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General Features:

The HI97104 pH, Alkalinity, Free Chlorine, Total Chlorine, and Cyanuric Acid Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any user making it the perfect photometer for your water quality testing needs. The HI97710 meter measures five important parameters commonly used in the treatment and disinfection of drinking water, waste water, and swimming pools.

  • No warm up time needed before taking a measurement.

  • Tutorial mode for easy step-by-step instructions.

  • CAL Check™ for performance verification and calibration.

We believe that buying a meter should be simple. Your HI97104 photometer has many of the necessary accessories needed for successful measurements.

Each HI97104 is supplied with:

  • Sample cuvette (2 pcs.)

  • Sample cap (2 pcs.)

  • Plastic stopper (2 pcs.)

  • Alkaline batteries: 1.5V AA (3 pcs.)

  • Instruction manual

  • Meter quality certificate

Upgrade to the pH, Alkalinity, Free Chlorine, Total Chlorine and Cyanuric Acid Photometer Kit (includes the CAL Check™ Standards) for the most economical option for testing.

Each HI97104C is supplied with:

  • Sample cuvette (2 pcs.)

  • Sample cap (2 pcs.)

  • Plastic stopper (2 pcs.)

  • A ZERO – CAL Check™ Cuvette A

  • HI97701B – CAL Check™ Cuvette B for Free and Total Chlorine (Powder & Liquid)

  • HI97710B – CAL Check™ Cuvette B for pH

  • HI97722B – CAL Check™ Cuvette B for Cyanuric Acid

  • HI97775B – CAL Check™ Cuvette B for Alkalinity

  • Cloth for wiping cuvettes

  • Scissors

  • Alkaline batteries: 1.5V AA (3 pcs.)

  • Instruction manual

  • Meter quality certificate

  • CAL Check™ standard certificate

General Features:

Waterproof casing
The casing offers IP67 waterproof protection and floats.

Advanced LED optical system 
LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability.

CAL Check™ functionality
Hanna’s exclusive CAL Check feature allows for performance verification and calibration of the meter using NIST traceable standards. Our CAL Check standard vials are developed to simulate a specific absorbance value at each wavelength to verify the accuracy of subsequent readings. The CAL Check screen guides the user step-bystep through the validation process and user calibration.

Multiple measurement methods
Users can select the use of powder reagents supplied in packets or the use of low cost liquid reagents supplied in a dropper bottle. Built-in reaction timer Waiting the proper reaction time is of key importance when performing colorimetric measurements. The countdown timer displays the time remaining until a measurement will be taken, ensuring consistent results between sample measurements and users.

GLP
Good Laboratory Practice (GLP) shows the date and time of the last user calibration.

Auto-off protection
These meters use three common AA batteries that allow for about 800  measurements to be taken. The auto-off feature automatically shuts off the meter after 15 minutes of inactivity in order conserve battery life.

Built-in reaction timer
Waiting the proper reaction time is of key importance when performing  colorimetric measurements. The countdown timer displays the time remaining until a measurement will be taken, ensuring consistent results between sample measurements and users.

Large cuvette size
The sample cell of these photometers fits a round, glass cuvette with a 25 mm path length. The relatively long path length of the sample cuvette allows the light to pass through more of the sample solution, ensuring accurate measurements even in low absorbance samples. The cuvette holder features ridges to protect scratching of the optical path by the cuvette.

Intuitive dot matrix display
These photometers are designed with a backlit, graphic LCD. With virtual keys, a battery status indicator, and error messages. Users will find the interface intuitive and easy to read.

Auto logging
Log and recall the last 50 measurements.

Dedicated help
A dedicated help key provides information relating to the current meter operation, and can be used at any stage in the setup or measurement process to show contextual help.

On-screen tutorial mode with animations
The built in Tutorial mode guides users step-by-step through the measurement process.

Error messages
Messages appear on the display alerting to problems such as out of range, light low, light high, ambient temperature out of limits, and battery low.

Battery status indicator
Indicates the amount of battery life left.

Advanced Optical System

• LED that generates no heat
• 8 nm narrow band interference filter that is accurate to
±1 nm and offers 25% increase in light efficiency.
• Reference detector that modulates the voltage
to LED for consistent light output.
• A concave focusing lens that reduces errors
from imperfections in the cuvette

High Efficiency Light Source

LED light sources offer superior performance compared to tungsten lamps. LEDs have a much higher luminous efficiency, providing more light while using less power. They also produce little heat, which could otherwise affect electronic stability. LEDs are available in a wide array of wavelengths, whereas tungsten lamps have poor blue/violet light output.

High Quality Filters

Improved optical filters ensure greater wavelength accuracy and allow a brighter, stronger signal to be received. The end result is higher measurement stability and less wavelength error.

Stable Light Source

The internal reference system of the these photometers compensates for any drifts due to power fluctuations or ambient temperature changes. With a stable source of light the readings are fast and stable between your blank (zero) measurement and sample measurement.

Greater Light Yield

A focusing lens collects all of the light that exits the cuvette, reducing errors from imperfections and scratches that may be present in the glass. The use of the convex lens reduces the need for indexing cuvettes.

Specification Name

Detail

SKU

HI98128

pH Range

-2.00 to 16.00 pH

pH Resolution

0.01 pH

pH Accuracy (@25°C/77°F)

±0.05 pH

pH Calibration

automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)

pH Temperature Compensation

automatic

Temperature Range

-5.0 to 60.0°C / 23.0 to 140.0°F

Temperature Resolution

0.1°C / 0.1°F

Temperature Accuracy

±0.5°C /±1°F

pH Electrode

HI73127 pH electrode

Automatic Shut-Off

auto-off after 8 minutes of non-use

Battery Type / Life

1.5V (4) / approx. 300 hours of continuous use

Environment

-5 to 50°C (23 to 122°F); RH max 100%

Dimensions

163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)

Weight

100 g (3.5 oz.)

Ordering Information

Each HI98128 is delivered in a cardboard box and is supplied with: HI70004 pH 4.01 buffer solution, 20 mL sachet (2 pcs.), HI70007 pH 7.01 buffer solution, 20 mL sachet (2 pcs.), HI700601 pH & ORP electrode cleaning solution, 20 mL sachet (1 pc.), HI70300N Storage solution for pH & ORP electrodes, 20 mL sachet (1 pc.), HI73127 pH electrode, HI73128 Electrode removal tool, 1.5V batteries (4 pcs.), Instrument quality certificate, & instruction manual.

Warranty

1 year