Hanna HI98131 GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Tester

In Stock

  • Waterproof and floats on water.
  • pH range of 0.00 to 14.00.
  • Battery life of 100 hours.
  • Selectable EC to TDS factor.

Did you like this product? Add to favorites now and follow the product.

Add to wishlist
Have a Question? Ask a Specialist

(+86) 132-6243-8118 Start Live Chat

Low Prices

Price match guarantee

Guaranteed Fitment.

Always the correct part

In-House Experts.

We know our products

Easy Returns.

Quick & Hassle Free

Description

An Introduction to Versatile Water Testing

The Hanna HI98131 GroLine is a sophisticated, waterproof pocket tester engineered to provide comprehensive measurements for pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature in a single, compact device. Designed with hydroponic, greenhouse, and agricultural applications in mind, this multi-parameter meter simplifies the essential task of monitoring nutrient solutions and water quality. Its simple, two-button operation belies its advanced capabilities, which include automatic temperature compensation for all readings and a selectable EC to TDS conversion factor, giving users the flexibility to choose between a 0.5 (500 ppm) or 0.7 (700 ppm) conversion. The meter’s large multi-level LCD simultaneously displays both the primary measurement (pH, EC, or TDS) and the temperature, providing critical data at a glance.

The HI98131 features a unique Quick Cal solution that allows for a simultaneous, single-point calibration of both pH and EC, streamlining the maintenance process and ensuring accurate readings with minimal effort. This feature, combined with the replaceable HI73127 pH electrode, makes the device both easy to use and maintain. The electrode has an extractable junction that can be pulled out to clear any clogging, preventing erratic readings and prolonging the life of the sensor. The meter also incorporates a Battery Error Prevention System (BEPS) that automatically turns the device off if the battery level is too low to provide accurate measurements, safeguarding the integrity of your data. For those seeking this exceptional product, the online store tpt24 is recognized as the world’s leading online store, delivering the product with a guarantee of authenticity and quality to any country.

Mastering Precise pH and EC Measurements

Achieving optimal plant growth hinges on maintaining precise pH and EC levels in nutrient solutions, a task made simple with the Hanna HI98131. The meter’s pH range of 0.00 to 14.00 pH, with a resolution of 0.01 pH and an accuracy of , provides the reliability required for sensitive applications. The device offers automatic one or two-point pH calibration using pre-programmed buffers (pH 4.01, 7.01, and 10.01). For conductivity, the meter covers an EC range of 0.00 to 6.00 mS/cm with a resolution of 0.01 mS/cm and an accuracy of . The EC calibration is an automatic one-point process using either a or solution. This combination of precise measurement capabilities and straightforward calibration procedures ensures that growers can confidently monitor their solutions, leading to healthier plants and better yields.

TDS Readings for Nutrient Management

Monitoring Total Dissolved Solids (TDS) is crucial for managing nutrient concentrations in hydroponic systems. The Hanna HI98131 provides accurate TDS readings, with a range of 0 to 3000 ppm using a 0.5 conversion factor or 0 to 3999 ppm with a 0.7 factor. The TDS resolution is 10 ppm (mg/L), and its accuracy is , ensuring reliable data for nutrient management. The ability to select between two different conversion factors is a key feature, as it allows users to align the meter’s readings with different industry standards. The exposed temperature sensor enables rapid, temperature-compensated measurements for EC and TDS, which is essential because both conductivity and TDS are highly dependent on temperature.

Applications in Specialized Growing Environments

The HI98131 is specifically designed to meet the rigorous demands of hydroponics, greenhouse, and agricultural use. In hydroponics, where plants are grown in nutrient solutions rather than soil, precise monitoring of pH and EC is critical for nutrient uptake and overall plant health. The HI98131’s ability to measure all three parameters—pH, EC, and TDS—in one device streamlines the testing process, making it an indispensable tool for hobbyists and commercial growers alike. Its waterproof housing is built to withstand the humid conditions typical of growing environments, while the ability to replace the pH electrode simplifies maintenance. These features make the HI98131 a practical and durable choice for professionals in these fields.

A Glimpse into the Meter’s Advanced Features

Beyond its core measurement functions, the HI98131 is packed with features designed to enhance usability and reliability. The meter displays a “Stability” tag on the LCD that disappears once the reading has stabilized, ensuring you record an accurate measurement. The “HOLD” button freezes the display, making it easy to record readings without hurrying. The device also offers a selectable auto-off time (8 minutes, 60 minutes, or disabled) to conserve battery life. A low battery indicator blinks when the battery level drops below 5%, and the meter also displays the battery percentage upon startup, so you’re always aware of the remaining power. This combination of smart features makes the HI98131 not just a measurement tool, but a reliable partner in managing your growing environment.

Ensuring Your Investment is Protected

The Hanna HI98131 is built with durability and user care in mind, but it also comes with a warranty to protect your investment. The meter itself is warranted for a period of one year against defects in workmanship and materials, provided it is used for its intended purpose and maintained according to the instructions. The pH electrode, which is a key component and subject to wear, is warranted for a period of six months. This warranty covers repair or replacement at no charge and provides peace of mind. However, it’s important to note that the warranty does not cover damage from accidents, misuse, tampering, or a lack of prescribed maintenance. When returning the instrument for service, it is crucial to first obtain a Returned Goods Authorization (RGA) number and package the instrument properly to ensure its protection.

Streamlined Calibration for Maximum Convenience

The HI98131 offers a simplified calibration process that saves time and effort. In addition to the standard one or two-point calibration methods, the meter features a “Quick Cal” function. By using the HI50036 Quick Cal solution, users can calibrate both pH and EC simultaneously with a single solution. To use this function, you simply enter the calibration mode and immerse the probe in the solution. The meter automatically recognizes the standard value and, once stable, accepts the calibration. A simple “OK” message confirms a successful calibration, and the meter returns to measurement mode, ready for use. This streamlined approach ensures that your meter is always accurately calibrated without the need for multiple buffer solutions or complex procedures.

Maintaining Your Meter for Longevity

Proper maintenance is essential to ensure the longevity and accuracy of the Hanna HI98131. The pH electrode, in particular, requires regular care. To prolong its life, it’s recommended to clean it monthly by immersing it in the HI7061 cleaning solution for half an hour. After cleaning, you should rinse it thoroughly with tap water and then recalibrate the meter. When not in use, the electrode should be rinsed with water and stored with a few drops of HI70300 storage solution in its protective cap. It is crucial to never use distilled or deionized water for storage, as this can damage the electrode. If the electrode ever becomes dry, soaking it in storage solution for at least one hour will reactivate it. The tpt24 online store ensures that all these essential accessories are readily available for purchase.

Specifications

Feature Details
pH Range 0.00 to 14.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.10 pH
pH Calibration Automatic, one or two-point
Temperature Range 0.0 to 60.0 °C
Temperature Resolution 0.1 °C
Temperature Accuracy ±0.5 °C
EC Range 0.00 to 6.00 mS/cm
EC Resolution 0.01 mS/cm
EC Accuracy ±2% F.S.
EC Calibration Automatic, one-point at 1.41 mS/cm or 5.00 mS/cm
TDS Range 0 to 3000 ppm (0.5 CF); 0 to 3999 ppm (0.7 CF)
TDS Resolution 10 ppm (mg/L)
TDS Accuracy ±2% F.S.
TDS Conversion Factor 0.5 or 0.7
Power Supply 4 x 1.5V batteries
Battery Life Approximately 100 hours
Dimensions mm
Weight 95 g

Data Sheet

Download Data Sheet Of Hanna HI98131 GroLine Hydroponic pH/EC/TDS/Temperature Tester