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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 241 to 260 (of 310 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 
 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. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 706651   $32.51 
 Rapitest Electric Soil Tester      Rapitest Electric Soil Tester 
Determines soil pH and fertility in one unit. Includes instructions.... — Ships from Portland, Oregon USA....more info.
 MI214   $32.45 
 EC/TDS/Temp Waterproof Hydro Tester   HM Digital   EC/TDS/Temp Waterproof Hydro Tester 
HM Digital Meters EC/TDS/Temp Waterproof Hydro Tester (HMDCOM80)   KEY FEATURES Best value in its class (under $50) Measures electrical conductivity (EC), TDS and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Large LCD display Hold button and Auto shut-off Digital Calibration (push butto... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDCOM80   $31.64 
 HM Digital Replacement Probe for pH Model PH-200   HM Digital   HM Digital Replacement Probe for pH Model PH-200 
Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement Range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with digital fine tuning. Auto-off, data-hold functions and low-battery indicator. Display: large and easy-to-read LCD screen includes... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716180   $29.42 
 Hydro RX Water & Soil   HydroFarm   Hydro RX Water & Soil 
Hydrofarm Hydro RX Water & Soil (HGLABTEST)Tired of guessing whether your water's nutrient levels are adequate? Hydro Rx takes the guess-work out of water management. Hydrofarm Test Lab has developed a kit that lets you manage your plants' nutrients with lab-tested precision. Hydro Rx is simple: Just take a source water, hydroponic solution, or soil sample and send it back to Hydro... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HGLABTEST   $28.98 
 Spare Electrode      Spare Electrode 
Spare Electrode (970301)Spare electrode for Prestige PH Meter (part #397100) Manufacturer's Product Information MSRP $39.95 Dimensions1.5 x 1 x 2 ... — Ships from DL: Livermore, California USA....more info.
 dl-970301   $28.95 
 Dosatron In-Line Filter Kit w/ Unions - 3/4 in (200 Mesh / 80 Micron)      Dosatron In-Line Filter Kit w/ Unions - 3/4 in (200 Mesh / 80 Micron) 
Inline filter kit includes a cleanable, permanent, stainless steel filter that is a 200 mesh/80 micron. The inline connecters are 3/4 in FPT by 3/4 in FPT. No replacement cartridges necessary.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 709016   $28.18 
 Checker pH Tester with Replaceable Electrode   Hanna Instruments   Checker pH Tester with Replaceable Electrode 
Hanna Instruments Checker pH Tester with Replaceable Electrode (HI98103)The pH Checker supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. The pH electrode of the Checker can be easily replaced. You only need to unscrew the electrode from the meter... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98103   $28.11 
 REEF STATUS CALCIUM TEST   Seachem   REEF STATUS CALCIUM TEST 
Seachem Reef Status™ Calcium 50 TESTS This kit measures all types of calcium, including gluconate calcium. The method is based on specific titration with a unique indicator. Measures in increments of 5 mg/L. Each kit runs 150 tests.... Free Shipping when ordering $50 or more of qualifying items. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 729016   $27.83 
 Soil pH Tester.      Soil pH Tester. 
RAPITEST SOIL pH TESTER with probe.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 MI211   $27.81 
 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 SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716186   $27.31 
    Bluelab   Bluelab pH Controller Power Supply 
Bluelab pH Controller Power Supply... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716496   $26.99 
 KILL A WATT METER   P3 International   KILL A WATT METER 
Kill A Watt KILL A WATT METER Measures electrical consumption accurately within 0.2% and is ETL approved. Features large LCD screen which displays 8 critical units of measurements. Enables you to cost forecast. Manufacturer's Product Information 2007 MSRP Each $39.95 Case Weight0.44 LB Case Dimens... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716450   $25.96 
 Rapitest Digital 3-Way Analyzer   Luster Leaf Products, Inc.   Rapitest Digital 3-Way Analyzer 
Luster Leaf Rapitest Digital 3-Way Analyzer (LL01835)This digital 3-way soil analyzer will help you get the proper readings for pH, fertility and temperature. Gardener's, enjoy using meters as an easy and convenient method to check your soil for these readings and with just a couple touches to the digital analyzer you will have your information for optimal plant growth. This analyz... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-LL01835   $25.77 
 Rapitest Electronic 4-Way Analyzer   Luster Leaf Products, Inc.   Rapitest Electronic 4-Way Analyzer 
Luster Leaf Rapitest Electronic 4-Way Analyzer (LL01880)Unique three probe design allows one meter to measre the essentials for plant growth: sunlight, soil pH, moisture, and combined N-P-K levels. Manufacturer's Product Information MSRP each $34.95 Dimensions0.88... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-LL01880   $25.77 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-LL01605   $25.77 
 Replacement Platinum Sensor COM-100   HM Digital   Replacement Platinum Sensor COM-100 
HM Digital Meters Replacement Platinum Sensor COM-100 (HMDSPC1)This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister. Manufacturer's Product Information MSRP each $36.95 Dimensions2.25 x 2.5 x 3.7... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDSPC1   $24.74 
 RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880   Luster Leaf Products, Inc.   RAPITEST 4 WAY ANALYZER FERTILIZER/LIGHT/MOISTURE/pH MODEL 1880 
Rapitest 4 -Way Analyzer [model 1880] FOUR WAY ANALYZER Instantly tells you the fertility of your soilMeasures the light intensity in footcandlesInstantly tells you when to water your plants by measuring the moisture levelInstantly tells you how acid or alkaline your soil is by measuring the pH levelMeasures four different levels for fertilizer, light, moisture and pH. Includ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Note: the WA warehouse is moving in Jul & Aug, some orders may be delayed 1-2 days....more info.
 716752   $24.38 
 pH Tester With 1 Point Manual Calibration   Milwaukee Instruments   pH Tester With 1 Point Manual Calibration 
Milwaukee Instruments pH Tester With 1 Point Manual Calibration (MIPH600)Milwaukee's economical tester is an easy-to-use, low cost instruments to measure quick and reliable pH, EC or TDS values.  Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee provides you with a range of pocket... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIPH600   $24.30 
 pH Replacement Electrode for HI98103, HI9910 (Special Order)   Hanna Instruments   pH Replacement Electrode for HI98103, HI9910 (Special Order) 
Hanna Instruments pH Replacement Electrode for HI98103, HI9910 (HI1270)Spare pH electrode for HI98103 and HI9910 with cloth junction, for general purpose, field applications. Manufacturer's Product Information MSRP each $29.95 Dimensions2 x 1.9 x... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI1270   $24.09 
Displaying 241 to 260 (of 310 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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