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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 261 to 280 (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 
 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   $42.84 
 Replacement Probe for MIMW802 ONLY   Milwaukee Instruments   Replacement Probe for MIMW802 ONLY 
Milwaukee Instruments Replacement Probe for MIMW802 ONLY (MISE600)Combination Probe For pH/EC/TDS with 1 meter cable  ** FOR NEW STYLE MIMW802 UNITS ONLY, NOT MISM802 Manufacturer's Product Information MSRP each $99.95 UPC810666003112 Dimensions... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MISE600   $75.65 
 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   $89.05 
 Milwaukee EC hand meter SM301   Milwaukee Instruments   Milwaukee EC hand meter SM301 
Milwaukee Instruments Milwaukee EC hand meter SM301 (MISM301)This smart meter is a low-cost portable meter. It may not have the unnecessary and cost-additive frills of some other meters, but you won't notice what you don't need. The Milwaukee EC hand meter includes an electrode 9V battery and calibration solution. Manufacturer's Pr... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MISM301   $71.61 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MISM600   $202.21 
 Milwaukee TDS/PPM T75 Tester WP   Milwaukee Instruments   Milwaukee TDS/PPM T75 Tester WP 
Milwaukee Instruments Milwaukee TDS/PPM T75 Tester WP (MIT75)Stainless steel probes deliver fast and accurate readings with ten times better resolution. Comes with protective case and calibration solution.   Measures in part per million (PPM) Manufacturer's Product Information ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIT75   $59.58 
 Milwaukee TDS/PPT T76 Tester WP   Milwaukee Instruments   Milwaukee TDS/PPT T76 Tester WP 
Milwaukee Instruments Milwaukee TDS/PPT T76 Tester WP (MIT76)Get accurate testing every time with this Milwaukee TDS T76 tester. Includes three 1.5 volt button batteries. Specifications Measurements range of 0-1999 PPM Resolution of 1 PPM Accuracy of 2% +/- full scale Calibration of manual 1 point Automatic ATC Testing environment of 32 - 122 F, 100% RH 250 hours battery life... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIT76   $59.58 
 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   $90.38 
 Nutradip PPM AC/DC Combo Meter   FHD (Future Harvest Development)   Nutradip PPM AC/DC Combo Meter 
Nutradip (Tri Meter) Nutradip PPM AC/DC Combo Meter (ND1100037)These continuous monitoring meters feature automatic temperature compensation, with high quality probes and AC/DC power built-in for portability. Engineered for accuracy and durability, they are lightweight, splash resistant and have an easy-to-read display. Wall mount or hand held. Includes replaceable 9 volt battery a... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ND1100037   $80.34 
 Tri Calibration kit PPM/EC, pH 4, pH 7 500ml (No USPS)   FHD (Future Harvest Development)   Tri Calibration kit PPM/EC, pH 4, pH 7 500ml (No USPS) 
Nutradip (Tri Meter) Tri Calibration kit PPM/EC, pH 4, pH 7 500ml (ND1100041)Monitoring your nutrient strength and the acidity in your nutrient solution is a simple process with outstanding results! Start managing your crop's nutrient requirements with Nutradip, and get the results you deserve! Managing nutrient strength and pH levels is critical to achieving maximum yields. The f... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ND1100041   $16.93 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ND1100053   $45.52 
 Nutradip (Tri Meter)     Nutradip Grow Boss      Nutradip (Tri Meter) Nutradip Grow Boss 
The Nutradip GrowBoss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The GrowBoss is a constant monitoring meter that indicates to the grower the exact levels of Nutrient strength, pH and temperature. This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle. The Grow... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ND1100200   $220.96 
 Waterproof EcoTster pH1   Oakton   Waterproof EcoTster pH1 
Oakton Waterproof EcoTster pH1 (OK35423-00)Ideal for Student, Hydroponics, and Hobbyist use! Economical, pocket sized meter is perfect for less demanding applications Waterproof, dustproof housings float Easy to use; push-button calibration with auto buffer recognition Includes transparent electrode cover / sample cup Push-button calibration, HOLD function, and error messagesOAKT... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK35423-00   $50.21 
 Waterproof EcoTster pH2   Oakton   Waterproof EcoTster pH2 
Oakton Waterproof EcoTster pH2 (OK35423-10)Economical price and an easy-to-read display! Waterproof, dustproof housings float Easy to use; push-button calibration with auto buffer recognition Low-cost pocket sized meter is perfect for less demanding applications Includes transparent electrode cover / sample cup Push-button calibration, HOLD function, and error messagesOAKTON's ne... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK35423-10   $60.92 
 Waterproof PC Testr 35 (EC & pH)   Oakton   Waterproof PC Testr 35 (EC & pH) 
Oakton Waterproof PC Testr 35 (EC & pH) (OK3542500)Two important measurements in one instrument. The PCTestr tests conductivity and pH while the PTTestr tests EC and pH. They feature easy-to-read displays, push-button calibration, HOLD function, and error messages. Valox® housing and stainless steel electrodes offer good chemical compatibility and durability, and are designed t... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3542500   $136.59 
 Waterproof PT Testr 35 (pH & TDS)   Oakton   Waterproof PT Testr 35 (pH & TDS) 
Oakton Waterproof PT Testr 35 (pH & TDS) (OK3542505)Two important measurements in one instrument. The PCTestr tests conductivity and pH while the PTTestr tests TDS and pH. They feature easy-to-read displays, push-button calibration, HOLD function, and error messages. Valox® housing and stainless steel electrodes offer good chemical compatibility and durability, and are designed... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3542505   $135.25 
 Replacement Sensor   Oakton   Replacement Sensor 
Oakton Replacement Sensor (OK3542550)Replacement sensor for Oakton Waterproof Multiparameter TestrTM 35-series Pocket Meters (OK3542500 and OK3542505). Manufacturer's Product Information MSRP each $104.95 Dimensions6 x 1 x 10 Case ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3542550   $80.34 
 Eco Tester TDS Low   Oakton   Eco Tester TDS Low 
Oakton Eco Tester TDS Low (OK3546210)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bui... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3546210   $58.24 
 Eco Tester TDS High   Oakton   Eco Tester TDS High 
Oakton Eco Tester TDS High (OK3546215)New economical conductivity and TDS pocket meters feature a large, ergonomically designed display so that you can easily view measurements at a glance. The orientation of the display means there's no need to turn your head or tilt the tester. Waterproof and dustproof housing is designed for use in dirty and damp field conditions. Convenient, bu... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3546215   $59.58 
 Oakton Replaceable Electrodes pH WP 2 Pen   Oakton   Oakton Replaceable Electrodes pH WP 2 Pen 
Oakton Oakton Replaceable Electrodes pH WP 2 Pen (OK3562429)This part number is just for a replacement electrode for your Oakton pH WP 2 pen, not the actual unit itself. Optimize nutrient strength during growth, flowering, and fruiting. Reliable waterproof, dustproof housing and replaceable electrode provide long life and value, meaning you won't need to invest in or... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-OK3562429   $60.92 
Displaying 261 to 280 (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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