SINCE 2000

Hanna

Hanna pH, TDS, PPM, EC Meters and solutions Hanna Instruments are the market leader in environmental measuring instrumentation. They manufacture and supply a wide range of products including: Chemical Dosing Pumps, Chemical Test Kits, Colorimeters, Conductivity meters, Dissolved Oxygen meters, DPD Chlorine meters, Food Thermometers, Humidity meters, Magnetic Stirrers, pH meters with pH electrodes and Turbidity meters. While the catalogs of most pH and TDS manufacturers in our industry read like pamphlets with only a handful of products, the Hanna catalog is more the size of a telephone book. They have a huge selection of products that are used by individuals and companies all over the world. Their HI9813-6 combo meter has become an industry standard, while their Checker and Primo pH and TDS pens are the number one choice for economy and accuracy.

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  • Hanna Replacement pH Electrode - Cartridge

    This electrode will fit the Hanna pH/Temp Waterproof Testers (pHep 4 / HI 98127 and pHep 5 / HI 98128) and the Hanna pH/EC/TDS/Temp Waterproof Tester (HI98129). It features a stainless steel temperature probe for faster and more precise temperature measurement and auto-compensation, as well as an extendable cloth junction.

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  • Hanna pH/EC/TDS/Temp Portable Meter

    Also check out the new GroPro pH/EC/TDS/Temperature meter. We will most likely be discontinuing the HI 9813-6 and replacing it with the GroPro because it offers more features at a lower cost.

    The convenient HI 9813-6 allows you to measure pH, EC (conductivity) and TDS with just one instrument! The specially engineered HI 1285-6 probe is interchangeable and the pH electrode utilizes a cloth junction and gel electrolyte which are particularly suitable when used in fertilizer solutions. This probe has also been designed with Hanna's Fast Response Probe (FRP) technology to allow quicker reaction time to changing conditions. Calibration is reduced to one point in the pH mode, and one point in the EC/TDS mode. EC/TDS measurements are automatically compensated for changes in temperature. The meter has a Battery Error Prevention System (BEPS) which will not allow readings when the battery level is too low for accurate measurements. With all these features HI 9813-6 is an excellent addition to your growing tool chest.

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  • Replacement Electrode for GroLine Portable pH/EC/TDS/Temperature Meter

    This is the replacement electrode for the Hanna GroPro Waterproof Portable pH/EC/TDS/Temperature Meter for Hydroponics (HI9814).

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  • Hanna Replacement pH/EC/PPM electrode for HI9813-6

    This is the replacement electrode for the Hanna HI9813-6. Learn More
  • Hanna Water Resistant DO Meter w/ ATC

    Features: Galvanic DO probe. Backlit LCD. Automatic Temperature Compensation. Manual salinity and altitude compensation. Water-resistant.

    This unit is unique among our family of DO meters as it is supplied with a galvanic probe. Unlike polarographic probes, galvanic DO probes require no conditioning time. When you need to measure multiple samples in a given period of time, pick it up and measure on demand. HI 9147 is a must have for DO sensitive organisms or high bio-load environments.

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  • Hanna GroLine pH Tester

    Hanna's latest pH meter is both economical and easy to use! The PH128 GroLine is a pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The PH128 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a single button. The PH128 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The PH128 is supplied complete with a carrying case and calibration solutions.

    • One button operation
    • Replaceable pH electrode
    • +/- 0.2 pH accuracy
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  • Electrode Cleaning solution, 230mL bottle

    pH and TDS electrodes should be cleaned frequently (every 1-4 weeks, depending on use) to prevent premature failure and maintain accuracy.

    To use the Hanna Electrode Cleaning Solution, simply put a small amount (enough to cover the probe) in a Dixie cup or shot glass and let the electrode sit in the solution for up to 24 hours, then rinse. Or, choose a single-use sachet for field use.

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  • GroLine pH 7.01 Calibration Solution - 500ml

    pH meters should be calibrated frequently (every 1-4 weeks, depending on use). Two-point calibration (using both 4.0 & 7.0 buffers) ensures the most accurate calibration possible. Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use (unless your using using the sachets). Suitable for all makes and models of pH pens and meters.

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  • GroLine pH Storage Solution - 230 ml

    To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode moist. Store the electrode with a few drops of HI 70300 storage solution in the protective cap.

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  • Hanna Replacement EC/TDS Cartridge

    This replacement electrode will fit the Hanna DiST 5 / HI98311. It features a stainless steel temperature probe for faster and more precise temperature measurement. This advanced graphite electrode provides the greatest possible accuracy as it cannot be contaminated by salt deposits in the solution.

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  • Electrode Cleaning Solution - 20 ml Sachet

    pH and TDS electrodes should be cleaned frequently (every 1-4 weeks, depending on use) to prevent premature failure and maintain accuracy.

    Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is cleaned using these HANNA sachets, it is using a newly-opened bottle of solution.

