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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: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
Milwaukee TDS/PPM T75 Tester WP Milwaukee Instruments Milwaukee TDS/PPM T75 Tester WP (MIT75)Stainless steel probes deliver fast and accurate readings with ten times better resolution. Comes with protective case and calibration solution.
Measures in part per million (PPM)
Manufacturer's Product Information
... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
Milwaukee TDS/PPT T76 Tester WP Milwaukee Instruments Milwaukee TDS/PPT T76 Tester WP (MIT76)Get accurate testing every time with this Milwaukee TDS T76 tester. Includes three 1.5 volt button batteries.
Specifications
Measurements range of 0-1999 PPM
Resolution of 1 PPM
Accuracy of 2% +/- full scale
Calibration of manual 1 point
Automatic ATC
Testing environment of 32 - 122 F, 100% RH
250 hours battery life... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
T75 WATERPROOF TDS TESTER (1/CASE) Milwaukee Waterproof TDS Tester [model T75]
T75 WATERPROOF TDS TESTER
Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe.
Manufacturer's Product Information
2007 MSRP Each $76.95
Case Weight0.71... Note: Calibration Buffer Solutions are available separately.This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
Oakton Replaceable Electrodes pH WP 2 Pen Oakton Oakton Replaceable Electrodes pH WP 2 Pen (OK3562429)This part number is just for a replacement electrode for your Oakton pH WP 2 pen, not the actual unit itself. Optimize nutrient strength during growth, flowering, and fruiting. Reliable waterproof, dustproof housing and replaceable electrode provide long life and value, meaning you won't need to invest in or... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
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 HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
hf-OK35423-10
$60.92
Dosatron Nutrient Delivery System - Mixing Chamber Kit (SPECIAL ORDER) A well blended solution is key to a successful dosing system. One way to get that homogenized blend is to add a mixing chamber to the Nutrient Delivery System. This kit includes the mixing chamber and all necessary plumbing connections to install into the system.... — Ships separately from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
HortiStick Replacement Probe HortiStick Replacement Probe (716024)HortiStick Replacement Probe ONLYFOR HortiStick 3-in-1 Multimeter
About the HortiStick 3-in-1 brings the best of technology into one sleek meter. It combines the measurement of the three most crucial parameters needed for a successful harvest: pH, Conductivity, and Temperature. Package content: 1x Main Unit, 1x Hand Strap, 1x Replaceable Prob... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
Bluelab PPM Pen Bluelab PPM PenMeasures conductivity and temperature.
Selectable units for conductivity and temperature.
Backlit LCD display with low battery warning.
Successful calibration indicator and calibration is optional.
Fully waterproof.
Auto off function and hold reading function.
Automatic temperature compensation.
Loop handle for easy dipping and hanging.
Units: E... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
Bluelab ppm Pen Bluelab Bluelab ppm Pen (BLU2221)The ultimate handy solution for measuring conductivity!
The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops.
The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustmen... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
MI SMS410 TDS MONITOR (1/CASE) Milwaukee TDS Monitor [model SMS410]
SMS410 TDS MONITOR
TDS monitor, range: 0-1990 ppm with accuracy of 2% full scale and with 1 point manual calibration and automatic temperature compensation. Set point range 700 to 1800 ppm, and led visual alarm active when reading is lower than set point. Supplied with 12v DC power adapter, MA812B/2 conductivity probe and 20ml. 1500 ppm p... Note: Calibration Buffer Solutions are available separately.This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
HM Digital Waterproof pH Meter Model PH-200 Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement Range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with digital fine tuning. Auto-off, data-hold functions and low-battery indicator. Display: large and easy-to-read LCD screen includes... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
FH NUTRADIP CMS PPM METER Nutradip® CMS PPM Meter
NUTRADRIP CMS PPM METER (20/CASE)
The Nutradip® CMS (constant monitoring system) Nutrient Meter has automatic temperature compensation and measures the TDS ppm/EC in your water.2 year limited warranty on meter. 6 month limited warranty on the probe.
Manufacturer's Product Information
... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
Waterproof pH/Temperature Meter HM Digital Meters Waterproof pH/Temperature Meter (HMDPH200)FEATURES
Measures pH and Temperature
Auto-ranging three point calibration with digital fine tuning
Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up
Waterproof housing
Simultaneous temperature display
Measurement Range: 0-14 pH
Digital Calibration (push button)
... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter Oakton® Conductivity, TDS and Salinity in one meter. Expanded 4-digit dual-line display shows conductivity and temperature readings simultaneously. Additional key provides an easier, more intuitive interface. Improved cap functions as a sample cup and as a stabilizing base to stand the meter upright. Rugged IP67-rated housing is waterproof and floats. Battery level indicator flashe... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
BLUELAB® TRUNCHEON™ SOIL pH REPLACEMENT PROBE (SPECIAL ORDER ONLY) For BlueLab Soil pH Meter
SOIL PH METER REPLACEMENT PROBE ONLY(SO)
About the meter:
If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need! Our meter can be used by everybody from the home enthusiast to commercial growers. 5 year Bluelab® Guarantee (6 month for probe).
Quality soil pH probe included.
Supplied i... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
716192
$73.66$68.64
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.
Milwaukee EC hand meter SM301 Milwaukee Instruments Milwaukee EC hand meter SM301 (MISM301)This smart meter is a low-cost portable meter. It may not have the unnecessary and cost-additive frills of some other meters, but you won't notice what you don't need. The Milwaukee EC hand meter includes an electrode 9V battery and calibration solution.
Manufacturer's Pr... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
REPLACEMENT ELECTRODE REPLACEMENT FOR OAKTON ULTRA BASIC WATERPROOF pH TESTER (35624-09) Oakton® Ultra Basic pHTestr®
ELECTRODE REP. FOR PH 1 & ULTR
NEW!Waterproof, dustproof and floatsReplaceable electrode lets you reuse same meter body, saving you moneyPush-button one-point calibrationMicroprocessor-based auto buffer recognitionHold function; auto-off; error messagesCertifiable to IP67 standardsSingle junction-1 to 15.0 pH
Man... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
Meters, Timers & Instruments 
