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GroundwaterSoftware.com
520 Chicopee Row
Groton, MA, 01450
Tel: (978) 502-6001
Fax: (978) 477-0250
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Vol. 9  No. 7

WHAT IS A PHOTOMETER?

Featuring
YSI PHOTOMETERS

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WHAT IS A PHOTOMETER?

In the broadest sense of the word, a photometer is an instrument used to measure illuminance or irradiance. In the context of groundwater analysis, photometers are used to measure color intensity within a water sample. In perfectly clear water, all of the light will pass through the sample, and thus changes in the color of the sample can reflect impurities in the solution.

The basic operational procedures of a photometer include:

  • a sample solution is collected and placed in a test tube built specifically for the photometer

  • a chemical reagent is added to the sample solution which is designed to change the color of the solution proportional to the concentration of the parameter of interest

  • light is passed through the test tube containing the sample solution, and then through a coloured filter

  • the filter allows the photometer to measure the intensity of the color of the sample solution, which can then be converted into the concentration of the parameter of interest.

Photometers are widely used in groundwater analysis.  There are many different photometers available, including those by YSI equipment.

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YSI PHOTOMETERS

This product family consists of the YSI 9300 and 9500 photometers allowing the potential to measure up to 100+ parameters.

Simplicity is the key - insert a blank, insert a sample with the proper reagent, and get the data! Reagents are non-toxic and won't harm you or the environments where you work.

The 9300 and 9500 include carrying cases to protect your investment. They are both IP-67 waterproof rated and are very practical for the lab or field

9300 Photometer

The YSI 9300 is an economical photometer in a small package for any application. The portable photometer allows you to easily take readings directly in the field for 100+ parameters.

Selecting the desired test has never been easier. Simply choose among the list of available tests on the large graphic display and the instrument will walk you through the test procedure - it's that easy! Simple. Convenient. Accurate.

Features for the 9300 include:

  • Direct reading concentrations
  • Waterproof IP-67 rating
  • Large, backlit graphic display
  • Sample tube holder automatically adjusts for various diameters
  • On-screen instructions virtually eliminates reading manuals
  • Multiple languages (English, French, German, Spanish, Italian)
  • 100+ test choices

You can rely on the accuracy and reliability of YSI's 9300 photometer. Just choose the reagents for the parameters of interest and start getting results today.

The instrument comes with a hard sided carrying case, 8 sample tubes, 1 dilution tube, 10 crush rods, 1 cleaning brush, a light cap, and instruction manual.

9500 Photometer

The YSI 9500 is an economical photometer in a small package for any application. The portable photometer allows you to easily take readings directly in the field for 100+ parameters.

Selecting the desired test has never been easier. Simply choose among the list of available tests on the large graphic display and the instrument will walk you through the test procedure - it's that easy! Simple. Convenient. Accurate.

Features for the 9500 include:

  • Direct reading concentrations
  • Waterproof IP-67 rating
  • Large, backlit graphic display
  • Sample tube holder automatically adjusts for various diameters
  • On-screen instructions virtually eliminates reading manuals
  • Multiple languages (English, French, German, Spanish, Italian)
  • Waterproof USB connection that can also power the instrument
  • Internal memory for 500 sample sets
  • User-selectable options for test units, sample numbers, dilutions factors, or additional tests
  • 100+ test choices

You can rely on the accuracy and reliability of YSI's 9500 photometer. Just choose the reagents for the parameters of interest and start getting results today.

The instrument comes with a hard sided carrying case, USB cable, 8 sample tubes, 1 dilution tube, 10 crush rods, 1 cleaning brush, a light cap, and instruction manual.

 

For more info or to purchase click here:  YSI Photometers



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