Hanna HI99301 Portable High Range EC/TDS Meter
- EC Range: 0.00 to 20.00 mS/cm
- TDS Range: 0.00 to 10.00 ppt
- Temperature Accuracy: ±0.5 °C / ±1.0 °F
- Ingress Protection Rating: IP67
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Description
The Versatile and Robust HI99301 Meter
The Hanna HI99301 Portable High Range EC/TDS Meter is an essential instrument designed to bring a new level of simplicity and accuracy to a wide array of testing applications. This device is specifically engineered for measurements in challenging environments, particularly those involving brackish and high ionic strength waters. Its design prioritizes user-friendliness without compromising on professional-grade performance, making it an ideal tool for both seasoned professionals and those new to the field. The meter’s core function is to measure electrical conductivity (EC) and total dissolved solids (TDS) with remarkable precision, two critical parameters for assessing water quality. The HI99301 is not just a meter; it’s a comprehensive solution that comes equipped with everything needed to start testing right out of the box, including necessary solutions and batteries. Its portable and waterproof design, rated to IP67, ensures that it can withstand the rigors of real-world use, from accidental drops to spills, ensuring top-tier performance in any environment. The device’s intuitive interface, featuring a large dual-line LCD and simple two-button operation, streamlines the testing process, allowing users to quickly adjust settings, select measurement ranges, and perform calibrations with minimal effort. This blend of durability, simplicity, and accuracy establishes the HI99301 as a top-tier choice for water quality testing across various industries.
Unparalleled Precision in Water Quality Measurement
Precision is at the heart of the Hanna HI99301, with its ability to provide highly accurate measurements of EC and TDS. The device features a ±2% F.S. accuracy for both EC and TDS readings, ensuring that results are reliable and consistent. It is equipped with a specialized HI763063 probe that features both an EC/TDS sensor and a built-in temperature sensor. This integrated design is crucial because temperature has a dramatic effect on conductivity and TDS readings, and the meter’s Automatic Temperature Compensation (ATC) from 0 to 60°C (32 to 140°F) automatically accounts for these fluctuations, providing more accurate and reliable data. Users can also adjust the temperature compensation coefficient from 0.0 to 2.4% per degree Celsius in 0.1% increments, allowing for fine-tuning based on the specific solution being tested. This level of customization ensures that the meter can be adapted to a wide range of applications, from purified to brackish waters. Additionally, the meter’s adjustable TDS factor from 0.45 to 1.00 further enhances its adaptability, allowing users to select the most appropriate conversion factor for their particular solution. This meticulous attention to detail and user-selectable features underscore the meter’s commitment to delivering precise and dependable results.
Designed for Durability and User-Friendly Operation
The HI99301 is not just a high-performance instrument; it’s a testament to robust engineering and user-centric design. The meter’s body is rated to IP67, meaning it is completely protected against dust and water intrusion from any direction, making it suitable for even the most demanding field conditions. This durable casing is designed to withstand real-life knocks, drops, and spills, guaranteeing long-lasting performance. The design also incorporates a Quick Connect DIN connector for the probe, which simplifies the process of attaching and removing the sensor, and a rubber coating on the cable provides a watertight seal, further enhancing reliability. The large, multi-level LCD is another key feature, as it provides at-a-glance readings of the primary measurement, temperature, and calibration guides simultaneously, ensuring that critical information is always accessible. Operating the device is remarkably simple, with a two-button interface that allows users to quickly navigate settings and measurement modes. The meter also includes a HOLD button to freeze readings on the display, a low battery indicator, and an automatic shut-off feature that can be set to 8 or 60 minutes or disabled entirely, all designed to extend battery life and prevent erroneous readings.
Essential Tool for Specific Industry Applications
The Hanna HI99301 meter is not a one-size-fits-all device; it is a specialized tool tailored for specific applications where precise EC and TDS measurements are critical. One of its primary uses is in wastewater treatment plants. Monitoring the conductivity and TDS of wastewater is essential to ensure that treatment processes are effective and that discharged water meets regulatory standards. The high range capabilities of the HI99301 make it particularly useful for this purpose, as wastewater can often have high levels of dissolved solids. In the reverse osmosis (RO) industry, the HI99301 is used to check the efficiency of RO membranes by measuring the TDS of both the feed water and the permeate. A significant reduction in TDS indicates that the RO system is functioning correctly, and the HI99301 provides the accuracy needed for these critical checks. Furthermore, in the HVAC industry, monitoring water quality is vital for maintaining the efficiency and longevity of cooling towers, boilers, and chillers. The buildup of scale from high TDS levels can significantly reduce system performance and increase energy consumption. The HI99301 allows technicians to quickly and accurately measure water quality to prevent these issues. Its robust design and built-in temperature compensation make it ideal for the diverse and often challenging environments encountered in these fields.
