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Products meeting the search criteria: PROBE

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Displaying 1 to 20 (of 204 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 Grower's Edge Large Display Thermometer / Hygrometer (20/Cs)      Grower's Edge Large Display Thermometer / Hygrometer (20/Cs) 
Available Monday 21 January, 2019
Grower's Edge Large Display Thermometer & Hygrometer Measures indoor/outdoor temperature & indoor humidity. Stores the Min./Max. values of the indoor/outdoor temperature and indoor humidity. Switch between °C and °F. Clock function with alarm and a 12/24 hour mode switch. 8 minutes snooze function. Waterproof temperature probe. Comes with 1 AAA alkaline battery. One year warrant... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716560   $13.96 
 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 H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716578   $43.65 
 SUPER SPROUTER™ HEAT MAT - THERMOSTAT (6/CASE)   Sun System   SUPER SPROUTER™ HEAT MAT - THERMOSTAT (6/CASE) 
Seedling Heat Mat Thermostat - Super Sprouter™ THERMOSTAT FOR SUPER SPROUTER HEAT MAT This excellent quality thermostat is designed to be used with the Super Sprouter™ Seedling Heat Mat or any other heat mat. Its precise control allows the user to closely control mat temperature & easily dial in the ideal germination temperature. Easy to use - simply plug the mat into the the... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 726702   $23.66 
 BLUELAB GUARDIAN MONITOR   Bluelab   BLUELAB GUARDIAN MONITOR 
Bluelab® Guardian MonitorIn just one glance it measures all three critical parameters for successful growth pH, conductivity and temperature. Adjustable brightness display. Large easy to read, Plant Safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. ... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716336   $258.67 
 Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter   Bluelab   Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter 
Bluelab Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter (BLU24102)Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life! ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-BLU24102   $45.27 
 ORIGINAL TRUNCHEON METER MEASURE EC AND PPM   Bluelab   ORIGINAL TRUNCHEON METER MEASURE EC AND PPM 
Original Truncheon™ Meter TRUNCHEON METER (EC/PPM) Features of this reliable meter include: EC, CF and ppm scales, factory calibrated, fully waterproof, auto turn on and off. It is powered by three standard AA batteries. There are no external switches or adjustment knobs. 5 year Bluelab® Guarantee (1 year for probe). Manufacturer's Pro... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716050   $90.54 
 pHep®4 pH Tester (HI98127).   Hanna Instruments   pHep®4 pH Tester (HI98127). 
pHep®4 pH Testers Hanna pH hand-held meter that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings.Hanna ID: HI98127Dual Level Display Showing pH & Temp.Rugged, Floating Waterproof CasingReplaceable pH Electrode Featuring an Extendable JunctionThe waterproof pHep® 4 pH tester has a dual-level LCD tha... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY174   $85.14 
 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 H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716441   $199.18 
 REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS   Bluelab   REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS 
Blue Lab Combo Meter PH REPLACEMENT ELECTRODE BLUE 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 ... Note: Calibration Buffer Solutions are available separately. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716445   $45.27 
 Digital Temperature Controller for Heat Mat   HydroFarm   Digital Temperature Controller for Heat Mat 
Hydrofarm Digital Temperature Controller for Heat Mat (MTPRTC)Our heat mat thermostat is digital for greater accuracy. Features Water resistant stainless steel temperature probe Digital temperature controller for heat mats Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments LED mode indicator lights; 3-prong ground... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-MTPRTC   $28.66 
 TITAN CONTROLS® MERCURY 4™ MULTIMODE FAN SPEED CONTROL   Titan Controls   TITAN CONTROLS® MERCURY 4™ MULTIMODE FAN SPEED CONTROL 
Mercury 4 The Mercury 4 - Day/Night Multi-Funtion Fan Speed controller puts the grower in complete control of their ventilation requirements. Plug your ventilation equipment into the Mercury 4, set the high/low fan idle speed, set the day night mode and your in business! Great for use with carbon filter ventilation systems. Things just grow better with Titan Controls. Allo... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 702760   $78.79 
 MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE)   Milwaukee Instruments   MI MW802 (was SM802) SMART pH/EC/TDS COMBINATION METER (1/CASE) 
Smart pH/EC/TDS Combo. Meter Model MW802 The MW802 is a compact portable meter with faster micro processor. This meter allows you to measure pH, EC and TDS with just one instrument and one single probe! This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Also has 100% larger and easier to read LED Display and long battery life. It c... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716615   $168.19 
 Checker pH Tester with Replaceable Electrode   Hanna Instruments   Checker pH Tester with Replaceable Electrode 
Hanna Instruments Checker pH Tester with Replaceable Electrode (HI98103)The pH Checker supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features an easy to read LCD and simple to perform two point calibration. The pH electrode of the Checker can be easily replaced. You only need to unscrew the electrode from the meter... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-HI98103   $27.15 
 Bluelab pH Pen   Bluelab   Bluelab pH Pen 
Bluelab pH Pen Measures pH and temperature. Selectable units for ˚C & ˚F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensat... Note: Calibration Buffer Solutions are available separately. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716480   $72.75 
 Active Air In-Out Therm. w/ Hygrometer   HydroFarm   Active Air In-Out Therm. w/ Hygrometer 
Active Air In-Out Therm. w/ Hygrometer (eco-2371)ActiveAir Indoor-Outdoor Thermometer w/ Hygrometer Active Air™ Indoor-Outdoor Thermometer The large display shows current temperature and humidity levels, and includes a remote probe for second zone temperature. Records high and low points for both temperature and humidity. Active Air™ Indoor-Outdoor Thermometer - w/ Hyg... — Ships from Seattle, Washington USA....more info.
 eco-2371   $13.14 
 Bluelab Nutrient Probe Care Kit Conductivity (14/Cs)   Bluelab   Bluelab Nutrient Probe Care Kit Conductivity (14/Cs) 
CF/EC cleaning kit: Full color laminated instructions Conductivity standard solution De-canter vessel Liquid probe cleaner Chamois (probe cleaning instrument) ... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716052   $7.71 
 Bluelab pH Probe KCI Storage Solution 100 ml (6/Cs)   Bluelab   Bluelab pH Probe KCI Storage Solution 100 ml (6/Cs) 
Bluelab pH Probe KCl Storage Solution The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCl solution to store the pH pen/probe after use and hydrate ... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 716056   $8.50 
 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 (No USPS)....more info.
 hf-HI9815047   $193.99 
 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 HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-ND1100200   $213.39 
 Active Air Indoor-Outdoor Thermometer w/Hygrometer   HydroFarm   Active Air Indoor-Outdoor Thermometer w/Hygrometer 
Active Air Active Air Indoor-Outdoor Thermometer w/Hygrometer (HGIOHT)Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once and record the high a... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-HGIOHT   $12.90 
Displaying 1 to 20 (of 204 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  [Next >>] 
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