Hanna Instruments Australia
The Hanna Advantage: A Worldwide Leader in Technology and Innovation 100% Quality  360 Value
Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm
Hanna Instruments Australia
Sales: (03) 9769 0666   |    Mon to Fri: 8:30am – 5:00pm

pH, Alkalinity, Free Chlorine, Total Chlorine, and Cyanuric Acid Photometer - HI97104-kit

$846.66

HI97104 is an advanced portable photometer for the measurement of pH, alkalinity, cyanuric acid, free chlorine, and total chlorine in water. This meter offers a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements.

  • No warm up time before taking a measurement
  • Tutorial mode for step-by-step instructions
  • Uses either powder or cost saving liquid reagents

Description

Chlorine is a common chemical used by many due to is disinfection properties. Free chlorine can exist in two forms and which form is present is based on the pH. At pH less than 7.6 the predominate form is hypochlorous acid (HOCl) while at pH greater than 7.6 the hypochlorite (OCl) form becomes predominate. This is very important when it comes to preventing biological growth in water or keeping a swimming pool safe since hypochlorous acid is 100 times more effective as a sanitizer. Total chlorine represents both the free chlorine and combined chlorine present. Combined chlorine is the chlorine bound to nitrogen substances such as ammonia. In swimming pools combined chlorine that we can smell and is irritating to the eyes. The free chlorine measurement is subtracted from the total chlorine measurement in order to know how much combined chlorine is present. HI97104 is designed to measure swimming pool key water quality paramters. These parameters, in addition to chlorine, are pH, alkalinity, and cyanuric acid.

The HI97104 has an innovative optical system that offers superior performance in accuracy, repeatability, and the short amount of time it takes to perform a measurement. This compact, waterproof meter is extremely user friendly with a tutorial mode that walks the user graphically, step by step, in performing a measurement. The use of a backlit dot matrix LED allows the use of virtual keys which makes the operation of the meter very intuitive including selecting different methods, reviewing GLP data, recalling the last 50 measurements, and customizing the meter to user preferences

HI97104 is completely waterproof including the cuvette holder that is designed with ridges to protect the optical path from getting scratched by the cuvette and a gasketed battery compartment that holds three common AA batteries. The compact design fits comfortable in the hand for use in the field or on a table for benchtop use. The LCD is 71 mm (2.75″) by 37 mm (1.6″) and is backlit for easy viewing under all conditions.

photometer optical system
  • LED that generates very little heat
  • 8 nm narrowband 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

On-Screen Features

CAL Check HI97700

CAL Check
Advanced features including CAL-Check to verify performance, GLP for last calibration date, setup options and the ability to see all accessories used with the meter.

tutorial mode HI97104

Tutorial Mode
When enabled, the tutorial mode will guide the user step by step through the measurement process .

method option

Method Options
Choice of powder or economical liquid reagents for chlorin measurments.

HI97104 FEATURES/BENEFITS:

Stable Light Source:

  • The internal reference system of the HI97104 photometer 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.

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.

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.

Greater Light Yield:

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

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.

Mulitple 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.

Large Cuvette Size:

  • The sample cell of the HI97104 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.

Intuitive Dot Matrix Display:

  • The HI97104 is designed with a backlit, graphic LCD. With virtual keys, a battery status indicator, and error messages. Users will find the meter interface intuitive and easy to read. 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.

Auto-off Protection:

  • The meter uses 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.
SKU HI97104C
Name pH, Alkalinity, Free Chlorine, Total Chlorine, and Cyanuric Acid Photometer - HI97104-kit
pH Range 6.5 to 8.5 pH
pH Resolution 0.1 pH
pH Accuracy ±0.1 pH
pH Method phenol red method
Alkalinity Range 0 to 500 mg/L (as CaCO3)
Alkalinity Resolution 1 mg/L
Alkalinity Accuracy ±5 mg/L ±5% of reading at 25 °C
Alkalinity Method colorimetric method
Free Chlorine Range 0.00 to 5.00 mg/L (as Cl2)
Free Chlorine Resolution 0.01 mg/L
Free Chlorine Accuracy ±0.03 mg/L ±3% of reading at 25 °C
Total Chlorine Range 0.00 to 5.00 mg/L (as Cl2)
Total Chlorine Resolution 0.01 mg/L
Total Chlorine Accuracy ±0.03 mg/L ±3% of reading at 25 °C
Chlorine Method adaptation of US EPA method 330.5, DPD Colorimetric method
Cyanuric Acid Range 0 to 80 mg/L (as CYA)
Cyanuric Acid Resolution 1 mg/L
Cyanuric Acid Accuracy ±1 mg/L ±15% of reading at 25 °C
Cyanuric Acid Method Adaptation of turbidimetric method
Photometer/Colorimeter Light Source light emitting diode
Photometer/Colorimeter Light Detector silicon photocell with narrow band interference filter @ 525 nm and 610 nm
Bandpass Filter Bandwidth 8 nm
Bandpass Filter Wavelength Accuracy ±1.0 nm
Cuvette Type round 24.6 mm diameter (22 mm inside)
Display 128 x 64 pixel B/W LCD with backlight
Data Points Stored 50 readings
Battery Type/Life 1.5 V AA Alkaline (3 pcs.) / > 800 measurements (without backlight)
Automatic Shut-Off after 15 minutes of inactivity(30 minutes before a READ measurement)
Environment 0 to 50 °C (32 to 122 °F);
0 to 100% RH
IP67, floating case
Weight 380 g (13.4 oz.)
Dimensions 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0 in.)

HI97104 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate. 
Kit version: HI97104C is supplied with CAL-Check standards, cuvettes (2), caps (2), plastic inserts for cuvettes (2), scissors, cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and instrument quality certificate.

All prices are inclusive of GST and not all items are stock items, if you require an immediate solution please send an email to sales@hannainst.com.au or call us on (03) 9769 0666.

Free standard delivery: We offer free delivery within Australia on orders over $100, typically arriving within 5 to 7 days. Delivery times may vary depending on the courier service and the recipient's location. Free shipping is not available with other offers or discounts.

Same-day despatch: Place your order before 1 PM Monday to Friday for same-day despatch. Delivery times may vary depending on the courier service and the recipient's location. Subject to stock availability.

Please note that we do not offer shipping to PO Box addresses.

Additional information

Weight 0.99 kg
Parameter

Alkalinity, Chlorine, Cyanuric Acid, pH

pH Accuracy

±0.1 pH