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What do we have here?
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 101 to 120 (of 289 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 
 OAKTON WATERPROOF pH TESTER 10   Oakton   OAKTON WATERPROOF pH TESTER 10 
Oakton Waterproof Double Junction pHTestr® 10 Large Display WATERPROOF PH TESTER 10 Automatic Temperature Compensation (ATC)Push-button three-point calibrationMicroprocessor-basedAuto buffer recognitionHold functionCertifiable to IP67 standardspH range - 1.0 to 15.0 pHReplaceable double junction electrode... use Testr body many times over, which saves you money ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716046   $94.37 
 DiST 5 EC/TDS Meter   Hanna Instruments   DiST 5 EC/TDS Meter 
Hanna Instruments DiST 5 EC/TDS Meter (HI98311)When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST's ease of use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA continues the standard in EC and TDS testing with the DiST 5. This ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98311   $93.84 
 ORIGINAL TRUNCHEON METER MEASURE EC AND PPM   Bluelab   ORIGINAL TRUNCHEON METER MEASURE EC AND PPM 
Original Truncheon™ Meter TRUNCHEON METER (EC/PPM) Features of this reliable meter include: EC, CF and ppm scales, factory calibrated, fully waterproof, auto turn on and off. It is powered by three standard AA batteries. There are no external switches or adjustment knobs. 5 year Bluelab® Guarantee (1 year for probe). Manufacturer's Pro... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716050   $93.19 
 COMMERCIAL TRUNCHEON METER (EC/PPM)   Bluelab   COMMERCIAL TRUNCHEON METER (EC/PPM) 
Bluelab Commercial Truncheon® EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale) Fully waterproof Factory calibrated Auto sense on and off No external switches or adjustable buttons Battery life minimum 1 year (or shelf life of battery) 5 year Bluelab guarantee The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716049   $93.19 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BLU2100E   $93.19 
 Bluelab Truncheon Meter   Bluelab   Bluelab Truncheon Meter 
Bluelab Bluelab Truncheon Meter (BLU2000E)It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same te... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BLU2000E   $93.19 
 Hanna GroChek pHEP 5 Meter   Hanna Instruments   Hanna GroChek pHEP 5 Meter 
Hanna Instruments Hanna GroChek pHEP 5 Meter (HI98128)The pHEP 5 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration -- all in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying economica... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98128   $93.17 
 HANNA PH INDICATOR W/ ELECTRODE (HI981401N)   Hanna Instruments   HANNA PH INDICATOR W/ ELECTRODE (HI981401N) 
Hanna Grochek® Water Resistant pH Indicator HI 981401N has been designed to meet the Grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. The housing is water-resistant and features a molded eye which allows installation right above the sample to be monitored. Measurements are highly accurate and can be verified... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716805   $93.13 
 Oakton pHTestr 10 - .1 pH Accuracy  ATC*   Oakton   Oakton pHTestr 10 - .1 pH Accuracy ATC* 
Oakton Oakton pHTestr 10 - .1 pH Accuracy ATC* (OK3563410)Optimize nutrient strength during growth, flowering, and fruiting by knowing exactly what is going on with your plants. Use the Oakton pH tester with accurate ATC to get instant at-a-glance readings. Features Reliable waterproof, dustproof housing Replaceable electrode to provide long life and value Auto shutoff conserves ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3563410   $92.51 
 Milwaukee pH Meter BEM101   Milwaukee Instruments   Milwaukee pH Meter BEM101 
Milwaukee Instruments pH Meter - BEM101 Standard pH mini-bench meter for quick and reliable measurements. Double junction electrode with 1 meter cable Manual calibration 2 points Faster Processor with The New Chipset and Motherboard 100% Larger & Easier To Read LED Display Smaller, Ergonomic & Lighter Case Design Includes: 9vDC power suppl... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716672   $91.13 
 Replacement probe for HI9026 (SPECIAL ORDER)   Hanna Instruments   Replacement probe for HI9026 (SPECIAL ORDER) 
Hanna Instruments Replacement probe for HI9026 (HI1230B) (SPECIAL ORDER)This replacement probe supports the combination pH electrode for field applications. The HI 9026 is an advanced pH/ORP meter specifically designed to provide affordable and very precise results under harsh industrial conditions. The meter features a backlit display for clear readings in the darkest environment... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI1230B   $90.51 
 GroChek EC Monitor   Hanna Instruments   GroChek EC Monitor  
Hanna Instruments GroChek EC Monitor (HI983302N) Waterproof Rugged Housing Large LCD Manufacturer's Product Information MSRP each $114.95 Dimensions4.52 x 1 x 7 Case Quantity1 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI983302N   $90.51 
 pHep®4 pH Tester (HI98127).   Hanna Instruments   pHep®4 pH Tester (HI98127). 
