Hanna HI93703 Portable Turbidity Meter ISO Compliant

Description

A Comprehensive Overview of the HI93703 Turbidity Meter

The Hanna HI93703 Portable Turbidity Meter is a microprocessor-based instrument specifically engineered for the high-precision determination of turbidity in both water and wastewater samples. Its design allows for versatile use in both field and laboratory settings, providing reliable and accurate results. The device is built to meet and even surpass the stringent requirements of the ISO 7027 International Standard, which dictates the use of an infrared LED light source for turbidity measurements. This adherence to the ISO method means the meter displays readings in FTU (Formazine Turbidity Unit), a unit equivalent to the internationally recognized NTU (Nephelometric Turbidity Unit). This ensures that measurements are compliant with global standards and are easily comparable across different applications.

The HI93703 stands out due to its state-of-the-art optical system, which is engineered to minimize stray light and color interference, ensuring long-term stability and highly accurate results. The use of an infrared LED light source, as required by the ISO method, is a key feature that reduces the effect of sample color on the measurement, a common issue with other methods that use visible light. Furthermore, the meter employs a positive-locking system for the cuvette, which guarantees that the sample is securely placed in the cell, thereby eliminating measurement errors caused by mispositioning. This commitment to precision, from the light source to the cuvette system, makes the HI93703 a reliable choice for critical water quality analysis. The device is user-friendly, with on-screen error codes to assist with troubleshooting, making it accessible even for users who are not experts.

An Instrument for All Water Applications

The significance of turbidity as a water quality parameter cannot be overstated. It is a critical indicator of drinking water safety, as controlling turbidity is a proven safeguard against pathogens. In natural aquatic environments, turbidity measurements help gauge general water quality and its suitability for supporting aquatic life. The HI93703 is perfectly suited for a wide range of applications, from monitoring drinking water quality to ensuring compliance with regulatory standards in wastewater treatment facilities. Its two-scale range, from 0.00 to 50.00 FTU and 50 to 1000 FTU, and an auto-ranging feature, allows it to handle diverse samples with varying levels of turbidity. The ability to perform measurements with high precision across these different scales makes the HI93703 a versatile tool for professionals in the field.

The Power of Precision and Advanced Features

The HI93703 is equipped with several features that enhance its performance and user experience. The powerful calibration function, for instance, can compensate for variations in light intensity over time. It supports a two or three-point calibration using the supplied standards of 0, 10, and 500 FTU. The meter’s low detection limit is a result of its optical system being designed to have very low stray light, which is crucial for obtaining accurate results for low-turbidity samples, such as drinking water. The meter also features a low battery indicator, which alerts the user when the batteries are low and can still perform approximately 50 measurements before needing replacement. For added convenience, the instrument has an auto-shut-off feature that activates after 5 minutes of non-use to conserve battery life.

Unmatched Standards for Superior Accuracy

The HI93703 utilizes AMCO-AEPA-1 primary turbidity standards, which are recognized as primary standards by the USEPA. This is a significant advantage over other methods that use Formazine, a known toxic and unstable substance. AMCO-AEPA-1 standards, which are composed of styrene divinylbenzene polymer spheres, are non-toxic, uniform in size and density, reusable, and have a long shelf life, avoiding the preparation issues and short life of Formazine standards. Hanna has selected 10 FTU as the calibration point because it is the value that best fits a wide range of water turbidity measurements, from drinking water to wastewater. The ability of the HI93703 to be used with both types of standards (AMCO-AEPA-1 and Formazine) further increases its flexibility and reliability.

The HI93703-11: Advanced Data Management

For users who require advanced data management capabilities, the HI93703-11 model offers a range of enhanced features. This version includes a real-time clock, which is essential for accurate data logging. It can log up to 199 on-demand measurements, making it ideal for studies or applications that require tracking turbidity levels over time. Additionally, the HI93703-11 is PC compatible and can be connected through a serial port using the HI92000 PC software, which is available as an optional accessory. This feature allows for seamless data transfer and analysis, streamlining the workflow for professionals and researchers.

The Complete Kit: HI93703C

The HI93703C is a comprehensive kit that provides everything needed for immediate and effective use. The kit includes the HI93703 meter itself, along with a HI731313 maintenance kit. This kit consists of two glass cuvettes with caps, calibration solutions (HI93703-0 for 0 FTU, HI93703-10 for 10 FTU, and HI93703-5 for 500 FTU), and a cuvette wiping cloth. Additionally, it contains the necessary batteries and a rugged carrying case to protect the instrument and its accessories during transport, ensuring durability and longevity. The included AMCO AEPA-1 standards are provided with a Certificate of Analysis, which includes details such as the lot number, expiration date, and the standard’s value at 25°C, ensuring full traceability to primary reference materials.

Worldwide Availability Through tpt24

For those seeking to purchase this exceptional instrument, the online store tpt24 is the premier online store for this product worldwide. The store offers the HI93703 with a guarantee of authenticity and quality, ensuring that customers in any country can receive the product with confidence.