Environmental Science & Engineering Magazine (ESEMAG) November 2002

Page 14

' n. The optical clarity of rmined by measuring the ight scattered by particles in 'easured with a Turbidimeter.

Alternative light sources, including equal. For laboratory or portable LEDs, typically will not provide equipment, USEPA method 180.1 accuracy within the ranges required and Standard Methods 2130B for potable water and will not provide require an instrument's optical comparable readings to instruments system use a Tungsten Lamp at a which meet the guidelines. color temperature between 2200 and Not all turbidimeters are created

That's

3000 degrees K.

No other light sources are acceptable - regardless of claims.

where

we

shine:

Flach

Company's tungsten lamp turbidimeters meet ALL requirements for regulatory reporting. Go Hach. Be Right.

Does your instrument comply with regulatory reporting requirements? Call us to discuss it in detail.

r ClearTech www.cleartech.ca

ClearTech Industries inc. Vancouver, Edmonton, Calgary, Saskatoon, Kegina, Winni|)eg, dv Mississauga

800-600-"3e55

For more information, circle reply card No. 161 (See page 25)


Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.