temperature sensor, DIN connector and 1 m (3.3') cable for direct soil measurement. For use with HI993310 only.   Manufacturer's Product Information ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI76305   $111.83 
 Cont. pH/TDS/temp Monitor (Special Order)   Hanna Instruments   Cont. pH/TDS/temp Monitor (Special Order) 
Hanna Instruments Cont. pH/TDS/temp Monitor (HI9815045)Designed for continuous monitoring of pH, TDS, and temperature, the monitor is simple to install and can be placed above the sample to be tested. pH, TDS, and temperature measurements are simultaneously displayed on three backlit LCDs which can be easily viewed at a distance - even in low light. No more switching between parame... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI9815045   $180.23 
 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 Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-LL01825   $10.21 
 Digital Soil Thermometer   Luster Leaf Products, Inc.   Digital Soil Thermometer 
Luster Leaf Digital Soil Thermometer (LL01625)Improve your seedling and transplanting results by planting at the safe and proper soil temperature. Readings in Fahrenheit. Manufacturer's Product Information MSRP each $14.45 UPC035307018250 Dimensions4 x 1.54 x 12.75... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-LL01625   $12.35 
 Dissolved Oxygen Meter   Milwaukee Instruments   Dissolved Oxygen Meter 
Milwaukee Instruments Dissolved Oxygen Meter (MISM600)Entry level, inexpensive Dissolved Oxygen Portable Meter for fast and reliable results. The MISM600 is a compact Portable Dissolved Oxygen meter with Faster Micro Processor. This handy and ergonomically designed portable meter is ideal for anyone working on alow budget and still requires fast and reliable measure-ments. This por... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-MISM600   $202.31 
 DiST 1 TDS Tester   Hanna Instruments   DiST 1 TDS Tester 
Hanna Instruments DiST 1 TDS Tester (HI98301)DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the pr... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI98301   $55.54  $51.35 
 Gro'chek replacement probe for HI9813-6   Hanna Instruments   Gro'chek replacement probe for HI9813-6 
Hanna Instruments Gro'chek replacement probe for HI9813-6 (HI1285-6)Gro'chek Replacement Probe for H19813-6 Manufacturer's Product Information MSRP each $138.95 Dimensions2 x 2 x 9.6 Case Quantity1 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI1285-6   $99.00 
 GroChek pH & TDS Combo Continuous Reading Meter   Hanna Instruments   GroChek pH & TDS Combo Continuous Reading Meter 
Hanna Instruments GroChek pH & TDS Combo Continuous Reading Meter (HI981404N)This continuous reading meter is ideal for agricultural, horticultural, and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCDs. The gel-filled... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI981404N   $150.30 
 GroChek pH/EC/TDS/C Portable meter   Hanna Instruments   GroChek pH/EC/TDS/C Portable meter 
Hanna Instruments GroChek pH/EC/TDS/C Portable meter (HI9813-6N)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 ... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI9813-6N   $202.31 
 Hydroponic Essentials pH Test Kit   HydroFarm   Hydroponic Essentials pH Test Kit 
Hydroponic Essentials Hydroponic Essentials pH Test Kit (ESPHTEST)(Wide Spectrum) Measures 3-10 pH. The Hydroponic Essentials pH test kit is good for 150 tests. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3-10 measuring in 0.1 increments. Manufacturer's Produc... Note: Calibration Buffer Solutions are available separately. — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-ESPHTEST   $4.25 
 Nutra-Dip continuous Tri meter (pH, EC & Temperature)   FHD (Future Harvest Development)   Nutra-Dip continuous Tri meter (pH, EC & Temperature) 
Nutradip (Tri Meter) Nutra-Dip continuous Tri meter (pH, EC & Temperature) (ND1100044)The Nutradip Tri-Meter combines the technology of the pH and TDS meters and addresses an additional key factor in hydroponic growing, the temperature. Temperature in a nutrient solution is often wrongly overlooked. The temperature variance in a growing operation can significantly restrict th... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-ND1100044   $166.69 
 Nutradip continuous pH/PPM(442)/Temp meter   FHD (Future Harvest Development)   Nutradip continuous pH/PPM(442)/Temp meter 
Nutradip (Tri Meter) Nutradip continuous pH/PPM(442)/Temp meter (FH1100046)The Nutradip Tri-Meter combines the technology of the pH and TDS meters and addresses an additional key factor in hydroponic growing, the temperature. Temperature in a nutrient solution is often wrongly overlooked. The temperature variance in a growing operation can significantly restrict the growt... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-FH1100046   $165.98 
 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 Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-GH1516   $7.67 
 PH/EC/TDS/C Portable Meters   Hanna Instruments   PH/EC/TDS/C Portable Meters 
Hanna Instruments PH/EC/TDS/C Portable Meters (HI9811-5N)Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this pH/EC/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperatur... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-HI9811-5N   $174.53 
 Rapitest Digital Soil Test Kit   Luster Leaf Products, Inc.   Rapitest Digital Soil Test Kit 
Quickly and easily tests soil samples measuring levels of pH, Nitrogen, Phosphorus, and Potash.... — Ships from Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX and/or Medley, FL USA...more info.
 hf-LL01605   $24.90 
Displaying 21 to 40 (of 347 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  [Next >>] 
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