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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 342 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 
 Milwaukee pH / ORP Controller MC125   Milwaukee Instruments   Milwaukee pH / ORP Controller MC125 
Milwaukee Instruments pH/ORP Controller - MC125 Smart Professional pH/ORP controller. User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter and mounting kit 1 power plug for CO2 dosing and 1 power plug for O3 dosing Double junction pH electrode and platinum ORP electrode (BNC connector) ... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716692   $245.04 
 Grocheck Combo Meter.   Hanna Instruments   Grocheck Combo Meter. 
HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA...more info.
 HY177   $236.83 
 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 Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716595   $227.94 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-MIMC720   $213.54 
 BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE   Bluelab   BLUELAB COMBINATION METER MEASURES pH, NUTRIENTS AND TEMPERATURE 
Blue Lab Combo Meter COMBO METER/BLUELAB Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display for easy r... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716441   $210.67 
 BlueLab Combo Meter   Bluelab   BlueLab Combo Meter 
Bluelab BlueLab Combo Meter (BLU2300E)It's all you need for simple and reliable crop management and it's all within arm's reach! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo M... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-BLU2300E   $208.82 
 Future Harvest Grow Boss - Nutrient Monitor (4/Cs)   FHD (Future Harvest Development)   Future Harvest Grow Boss - Nutrient Monitor (4/Cs) 
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 Growb... This item is sold individually. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716367   $205.14 
 Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N)   Hanna Instruments   Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N) 
Hanna Combo Meter 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 is fast and easy with knobs located on the... — Ships from Seattle, Washington USA Free Shipping when ordering $50 or more of qualifying items....more info.
 eco-5528A   $204.44 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-ND1100200   $198.28 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HI9813-6N   $192.52 
 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-MISM600   $192.52 
 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 (HI9813-5N)HI 9813-5 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 Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HI9813-5N   $192.52 
 Milwaukee pH - EC - TDS KIT   Milwaukee Instruments   Milwaukee pH - EC - TDS KIT 
Milwaukee Instruments Milwaukee pH - EC - TDS KIT (MIAG900)Milwaukee Instruments AG900 provides instant readings of the three most important factors in efficient plant production: pH, EC, or TDS. The AG900 kit comes with an MIMW802 hand held microprocessor, calibration solution, measuring cup for soil testing, a comprehensive 21-page Operational and Testing manual, 9v battery as... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-MIAG900   $189.81 
 Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7)   Hanna Instruments   Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) 
Hanna Tri-Meter - pH/TDS/Temp. (HI981504/7) (eco-5529A)Continuous pH/TDS/temp Monitor Designed for continuous monitoring of pH, TDS and temperature the HI 981504 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 l... — Ships from Seattle, Washington USA...more info.
 eco-5529A   $189.32 
 Milwaukee pH / EC / TDS Combo Meter BEM802   Milwaukee Instruments   Milwaukee pH / EC / TDS Combo Meter BEM802 
Milwaukee Instruments pH/EC/TDS Combo Meter - BEM802 Standard pH/EC/TDS combo mini-bench meter for quick and reliable measurements. Faster Processor with The New Chipset and Motherboard 100% Larger & Easier To Read LED Display Smaller, Ergonomic & Lighter Case Design Includes: 9vDC power supply, mounting Kit, SE600 Combo probe, probe holder, and a 2... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716678   $185.65 
 Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N)   Hanna Instruments   Hanna Waterproof pH/EC/TDS Meter (HI 9813-6N) 
Hanna Waterproof pH/EC/TDS MeterHanna Waterproof pH/EC/TDS Meter (HI 9813-6N) (716814)  HI 9813-6N is a versatile, water resistant multiparameter portable meter specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. It features an extra large LCD that clearly displays the parameter being measured as well as calibration ins... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716814   $183.54 
 HANNA PH/TDS/TEMP MONITOR (HI981504/7)   Hanna Instruments   HANNA PH/TDS/TEMP MONITOR (HI981504/7) 
Hanna pH-TDS_TEMP Monitor Model Hi 981504-7 Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 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. This means no more switching between par... — Ships from Vancouver, WA and/or SS: Ontario, CA, Samoa, CA, Livermore, CA, Denver, CO, Detriot, MI, Nashville, TN, York, PA, Pompano Beach, FL USA...more info.
 716810   $183.48 
 Continuous pH/TDS/temp Monitor   Hanna Instruments   Continuous pH/TDS/temp Monitor 
Hanna Instruments Continuous pH/TDS/temp Monitor (HI9815047)Designed for continuous monitoring of pH, TDS, and temperature, this device 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. This means no more switchin... — Ships from Vancouver, WA and/or HF: Petaluma, CA, Santa Fe Springs, CA, Broomfield, CO, Fairless Hills, PA, Grand Prairie, TX, Medley, FL USA...more info.
 hf-HI9815047   $178.28 
 Dual Grochek - Same as above - self calibrating (HI991404)   Hanna Instruments   Dual Grochek - Same as above - self calibrating (HI991404)  
Dual Grochek - Same as above - self calibrating (HI991404) (eco-5422D)GroChek pH/EC/TDS/Temp. Combo Large, Dual-level Backlit LCD Waterproof Auto Calibration & pH Temp. Computing Hanna Dual Grochek The HI 991404 continuously monitors pH/EC/TDS/Temp. in your nutrients. Comes with a rugged, nonclogging pH electrode and conductivity probe that will stand up to the most agressi... — Ships from Seattle, Washington USA...more info.
 eco-5422D   $177.80 
 Hanna COMBO Tester (HI98129).   Hanna Instruments   Hanna COMBO Tester (HI98129). 
The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensati... — Ships from Portland, Oregon USA...more info.
 HY1741   $174.33 
Displaying 21 to 40 (of 342 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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World Wide Garden Supply     Equipment Board for GrowLab Grow Room
This product is great for tents!! I was able to hang this in ..
5 of 5 Stars!
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