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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 121 to 140 (of 357 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 
 pH Soil Meter   Hanna Instruments   pH Soil Meter 
Hanna Instruments pH Soil Meter (HI99121N)With this direct soil pre-amplified pH and temperature probe, you can test both the pH of soil directly or after preparation of a diluted sample. The meter features a conical, rugged tip that can be directly inserted in moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground. Features D... — 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-HI99121N   $324.73 
 pH Tester With 1 Point Manual Calibration   Milwaukee Instruments   pH Tester With 1 Point Manual Calibration 
Milwaukee Instruments pH Tester With 1 Point Manual Calibration (MIPH600)Milwaukee's economical tester is an easy-to-use, low cost instruments to measure quick and reliable pH, EC or TDS values.  Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee provides you with a range of pocket ... — 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-MIPH600   $26.60 
 pH/EC Controller System   Hanna Instruments   pH/EC Controller System 
The HI 2500 Mini Controller Fertigation System is perfect for any size grower. Automatically control acid and nutrients levels. • Easy Installation• Controls pH & EC or pH & TDS• No peristaltic pumps• Industrial grade probes• Less maintenance stays in calibration longer• Works with any type of hydroponic system... — Ships separately 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-HI2500-1   $2,368.07 
 PH/Temp Probe for pH55 & pH56   Milwaukee Instruments   PH/Temp Probe for pH55 & pH56 
Milwaukee Instruments PH/Temp Probe for pH55 & pH56 (MIPH55PROBE)This is a replacement electrode for the ph55 and pH56 models of pocket pH/Temperature meter by Milwaukee Instruments. Manufacturer's Product Information MSRP each $49.95 UPC810666001606 Dimensions1 x ... — 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-MIPH55PROBE   $35.57 
 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 p... — 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-HI98107   $47.68 
 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 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-HI98140   $460.76 
 Replacement Platinum Sensor COM-100   HM Digital   Replacement Platinum Sensor COM-100 
HM Digital Meters Replacement Platinum Sensor COM-100 (HMDSPC1)This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister. Manufacturer's Product Information MSRP each $36.95 Dimensions2.25 x 2.5 x 3.7... — 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-HMDSPC1   $26.32 
 Replacement probe for HI9026   Hanna Instruments   Replacement probe for HI9026 
Hanna Instruments Replacement probe for HI9026 (HI1230B)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 environments. When calibrati... — 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-HI1230B   $76.17 
 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 Quantity1 ... — 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-OK3542550   $80.44 
 Smart 3 in 1 Meter w/ pH/EC/TDS   Milwaukee Instruments   Smart 3 in 1 Meter w/ pH/EC/TDS 
Milwaukee Instruments Smart 3 in 1 Meter w/ pH/EC/TDS (MIMW802)Smart 3-in-1 portable meter (replaces MISM802) 1 probe for pH, conductivity and TDSAutomatic Temperature CompensationFaster Processor with The New Chipset and Motherboard100% Larger & Easier To Read LED DisplaySmaller, Ergonomic & Lighter Case DesignEasier & Faster To CalibrateLonger Battery Life Specifications: Range -... — 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-MIMW802   $167.33 
 Soil Conductivity/Salinity Meter w/ Carrying Case   Hanna Instruments   Soil Conductivity/Salinity Meter w/ Carrying Case 
Hanna Instruments Soil Conductivity/Salinity Meter w/ Carrying Case (HI993310)This instrument was designed to address the need for fast and accurate conductivity measurements in soil and liquids. It is supplied with two probes: a stainless steel, conical tip for direct soil measurement and one for fertilizer-enriched solutions. The meter measures the soil conductivity in EC (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-HI993310   $455.77 
 TDS/Conductivity/Salinity Pocket Pen   HydroFarm   TDS/Conductivity/Salinity Pocket Pen 
TDS/Conductivity/Salinity Pocket Pen (JLPT1)This instrument is designed to be extremely accurate, fast and simple to use in diverse water quality applications. Advanced features include the ability to select from 3 different solution types that model the characteristics of the most commonly encountered types of water; proprietary temperature compensation and TDS conversion algorit... — 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-JLPT1   $157.00 
 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 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-OK35423-10   $62.64 
 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 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-OK3542500   $137.42 
 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 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-OK3542505   $137.42 
 WM pH TDS Cntrl. 15 VAC   Hanna Instruments   WM pH TDS Cntrl. 15 VAC 
Hanna Instruments WM pH TDS Cntrl. 15 VAC (HI9935-1)Add this 2-in-1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics to your growroom. The product measures pH from 0 to 14 and TDS from 0 to 1999 mg/L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg/L). The relays are activated when the pH exceeds... 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-HI9935-1   $554.06 
 pH CONTROL KIT (12/CASE)   General Hydroponics   pH CONTROL KIT (12/CASE) 
General Hydroponics™ pH Control Kit PH CONTROL KIT (12/CASE) Contains: 8 oz. pH UP, 8 oz. pH DOWN, 1 oz. indicator & vial Manufacturer's Product Information 2007 MSRP Each $15.95 Case Weight19.35 LB Case Dimensions17.25 x 10.5 x 7.5 IN Case Quantity12 NOTE: CANNOT SHI... 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.
 722080   $11.28 
 Control Wizard Accurate pH 8   Control Wizard   Control Wizard Accurate pH 8 
Control Wizard Accurate pH 8 ACCURATE PH 8 Professional pH and Moisture Meter with 12" probe. Operation is simple. Clean the electrodes and place the meter into the soil. A pH reading is automatically displayed. Press the white button and a moisture reading is displayed. It works by utilizing the electronic ground field effect of the earth and two dissimilar metals. No batter... 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.
 716578   $48.28 
 CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE   Control Wizard   CW 24-7 NUTRIENT MONITOR PPM/pH/TEMPERATURE 
24-7 Nutrient Monitor 24-7 NUTRIENT MONITOR W/CALIB. SOLUTION The 24-7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for easy acc... — 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.
 716572   $154.90 
 HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)   Hanna Instruments   HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129) 
Hanna Combo pH/EC/TDS/Temperature Tester With Low Range EC (Model HI 98129) The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS reading... — 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.
 716820   $143.04 
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