Hanna Instruments

HI-97701C Free Chlorine Advanced Photometer Kit

Quantity

HI-97701C kit is supplied with:

  • HI-97701 Free Chlorine Advanced Photometer
  • CAL Check standards
  • 2 x Cuvettes
  • 2 x Caps
  • 2 x Plastic inserts for cuvettes
  • Scissors
  • Cuvette cleaning cloth
  • 3 x 1.5V AA batteries
  • Instruction manual
  • Instrument quality certificate.
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HI-97701C is an advanced portable photometer for the measurement of free and total chlorine in water. This meter offers a superior optical system that utilises a reference detector and narrowband interference filters for extremely fast and repeatable measurements.

Benefits

  • Free chlorine in water up to 5.00 mg/L (ppm)
  • No warm-up time before taking a measurement
  • Tutorial mode for step-by-step instructions
  • Uses either powder or cost-saving liquid reagents

The HI-97701 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 customising the meter to user preferences.

HI-97701 is waterproof including the cuvette holder that is designed with ridges to protect the optical path from getting scratched by the cuvette and a protected battery compartment that holds three AA batteries. The compact design fits comfortably 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.

Advanced 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.

Specifications

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
Chlorine Method Adaptation of the EPA 330.5 DPD method
Photometer/Colorimeter Light Source Light-emitting diode
Photometer/Colorimeter Light Detector Silicon photocell with narrowband interference filter @ 420 nm
Bandpass Filter Bandwidth 8 nm
Bandpass Filter Wavelength Accuracy ±1.0 nm
Cuvette Type round, 24.6 mm diameter (22 mm inside)
GLP Date, time of last calibration
Display 128 x 64 pixel B/W LCD with backlight
Logging Type automatic logging
Logging Memory 50 measurement
Battery Type/Life 1.5V AA battery (3 pcs.) / > 800 measurements (without backlight)
Automatic Shut-Off After 15 minutes of inactivity (30 minutes before a READ measurement)
Environment 0 to 50℃ (32 to 122deg. F); relative humidity: 100% (IP 67, floating case)
Weight 380g with batteries
Dimensions 142.5 x 102.5 x 50.5 mm
PLEASE NOTE: In some cases, samples may contain other parameters which may interfere with results
Interference may be caused by: Bromine, Iodine, Ozone, Oxidised forms of Chromium and Manganese. In case of water with hardness greater than 500 mg/L CaCO3, shake the sample for approximately 2 minutes after adding the powder reagent.
  • If the water used for this procedure has an alkalinity value greater than 250 mg/L CaCO3 or acidity value greater than 150 mg/L CaCO3, the colour of the sample may develop only partially, or may rapidly fade. To resolve this, neutralise the sample with diluted HCl or NaOH.
HI-97701C

Data sheet

Industries
Scientific Industries
Water Analysis

Our standard delivery is 3-5 working days (where products are available) Monday to Friday, excluding public holidays when you order by 2pm. Details of our returns and cancellation policy can be found in our Returns Policy & Section 11 of our Terms and Conditions. For more information please contact us on 01924 444 577 or Email Us.

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