Horticulture Source » Gardening & Hydroponics Store » Meters, Timers & Instruments » pH, EC, PPM & TDS Testers   Mobile   Secure |  My Account | Cart Contents | Checkout )
Horticulture Source
Quick Find
Help [?]   Search Descriptions Phrase   Advanced
Secure   My Account   Cart Contents   Checkout  
You have JavaScript disabled or are using a browser which does not support it. Please turn on JavaScript or consider upgrading or switching your web browser, e.g. FireFox or Opera.
Celebrating our 11th Year of Service to Gardeners! Thank you for your business!
Specials more
Clonex Packets, 18 packed per box
Clonex Packets, 18 packed per box
$71.28
$64.80
What's New? more
Harvest Keeper Black / Black Precut Bags 15 in x 20 in (50/Pack)
744360
Harvest Keeper Black / Black Precut Bags 15 in x 20 in (50/Pack)
$34.05
Shop By Price
Categories
* Lamps / Tubes / Bulbs ++ (539)
* Lighting Systems ++ (1189)
* Nutrients & Supplements (4270)
* Composters & Compost Tea Brewing (43)
* Organic Gardening (533)
* Leaf Shines & Washes (97)
* Pest & Disease Control (591)
* Cloning & Propagation (451)
* Grow Systems ++ (717)
! Meters, Timers & Instruments ++ (637)
 » Calibration, Storage & Cleaning Solutions, pH Up & Down (202)
 » Instruments, Thermometers, Hygrometers & Light Meters (24)
 » ! pH, EC, PPM & TDS Testers (291)
 » Timers & Lighting Controllers (120)
* Pots / Containers (1024)
* Pumps, Irrigation & Watering Supplies ++ (1730)
* Grow Media (560)
* Plant Seeds (62)
* Environmental Control ++ (2003)
* Greenhouses (84)
* Grow Rooms / Tents (166)
* Reflective / B&W Films (141)
* Garden Accessories ++ (1037)
* Hand Tools ++ (450)
* Gardening Books & DVDs (57)
* Growing Apparel & Bags (100)
Manufacturers more
Ads
Ads
Languages
English Deutsch Español

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

Show: 
What do we have here?
Displaying 181 to 200 (of 291 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 
 pHep   Hanna Instruments   pHep 
Hanna Instruments pHep (HI98107)The pHep revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. This tool is used by millions of people around the world to monitor pH in laboratories and industrial applications as well as in agriculture, fish farming, food manufacturing and quality control, swimming ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98107   $36.95 
 PH/EC/TDS/C Portable Meters   Hanna Instruments   PH/EC/TDS/C Portable Meters 
Hanna Instruments PH/EC/TDS/C Portable Meters (HI9811-5N)Experience ease and simplicity in taking pH, µS/cm, ppm (mg/L), and temperature measurements with this pH/EC/TDS waterproof meter, which is ideal for hydroponics, greenhouses, farming, and groundwater applications. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperatur... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI9811-5N   $188.75 
 Combo pH/ ORP/ Temperature Tester   Hanna Instruments   Combo pH/ ORP/ Temperature Tester 
Hanna Instruments Combo pH/ ORP/ Temperature Tester (HI98121)• Waterproof and it floats!• HANNA's exclusive cartridge pH and ORP electrode• Extendable cloth pH junction• Automatic Temperature Compensation• Automatic calibration• Battery % Level at startup and stability indicator• HOLD function HI98121 is a waterproof meter that measures pH, ORP a... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98121   $168.95 
 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   $83.81 
 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   $92.39 
 Combo pH/EC/TDS/C/PPM Tester   Hanna Instruments   Combo pH/EC/TDS/C/PPM Tester 
Hanna Instruments Combo pH/EC/TDS/C/PPM Tester (HI98129)This waterproof tester offers high accuracy pH, EC/TDS, and temperature measurements all in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut-off. pH and EC/TDS readings are automatically temperature c... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98129   $141.23 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI9813-6N   $193.37 
 GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester   Hanna Instruments   GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester 
Hanna Instruments GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester (HI98130)Here is a waterproof tester that offers high accuracy pH, EC/TDS, and temperature measurements in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut-off. pH and EC/TDS readings are automatical... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98130   $141.23 
 Portable pH Meter with SMART Electrode (Special Order)   Hanna Instruments   Portable pH Meter with SMART Electrode (Special Order) 
HI98140 is a portable Calibration Check™ pH meter that utilizes HANNA's SMART electrode technology. SMART electrodes incorporate a chip, which stores the calibration data performed with a specific instrument. When the "SMART" electrode is attached to the meter again, it is automatically recognized. This allows the operator to optimize time and efficiency with unsurpassed safety. I... Note: Calibration Buffer Solutions are available separately. — Ships separately from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98140   $426.99 
 GroChek Hanna pH Indicator   Hanna Instruments   GroChek Hanna pH Indicator 
Hanna Instruments GroChek Hanna pH Indicator (HI981401N)This pH indicator 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 ca... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981401N   $103.61 
 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   $164.99 
 GroChek pH Tester   Hanna Instruments   GroChek pH Tester 
Hanna Instruments GroChek pH Tester (HI981408)This tester has been specifically designed to address the needs of growers in hydroponics, greenhouses, and nurseries. The meter has all the features necessary to check the pH of the fertilizer solution during preparation. With a sturdy body, it also floats so that it can be quickly retrieved if accidentally dropped in the tank. Frequen... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981408   $75.21 
 GroChek TDS Tester   Hanna Instruments   GroChek TDS Tester 
Hanna Instruments GroChek TDS Tester (HI981409)This TDS tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait un... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981409   $76.53 
 GroChek EC Tester   Hanna Instruments   GroChek EC Tester 
Hanna Instruments GroChek EC Tester (HI981410)This EC tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait unti... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI981410   $76.53 
 Mini pH Controller   Hanna Instruments   Mini pH Controller 
Hanna Instruments Mini pH Controller (HI9814110)The mini pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates o... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI9814110   $155.75 
 Cont. pH/TDS/temp Monitor (Special Order)   Hanna Instruments   Cont. pH/TDS/temp Monitor (Special Order) 
Hanna Instruments Cont. pH/TDS/temp Monitor (HI9815045)Designed for continuous monitoring of pH, TDS, and temperature, the monitor 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. No more switching between parame... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI9815045   $197.99 
 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 HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI9815047   $197.99 
 DiST 1 TDS Tester   Hanna Instruments   DiST 1 TDS Tester 
Hanna Instruments DiST 1 TDS Tester (HI98301)DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the pr... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HI98301   $48.83 
 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   $93.05 
 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   $75.87 
Displaying 181 to 200 (of 291 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  [Next >>] 
Ads
Social Bookmark
Amazon Ad

Customer Service

 

Shopping Help

 

My Account

 

Tools & Resources

BizRate Customer Certified (GOLD) Site - HorticultureSource.com -Specialty Gardening Supply Reviews at Bizrate ShopWiki Certified Store Official PayPal Seal
Merchant Services
Secured by RapidSSL 100% Satisfaction Guaranteed  Proud Hydro for Hunger Participant
Ads
Global Tech LED Mammoth
UPSFedExUSPS OnTrac CalOver EstesR+LSouthEasternSAIA
Copyright © 2005 — 2017 Usisu, Inc.: Conditions of Use VISAMasterCardAmerican ExpressDiscoverDiners ClubJBCPayPal Money Order