The Role of Calibration and Maintenance for Precision
To maintain the high level of precision for which the Hanna HI99301 is known, proper calibration and regular maintenance are essential. The meter features an automatic one-point calibration process, which simplifies a task that is often complex and time-consuming with other instruments. For EC calibration, a 12.88 mS/cm standard solution is used, and this process also automatically calibrates the TDS readings. The meter also offers a direct TDS calibration using a 6.44 ppt TDS calibration solution when the conversion factor is set to 0.5. The inclusion of these starter standard solutions with the meter ensures that users have everything they need to perform the first calibration right out of the box. The single-use sachets guarantee that the calibration solution is fresh, preventing any potential contamination that could affect accuracy. The meter’s design, including a two-ring probe that resists clogging and is easy to clean, also contributes to simplified maintenance. Regular cleaning of the probe and using the correct calibration standards are key to ensuring that the HI99301 continues to provide accurate and reliable measurements over time, solidifying its status as a dependable tool for professional use.
Advanced Features for Enhanced Measurement Control
Beyond its core functionality, the HI99301 offers a suite of advanced features that provide users with greater control and confidence in their measurements. The adjustable TDS conversion factor, which can be set from 0.45 to 1.00 in 0.01 increments, is particularly valuable. The ratio between EC and TDS is not constant and varies depending on the specific ions in the solution being measured. This feature allows the user to fine-tune the conversion to match their specific application, leading to more accurate TDS readings. Similarly, the ability to adjust the temperature compensation coefficient (β) from 0.0 to 2.4% per °C with 0.1% increments is a powerful tool. This feature allows for a more precise temperature correction, which is crucial for applications where the temperature of the sample can fluctuate significantly. The meter also includes a Battery Error Prevention System (BEPS) that detects when the batteries are too weak to ensure reliable measurements and automatically shuts the meter down to prevent erroneous readings. This system, combined with a low battery indicator, provides peace of mind that the data collected is dependable. An Instability Indicator, displayed as a clock tag, further enhances measurement confidence by disappearing only when a stable reading has been achieved. These features demonstrate Hanna’s commitment to delivering not just a meter, but a complete solution that empowers users with precision and reliability.
A Complete Kit for Immediate and Reliable Testing
The Hanna HI99301 is supplied as a comprehensive kit, ensuring that users can begin their work immediately upon purchase. The standard package for the HI99301 includes the meter itself, the HI763063 EC/TDS/temperature probe with its integrated temperature sensor and Quick Connect DIN connector. This single probe is a convenient, rugged solution for all measurements, eliminating the need for separate sensors. To get users started with calibration, the kit also comes with HI70030 12880 µS/cm and HI70038 6.44 ppt calibration solution sachets. The sachets are a key detail, as they ensure a fresh and uncontaminated solution for each calibration, which is essential for accuracy. Additionally, the package includes a 100 mL beaker for samples, three 1.5V AAA batteries for power, and a rugged carrying case to protect the instrument during transport. To further guarantee quality, the kit also provides a calibration certificate for both the meter and the probe, as well as a comprehensive instruction manual. This all-inclusive approach reflects Hanna’s understanding that a meter is only as good as its support system, and they have gone to great lengths to provide a complete and professional solution.
The Ultimate Destination for High-Quality Instruments
For those seeking the highest quality and an assurance of authenticity, the HI99301 is available at the leading online store, tpt24. As the premier destination for this instrument globally, tpt24 is committed to delivering a superior customer experience. Every HI99301 purchased from tpt24 comes with a guarantee of authenticity and quality, ensuring that customers receive a genuine Hanna product that meets the highest standards of performance and reliability. The store’s dedication to customer satisfaction means that the product is shipped with care to any country in the world, providing a seamless and worry-free purchasing process regardless of location. The exceptional service and commitment to excellence at tpt24 make it the ultimate choice for professionals and enthusiasts alike who demand the best for their water quality testing needs. With tpt24, you are not just buying a meter; you are investing in a promise of quality, precision, and a globally recognized brand, backed by a store that stands for excellence in every transaction.












