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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 181 to 200 (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 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI76305   $135.77 
 Digital Brix Refractometer Range - 0 to 85   Milwaukee Instruments   Digital Brix Refractometer Range - 0 to 85 
Milwaukee Instruments Digital Brix Refractometer Range - 0 to 85 (MIMA871)Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC).Range 0-85% Brix, resolution 0.1%, units come with battery. Manufacturer's Product Information MSRP each $169... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIMA871   $137.77 
 Digital Light Meter (SPECIAL ORDER)   Hanna Instruments   Digital Light Meter (SPECIAL ORDER) 
Hanna Instruments Digital Light Meter (HI97500) (SPECIAL ORDER)Designed for simplicity of use in taking rapid light measurements, this product is a portable lux meter designed to perform light measurements simply and accurately. The instrument is supplied with a light sensor connected by a fixed 1.5 m coaxial cable to allow measurements to be taken from a distance without any inter... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI97500   $133.11 
 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   $201.00 
 Dosatron Nutrient Delivery System - EC (PPM) / pH / Temp Monitor Kit (Special Order)      Dosatron Nutrient Delivery System - EC (PPM) / pH / Temp Monitor Kit (Special Order) 
Knowing the EC/ppm, pH and temperature that the Nutrient Delivery System is providing to the crop will give the grower the confidence that the plants will receive the proper nutrition that they require. By installing the in-line Guardian Monitor with mixing chamber kit, the grower can be assured of a well-blended solution with an easy-to-read display. Includes a mixing chamber, the... Note: Calibration Buffer Solutions are available separately. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 709012   $646.75 
 Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT)      Dosatron Pressure Regulator w/ Gauge - 3/4 in (FPT x FPT) 
Pressure reducing valves are devices which, when installed on water systems, decrease the pressure from incoming water lines. 3/4 in NPT female inlet and outlet, working pressure: 15-87 psi, max incoming pressure: 230 psi. Max temp: 140 °F. Chrome plated brass body with 2 in face.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 709018   $108.72 
 GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe   Hanna Instruments   GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe 
Hanna Instruments GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe (HI983301N)Waterproof and chemically resistant, this monitor has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, the meter performs a self-check to ensure proper working condition. This monitor from Hanna has ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI983301N   $76.51 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981404N   $166.39 
 GroChek pH Meter.   Hanna Instruments   GroChek pH Meter. 
HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH monitoring. You can have a professional piece of equipment at consumer prices!... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY181   $99.25 
 Grow More pH Up 30% Gallon (4/Cs)      Grow More pH Up 30% Gallon (4/Cs) 
Grow More pH Up 30%Grow More pH Up 30% Gallon (4/Cs) (721865)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in Washington or Oregon at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 721865   $14.92 
 Grow More pH Up 30% Quart (12/Cs)      Grow More pH Up 30% Quart (12/Cs) 
Grow More pH Up 30%Grow More pH Up 30% Quart (12/Cs) (721860)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in the state of OR at this time. Manufacturer's Product Information ... This item is sold individually. — LTL Shipping Required. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 721860   $5.59 
 Guardian Monitor   Bluelab   Guardian Monitor 
Bluelab Guardian Monitor (BLU27100)In just one glance it magically measures all 3 critical parameters for successful growth; pH, conductivity AND temperature. The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase. The Blue... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-BLU27100   $262.36 
 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 
 MC720 Dosing Pump Kit   Milwaukee Instruments   MC720 Dosing Pump Kit 
The MC720 Kit -- Comes with the MC122 pH controller and MP810 dosing pump The small and precise flow of the MP810 provides fully automated pH control of aqueous solutions in the hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The peristaltic pump allows you to maintain the ideal pH values in your tank. After selecting th... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIMC720   $231.62 
 MI MA73076 REPLACEMENT PROBE FOR C65/T76 (1/CASE)   Milwaukee Instruments   MI MA73076 REPLACEMENT PROBE FOR C65/T76 (1/CASE) 
Milwaukee Waterproof EC Tester [model C65] (MA73076)REPLAPROBE/C65/T76(DS Model C65 Waterproof conductivity tester with automatic temperature compensation and 1 point manual calibration range: 0 to 1999 S/cm, replaceable MA73075 probe. Manufacturer's Product Information 2007 MSRP Each $52.95 Case W... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716611   $45.48 
 Milwaukee MC720 pH Controller w/ Dosing Pump Kit / Doser   Milwaukee Instruments   Milwaukee MC720 pH Controller w/ Dosing Pump Kit / Doser 
Control the pH of your tank/reservoir automatically! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The small and precise flow of the peristaltic pump allows you to maintain ideal pH values in your tank. After select... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716595   $231.35 
 Milwaukee pH hand meter MW100   Milwaukee Instruments   Milwaukee pH hand meter MW100 
Milwaukee Instruments Milwaukee pH hand meter MW100 (MIMW100) This smart pH meter is a low cost portable meter with a very fast and accurate processor. Unit comes with detachable probe, 9v battery and calibration solution. Manufacturer's Product Information MS... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-MIMW100   $79.86 
 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 
 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   $60.56 
 PH ALERT   Seachem   PH ALERT 
Seachem pH Alert™ 6 MONTH MONITOR pH Alert™ is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.8 and 8.6. Freshwater Only.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 729002   $6.59 
Displaying 181 to 200 (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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