Hanna HI-97721 Iron High Range Portable Photometer

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Hanna HI-97721 Iron High Range Portable Photometer

HI97721 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.

Product Description

Hanna HI-97721 Iron High Range Portable Photometer with CAL Check

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This meter offers a superior optical system that utilises a reference detector and narrow band interference filters for extremely fast and repeatable measurements.

Adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd edition, 3500-Fe B, Phenanthroline Method.

About the HI-97721 Iron HR portable photometer

  • Range: 0.00 to 5.00 mg/L (as Fe)
  • 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™ – Validate the performance of the instrument at any time and apply a user calibration using CAL Check cuvettes made with NIST traceable standards. The CAL Check screen guides the user step-by-step through the validation process and user calibration.
  • Auto logging
  • GLP – Review of the last calibration date
  • On-screen tutorial mode with animations – the built in tutorial mode guides users step-by-step through the measurement process.
  • Waterproof and floating IP67 case
  • Auto-shut off – Automatic shut off after 15 minutes of inactivity and 30 minutes before a read measurement.
  • Battery status indicator – Indicates the amount of battery life left.
  • Built-in timer – Display of time remaining before a measurement is taken. Ensures that all readings are taken at the appropriate reaction intervals for the test being performed.
  • Error messages – Messages on display alerting to problems including on cap, high zero, and standard too low.
  • Unit of measure – Appropriate unit of measure is displayed along with reading.

About Iron

Iron is naturally present in water in low concentrations, but it reaches high concentrations in wastewater effluents. The iron concentration in water needs to be monitored because it becomes harmful above certain levels.

In domestic water, for instance, iron can unpleasantly alter the taste, stain laundry, damage kitchenware, and favour the growth of certain bacteria.

Iron is also an indicator of ongoing corrosion in water cooling and heating systems.

Moreover, iron is normally monitored in mining wastewater to avoid contamination.

Specifications Hanna HI-97721 Iron High Range Portable Photometer

SKU HI97721-web
Product Name Iron High Range Portable Photometer with CAL Check – HI97721
Quote Required Yes
Iron Range 0.00 to 5.00 mg/L (as Fe)
Iron Resolution 0.01 mg/L
Iron Accuracy ±0.04 mg/L ±2% of reading at 25 °C
Iron Method Adaptation of Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method
Photometer/Colorimeter Light Source LED with 525 nm bandpass filter
Photometer/Colorimeter Light Detector silicon photocell
Bandpass Filter Bandwidth 8 nm
Bandpass Filter Wavelength Accuracy ±1.0 nm
Cuvette Type round 24.6 mm diameter (22 mm inside)
GLP yes
Display 128 x 64 pixel B/W LCD with backlight
Logging Memory 50 readings
Battery Type/Life 1.5 V AA Alkaline (3 pcs.) / > 800 measurements (without backlight)
Environment 0 to 50 °C (32 to 122 °F); 0 to 100% RH
Weight 380 g (13.4 oz.)
Dimensions 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0″)
Ordering Information HI97721C is supplied with CAL Check standards, cuvettes (2), caps (2), plastic inserts for cuvette, (2), scissors, cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and instrument quality certificate packaged in a rugged, thermoformed carrying case.


Hanna HI-97721 – Manual

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Additional Information





Made In



1,5 kg

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