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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 221 to 240 (of 303 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 
 Replacement Sensor   Oakton   Replacement Sensor 
Available Friday 31 March, 2017
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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3542550   $82.67 
 Smart 3 in 1 Continuous Monitor/Portable Meter   Milwaukee Instruments   Smart 3 in 1 Continuous Monitor/Portable Meter 
pH/EC/TDS Combo Meter, Range: 0.00 - 14.00 pH, 0 - 4000 ppm, 0.00 - 6.00mS/cm, Accuracy ±0.20 pH and ± 2% Full Scale for EC & TDS, Comes with SE600 Combo Probe, 110 Volt Power Supply and 9 volt battery, With Unit Mounting Kit, a 20ml Sachet of Calibration Solution of pH 7.01, 1500 ppm and 1413µS/cm Uniquely Designed to serve as both a continuous combo Monitor and portable combo met... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIBEM802   $193.84 
 Soil pH Meter   Bluelab   Soil pH Meter 
Bluelab Soil pH Meter (BLU2330E)The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibr... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU2330E   $165.59 
 Soil pH Probe   Bluelab   Soil pH Probe 
Bluelab Soil pH Probe (BLU24115)Handy for direct pH testing of soils or pH soil solutions. The non-refillable Bluelab Soil pH Probe is used to measure the pH levels of soil or media of cropping, pasture, containerised plants, home gardens, propagation culture... anywhere that the soils' pH requires testing. The Bluelab Soil pH Probe can be connected to the Bluelab pH Meter and Blue... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLU24115   $76.43 
 24-7 Nutrient Monitor Power Adapter      24-7 Nutrient Monitor Power Adapter 
This item is the replacement power adapter for the 24-7 Nutrient Monitor.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 eas... — Ships from Portland, Oregon USA....more info.
 CW507   $18.00 
 Accurate pH 4      Accurate pH 4 
This meter utilizes the same body and electronics as the CWP Instruments Accurate pH 3 but has the added advantage of a larger corded electrode. The larger electrode enhances the meters electronic circuitry making it not only very accurate but also it has very stable readings.The 30 inches long corded electrode allows the user to test a large body of solution without the chance of ... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW495   $72.13 
 Accurate pH 4 Probe      Accurate pH 4 Probe 
This is the replaceable probe for the Accurate pH 4. The cord is 30 inches long.... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW496   $32.67 
 Accurate pH 5   Control Wizard   Accurate pH 5 
This rugged fixed electrode pH meter fits nicely in the hand and has upgraded electronics for fast and stable readings even when near electromagnetic fields. The 2 point (pH 4 and pH 7) calibration screws are located on the back and in the battery compartment. The meter has an auto OFF function and power saver circuitry for reliable readings time after time. It uses four 1.5 volt b... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 CW497   $57.70 
 Accurate PPM 5   Control Wizard   Accurate PPM 5 
This is the match to the Accurate pH 5.0. It has a fixed electrode and fits the hand well. Upgraded electronics allow the meter to be used near electromagnetic fields with little if any interference. It displays a stable and accurate reading time after time with power saver circuitry and an auto OFF function. A one point calibration screw is located on the back of the meter and use... — Ships from Portland, Oregon USA....more info.
 CW513   $57.70 
 Accurate PPM 9   Control Wizard   Accurate PPM 9 
This continuous PPM monitor is rugged in design and function. The meter displays both PPM and temperature and is unaffected by electromagnetic fields from pumps located in reservoirs. It has a tested back lit LCD display and that is bright enough to easily see but not strong enough to cause problems with flowering plants. It has both, a temperature and PPM electrode for superior ac... — Ships from Portland, Oregon USA....more info.
 CW514   $102.93 
 Bluelab Combo Meter   Bluelab   Bluelab Combo Meter 
The Bluelab® Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab® Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrient requirements. Simple push button pH calibration. Successful pH calibration indicators. Low battery indicator. Over range and under ran... — Ships from Portland, Oregon USA. Free Shipping when ordering $50 or more of qualifying items....more info.
 HY170   $296.42 
 Bluelab Dosetronic Peridoser Kit (Special Order)   Bluelab   Bluelab Dosetronic Peridoser Kit (Special Order) 
The simple solution for automatic feeding systems - perfect for commercial or large scale hydroponic growers. Optimize crop performance by providing consistent and accurate management of the feed system by using the Bluelab Dosetronic® Peridoser Kit. It's the easy way to control your system 24 hours a day, 7 days a week, 12 months a year, so you can focus on tending to your plants... — Ships separately from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-BLUDOPKITNA   $2,395.40 
 Continuous Monitor/Portable PH meter   Milwaukee Instruments   Continuous Monitor/Portable PH meter 
Milwaukee Instruments Continuous Monitor/Portable PH meter (MIBEM101)pH Meter, Range 0.00 to 14.00 pH, With 2 Point Manual Calibration, Manual Temperature Compensation, ±0.02 pH Accuracy, comes with a SE220 Double Junction pH probe, 110 Volt Power Supply, & 9volt battery, With Unit Mounting Kit, Probe Holder, 20 ml. pH 7.01 & 4.01 Sachet Calibration Solution & Screwdriver fo... Note: Calibration Buffer Solutions are available separately. — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIBEM101   $105.60 
 Dosatron Flow Restrictor - 3/4 in 14 GPM - D14 Series      Dosatron Flow Restrictor - 3/4 in 14 GPM - D14 Series 
Flow Restrictors limit the flow of liquid in the line. It is recommended to install a flow restrictor on the inlet side of the Dosatron unit if there is any possibility of overflowing the unit. Choose from 3/4 in 10 GPM or 3/4 in 14 GPM.... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 709022   $54.90 
       Dosatron replacement screw in inline pH probe (Special Order) 
Dosatron replacement screw in inline pH probe (Special Order)... Note: Calibration Buffer Solutions are available separately. — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 X500-110   $161.07 
 EC/TDS Probe for HI981409 & HI981410   Hanna Instruments   EC/TDS Probe for HI981409 & HI981410 
Hanna Instruments EC/TDS Probe for HI981409 & HI981410 (HI1220)EC/TDS Probe for HI981409 & HI981410 with DIN connector measures 24 cm (9.4") and can be used to mix the fertilizer solution. The meter switches off after five minutes of inactivity to save battery life. The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed. Calibration w... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI1220   $48.60 
 EC65 Waterproof Tester   Milwaukee Instruments   EC65 Waterproof Tester 
Milwaukee Instruments EC65 Waterproof Tester (MIC65)The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing. Immersible up to the LCD. This instrument is a low-cost and easy to use meter with a replaceable electrode. Includes 3 1.5 volt button batteries.Features Automatic Temperature Compensation IP67 waterproof casing Replaceable ele... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-MIC65   $61.83 
 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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3546215   $61.83 
 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: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-OK3546210   $60.44 
 GroChek EC Electrode   Hanna Instruments   GroChek EC Electrode 
Hanna Instruments GroChek EC Electrode (HI7632)Hanna replacement EC electrode for pocket testers. Manufacturer's Product Information MSRP each $57.95 Dimensions3 x 1.8 x 6.5 Case Quantity1 ... — Ships from HF: Oregon, North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI7632   $40.26 
Displaying 221 to 240 (of 303 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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