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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  • pH 4.01 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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  • Hanna GroLine Shockproof Green Rubber Boot for HI9814 Combo Meter

    HI710025 is a green rubber boot that is custom formed for the HI9814 GroLine portable pH/EC/TDS meter,  HI991000 family of portables, and selected portable thermistor based thermometers.  A complete lsit of compatible portable meters can be found below. This rubber boot is made of silicone rubber and slides over the meter. Even though all meters are drop tested and designed to resist impacts the HI710025 provides additional shockproof protection. The rubber is able to absorb the shock from an accidental drop.

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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.

    Learn More
  • Hanna Primo TDS Tester

    The Primo provides a fast and dependable way to measure the Total Dissolved Solids level in your water samples. It is ideally suited for the rigorous demands of water quality professionals, who will appreciate the practicality of the Primos easy-to-read Liquid Crystal Display when demonstrating the before and after results of conditioning and filtration systems. Temperature is compensated automatically to ensure the readings are consistent to the standard or reference temperature. Operating and routine maintenance has never been easier. The Primo TDS uses a single button at the top of the meter. Press it once and the meter is powered and ready for use. Press and hold the button for a few seconds and the Primo automatically enters calibration mode. Simply open a sachet of the calibration solution, dip the probe and within seconds, the meter recognizes the calibration solution and calibrates itself!

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  • Hanna GroLine pH Tester - Waterproof

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very large easy to read LCD display that shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on/off and the other for automatic one or two point calibration.

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

    This is the replacement electrode for the Hanna HI9813-6. Learn More
  • Quick Cal Solution Solution for GroLine pH and EC Meters - 20 mL Sachet

    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. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. 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 sachet. 

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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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  • Hanna GroLine Waterproof Portable pH/EC/TDS/Temperature Meter

    Hanna's newest meter offers the BIGGEST "BANG FOR THE BUCK"! The HI9814 is a slim, lightweight, and waterproof portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single amplified probe. The meter operation is simplified with two buttons. Advanced features including an selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm).

    • 3 in 1 amplified and WATERPROOF probe with pH, EC/TDS and temperature sensors
    • Quick Cal Mode to calibrate pH and EC/TDS with one solution - no more using separate 4/7 pH and 1500ppm solutions
    • User-adjustable Conversion Factor (CF) selectable between 0.5 (500 ppm) and 0.7 (700 ppm) - meaning you can use just about any brand of calibration solution
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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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  • GroLine pH 4.01 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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  • 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 - 230ml

    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.

    Learn More
  • GroLine pH 7.01 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.

    Learn More

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