Hanna HI97757 Ozone Portable Photometer

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  • Ozone range: 0.00-2.00 mg/L
  • Measurement method: DPD Colorimetric Method
  • Battery life: Over 800 measurements
  • Waterproof rating: IP67, floating case

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Description

The Hanna HI97757 Ozone Portable Photometer is an advanced, user-friendly instrument designed for precise and reliable ozone measurement in various water samples. It combines sophisticated technology with practical features, making it an essential tool for both field and laboratory use. This device reflects Hanna Instruments’ extensive expertise as a leading manufacturer of analytical instruments, ensuring high-quality performance and durability. Its auto-diagnostic capabilities and sealed optical system further enhance its utility and longevity.

A Compact Device with Advanced Optical Systems

The Hanna HI97757 Photometer, a compact and versatile instrument, is designed for both on-the-go and benchtop use. It incorporates a sophisticated optical system that utilizes a light-emitting diode (LED) as its light source. LEDs offer superior performance compared to traditional tungsten lamps, providing higher luminous efficiency, consuming less power, and generating minimal heat, which improves electronic stability. The device also features a narrow-band interference filter, which ensures more accurate and repeatable readings by allowing only specific wavelengths of light to pass through. The internal reference detector further enhances stability by compensating for power fluctuations and ambient temperature changes.

Simplified and Guided User Experience

A key feature of the HI97757 is its user-centric design, which includes a built-in tutorial mode. This mode guides users step-by-step through the entire measurement process, from sample preparation to the addition of required reagents and their quantities. This is particularly beneficial for novice users, ensuring that they can perform tests accurately and confidently. Additionally, the device is equipped with a dedicated help key that provides context-sensitive assistance at any point in the process. The intuitive keypad and a clear, backlit LCD display make navigation and reading measurements straightforward, even in varying lighting conditions.

Maintaining Accuracy with CAL Check™ Validation

To ensure the highest level of accuracy, the photometer includes Hanna’s exclusive CAL Check™ functionality. This feature allows users to validate the instrument’s performance at any time using certified CAL Check™ cuvettes, which are manufactured with NIST traceable standards. The CAL Check screen provides step-by-step guidance through the validation process and even enables a user calibration if necessary. This stress-free, straightforward validation process confirms that the meter is functioning correctly, providing users with confidence in their results and the integrity of their measurements.

Purposeful Design for Real-World Applications

The HI97757 is built to withstand the rigors of real-world use. Its robust and portable design fits comfortably in the hand for field testing and is also suitable for a benchtop setting. The meter has an IP67-rated waterproof, floating case, protecting its internal optics from outside dust, dirt, and water. It also features an exclusive positive-locking system for the cuvettes, guaranteeing that they are always placed in the correct position for consistently accurate readings. These features make the device highly reliable in demanding environments.

Key Applications: Water Disinfection and Beyond

Ozone is a powerful disinfectant and the HI97757 photometer is specifically designed to measure ozone in water samples. Its primary applications are in the treatment of drinking water, wastewater, and swimming pools. In these critical environments, accurate ozone measurement is vital for ensuring water safety and quality. The DPD Colorimetric Method, which the meter uses, is a standard and reliable technique for determining ozone concentration. The device’s precision and ease of use make it an indispensable tool for environmental monitoring, public health, and industrial process control.

Advanced Features for Enhanced Data Management

The photometer is equipped with advanced data management capabilities to streamline the testing process. It features an auto-logging function that automatically saves the last 50 measurements, eliminating the need for manual record-keeping and ensuring that no data is lost. Users can easily view and recall these logged readings through the Log Recall menu. The device also has a contextual help mode and an auto-off feature to prolong battery life, ensuring it is always ready for use when needed.

The Gold Standard for Your Ozone Testing Needs

For anyone in need of a reliable, precise, and durable ozone photometer, the Hanna HI97757 is the definitive choice. Its combination of an advanced optical system, user-friendly interface, and robust design places it at the forefront of its class. The dedication to accuracy, evident through features like the CAL Check™ validation, ensures that every measurement is trustworthy. It is a tool that not only provides accurate data but also enhances the overall testing experience with its intuitive operation and reliable performance.

Authenticity and Quality: Shop with TPT24

The tpt24 online store is the best online store for this product in the world and delivers the product with a guarantee of authenticity and quality in any country you are in. When you choose to purchase the Hanna HI97757 from tpt24, you can be confident that you are receiving a genuine, high-quality instrument, backed by a commitment to customer satisfaction and a global delivery network.

Specifications

 

Feature Specification
Ozone Range 0.00 to 2.00 mg/L (as O3)

Ozone Resolution 0.01 mg/L

Ozone Accuracy ±0.02 mg/L ±3% of reading at 25°C

Method DPD Colorimetric Method
Light Source Light Emitting Diode

Bandpass Filter 525 nm

Bandpass Filter Bandwidth 8 nm

Bandpass Filter Wavelength Accuracy ±1.0 nm

Light Detector Silicon photocell

Cuvette Type Round 24.6 mm diameter (22 mm inside)

Auto Logging 50 readings
Display 128×64 pixel B/W LCD with backlight

Auto-off After 15 minutes of inactivity (30 minutes before a Read measurement)

Battery Type 1.5 V AA Alkaline (3 pcs.)

Battery Life >800 measurements (without backlight)

Environment 0 to 50 °C (32 to 122 °F); 0 to 100% RH, non-serviceable

Dimensions 142.5×102.5×50.5 mm (5.6×4.0×2.0″)

Weight (with batteries) 380 g (13.4 oz.)

Case Ingress Protection Rating IP67, floating case

Data Sheet

Download Data Sheet Of Hanna HI97757 Ozone Portable Photometer