    To use the Hanna Electrode Cleaning Solution, simply put a small amount (enough to cover the probe) in a Dixie cup or shot glass and let the electrode sit in the solution for up to 24 hours, then rinse. Or, choose a single-use sachet for ease of use.

    Sold individually or by the box of 25.

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  • 1413 mS/cm Calibration Solution - 20ml Sachet

    TDS and EC meters should be calibrated frequently (every 1-4 weeks, depending on use). Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use or use the single use sachets.

    TDS and EC Calibration Solution is available in a variety of sizes ranging from single-use sachets to quart bottles. All calibration solutions we offer are made by either Hanna or General Hydroponics.

    The 1413 mS/cm Calibration Solution is used to calibrate EC meters.

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  • pH 7.01 Calibration Solution - 20 mL Sachet

    pH meters should be calibrated frequently (every 1-4 weeks, depending on use). Two-point calibration (using both 4.0 & 7.0 buffers) ensures the most accurate calibration possible. Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use, or use Hanna's single use sachets for ease of use. Suitable for all makes and models of pH pens and meters.

    Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.

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  • GroLine pH 4.01 Calibration Solution - 230ml

    pH meters should be calibrated frequently (every 1-4 weeks, depending on use). Two-point calibration (using both 4.0 & 7.0 buffers) ensures the most accurate calibration possible. Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use, or use Hanna's single use sachets for ease of use. Suitable for all makes and models of pH pens and meters.

    Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.

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  • Cal Check solution - 20ml Sachet

    pH meters should be calibrated frequently (every 1-4 weeks, depending on use). Two-point calibration (using both 4.0 & 7.0 buffers) ensures the most accurate calibration possible. Do not reuse calibration solution, as once it has been used, it is no longer sterile and may result in improper readings. Pour a small amount into a shot glass and discard after use, or use Hanna's single use sachets for ease of use. Suitable for all makes and models of pH pens and meters.

    Single-dose sachets are quick and easy to use. Each sealed, light tight sachets holds just the right amount of solution. Every time your instrument is calibrated using these HANNA sachets, it is using a newly-opened bottle of solution.

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  • Hanna pHep5 Waterproof pH Meter

    When Hanna Instruments introduced it's first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standards in pH measurement. Since then, over 1 million pHeps have gone to satisfied customers around the world. We have always valued your comments and suggestions and in this new series, we have included all the features you have asked for and more!

    The waterproof pHep® 4 and pHep® 5 pH testers have a dual-level LCD that displays pH and °C or °F. At startup, pHep® performs a self check then displays the remaining battery level to assure proper working condition. These testers also feature a stability indicator and hold feature to prompt the user when to take the reading & freeze the display for easy and accurate recording. These pH/Temperature meters have a stainless steel temperature probe for faster and more precise temperature measurement and auto-compensation. 1 or 2 point calibration is made simple with automatic recognition of both standard and NIST buffer sets. We have designed the new pHep® pH electrodes with an extendable reference junction and when the electrode finally is exhausted simply insert a new electrode cartridge!

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  • Quick Cal Solution Solution for GroLine pH and EC Meters - 230 ml

    HI9814P is a quick calibration solution for use with Hanna’s HI9814 GroPro portable pH/EC/TDS meter. This solution allows for the quick single point calibration for pH and conductivity. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. 

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  • Hanna Checker pH Tester

    REPLACED WITH HANNA GROPRO PH128 pH TESTER. At the cost of a few rolls of pH litmus paper, you can now have the industry's latest electronic pH tester. Checker® supplies you with fast and accurate readings on a large LCD. Unlike other pH testers, the Checker® electrode can be changed and any pH electrode of different shape or size can be used. Checker® is also suitable for checking electrodes in pipes and tanks and various other applications. The Checker® pH tester now includes standard gel-filled electrodes with built-in BNC or screw-type connectors. Checker® is supplied complete with electrode, 2 x 1.4V batteries and instructions.

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  • Hanna Continuous pH/TDS/Temp

    The HI 981504 has been designed for continuous and simultaneous monitoring of pH, TDS, and temperature.

    Simply install the HI 981504 above the sample to be tested, plug the instrument to the mains and immerse the probes. pH, TDS, and temperature measurements will be simultaneously displayed on three backlit LCDs.

    Users can easily select the temperature unit through a switch on the back panel.

    The HI 1286 gel-filled pH electrode is provided with a waterproof sheath to protect the BNC connector. The unique design of the electrode provides longer life in aggressive solutions. The HI 7634 TDS probe is easy to clean and requires little maintenance. Measurements are accurate and the meter can be calibrated at one or two points for pH and at a single point for TDS.

    Note: This meter may not function properly when used around digital ballasts.

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  • Hanna pH Electrode w/BNC and 3' Cord

    These replacement pH electrodes will work with any meter that utilizes a BNC-type connector, such as the Hanna GroCheck Continuous pH Monitor, Milwaukee pH Meter, Nutridip pH meter, etc. If you're not sure if this electrode will work with your existing meter, just give us a call and we'll let you know!

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