pHep®4 pH Testers Hanna pH hand-held meter that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings.Hanna ID: HI98127Dual Level Display Showing pH & Temp.Rugged, Floating Waterproof CasingReplaceable pH Electrode Featuring an Extendable JunctionThe waterproof pHep® 4 pH tester has a dual-level LCD tha... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY174   $89.97 
 Nutradip PH AC/DC Combo Meter   FHD (Future Harvest Development)   Nutradip PH AC/DC Combo Meter 
Nutradip (Tri Meter) Nutradip PH AC/DC Combo Meter (ND1100024)Nutradip pH Meters are the reliable way to measure acidity in your nutrient solution. It is a continuous monitoring pH meter with automatic temperature compensation and dc power built in for accuracy and durability, helping growers measure and monitor their success for over 15 years. Features• Wall mount or hand he... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ND1100024   $89.85 
 FH NUTRADIP CMS pH METER   FHD (Future Harvest Development)   FH NUTRADIP CMS pH METER 
Nutradip® CMS pH METER NUTRADRIP CMS PH METER (20/CASE) The Nutradipˊ CMS (constant monitoring system) pH Meter is the reliable way to measure the acidity or alkalinity in your water. It is a continuous monitoring pH meter with automatic temperature compensation.2 year limited warranty on meter. 6 month limited warranty on the probe. Ma... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716325   $88.69 
 Milwaukee pH hand meter SM101   Milwaukee Instruments   Milwaukee pH hand meter SM101 
Milwaukee Instruments Milwaukee pH hand meter SM101 (MISM101)Milwaukee pH hand meter SM101 +/-.02 special order only. Manual Temperature Compensation. Manufacturer's Product Information MSRP each $122.95 UPC810666003310 Dimensions5.5 x 3 x 8.5 Case Qua... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MISM101   $88.52 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI1285   $87.85 
 Oakton WP EC Tester 11   Oakton   Oakton WP EC Tester 11 
Oakton Oakton WP EC Tester 11 (OK3566230)•Automatically or manually select measuring range•Waterproof, dustproof housings float Push-button calibration, HOLD function, and error messages Use this tester for either cup-style or dip-style measurements. For cup style, pour a small amount of your sample directly into the sensor cup until it overflows; for dip style, simply im... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3566230   $85.19 
 Hanna GroChek pHEP 4 Meter   Hanna Instruments   Hanna GroChek pHEP 4 Meter 
Hanna Instruments Hanna GroChek pHEP 4 Meter (HI98127)The pHEP 4 includes a dual-level LCD, battery level indicator, BEPS, replaceable pH electrode cartridge, stability indicator, automatic shut-off, electrode removal tool, and automatic calibration -- all in a floating, waterproof casing. It is ideal for users who require the greatest accuracy and features while staying econ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98127   $84.52 
 Future Harvest Nutradip Nutrient Meter EC Dual Power AC DC   FHD (Future Harvest Development)   Future Harvest Nutradip Nutrient Meter EC Dual Power AC DC 
Nutradip Nutrient MeterNutradip® Nutrient Meters are the reliable way to measure the strength of your gardens nutrient supply. It is a continuous monitoring meter with automatic temperature compensation and dc power built in for portability. Lightweight, portable and splash resistant. Wall mount or hand held -AC & DC powered. Easy to read plant... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716355   $82.82 
Displaying 101 to 120 (of 289 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
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