Hanna HI-97701 Free Chlorine Portable Photometer

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Hanna HI-97701 Free Chlorine Portable Photometer

The HI-97701 has an innovative optical system that offers superior performance in accuracy, repeatability and short time required to take measurements. The waterproof HI-97701 includes a cuvette holder designed with protrusions to protect the optical path from being scratched by the cuvette and a protected battery compartment that holds three AA batteries.

Product Description

Hanna HI-97701 Free Chlorine portable photometer

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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.

Stable Light Source

The internal reference system of the HI-97701 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.

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.

Large Cuvette Size

The sample cell of the HI-97701 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

Designed with a backlit graphic LCD, plus 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.

About ChlorineChlorine is a common chemical used by many due to is disinfection, oxidation and bleaching properties. In swimming pools, drinking water and food processing, chlorine is used to disinfect and keep bacteria from growing.

In metal finishing, it is used as an oxidiser to convert cyanide in wastewater to cyanate. In the pulp and paper industry, it is used to bleach wood pulp so that paper is white.

The HI-97701 is designed to measure free chlorine in water up to 5.00 mg/L (ppm).

The HI-97701C kit is supplied with a meter, CAL-Check standards, cuvettes (2), caps (2), plastic inserts for cuvette, (2), scissors, a cuvette cleaning cloth, 1.5V AA batteries (3), instruction manual, and an instrument quality certificate.

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 narrow band 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°C (32 to 122°F); relative humidity: 100% (IP 67, floating case)
Weight 380g with batteries
Dimensions 142.5 x 102.5 x 50.5 mm
Ordering Information HI-97701 is supplied with cuvettes (2), caps (2), plastic inserts for cuvettes (2), 1.5V AA batteries (3), instruction manual, and instrument quality certificate.
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.
Reagents and CAL Check Standards HI-97701-11 CAL Check Standard Cuvettes
HI-93701-01 Reagents 100 tests
HI-93701-03 Reagents 300 tests
HI-93701-F Liquid reagent 300 tests

 

 

 

Hanna HI-97701 – Datasheet

KARYA MANDIRI TECHINDO adalah Supplier Hanna HI-97701 Free Chlorine Portable Photometer dan juga menjual Brand Hanna Instruments. Lihat produk kami lainnya di sini JSI, SGI, SMG atau hubungi kami lewat Whatsapp 0821-3010-0456 atau via email [email protected].


 

Additional Information

Brand

Hanna

Model

HI-97701

Made In

Romania

Weight

1,5 kg

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