Hach FilterTrak 660 User manual
52364-89
FilterTrak™ 660 Calibration Kit
General Information
The Calibration Kit, shown in Figure 1, is shipped with the calibration body (stand mounted),
a 1-liter bottle of 800 mNTU StablCal®Standard, and a funnel to reduce bubbles when
pouring the standard. The 800 mNTU StablCal Standard is assayed and the value is
reported on the label to the nearest 1 mNTU. The tolerance of the standard is ±50 mNTU.
Figure 1 Calibration Kit Components
Calibration Procedure
1. Remove the cover.
2. Rinse the calibration body with deionized water.
3. Drain all deionized water from the body and replace the drain plug.
4. Clean the FilterTrak 660 Nephelometer head assembly as described in the FilterTrak
660 Laser Nephelometer Instrument Manual (Cat. No. 52300-18).
5. Gently invert the StablCal Standard bottle 50 times to mix. Each inversion should last
1-3 seconds. Do not shake the standard.
6. Place the funnel into the end of the bubble trap, opposite the water intake. See Figure 2.
7. Slowly pour the standard into the funnel.
8. Install the FilterTrak 660 head assembly on the calibration body. See Figure 3.Allowthe
standard to sit undisturbed in the body for approximately 10–20 minutes before
proceeding with the calibration.
9. Calibrate using the instructions in the FilterTrak 660 Laser Nephelometer
Instrument Manual.
Calibration Body
Funnel
800 mNTU StablCal
1-liter Bottle
®
FilterTrak™ 660 Calibration Kit
HACH COMPANY
WORLD HEADQUARTERS
Telephone: (970) 669-3050
FAX: (970) 669-2932
FORTECHNICAL ASSISTANCE, PRICE INFORMATION AND ORDERING:
Call 800-227-4224
Contact the HACH office or distributor serving you.
www.hach.com [email protected]
In the U.S.A.–
Outside the U.S.A.–
On the Worldwide Web –; E-mail –
toll-free
10. When the calibration is complete, drain the calibration body. The standard cannot be
stored for future use.
11. Remove the head assembly and carefully rinse the head assembly and calibration body.
Immediately reinstall the head assembly back on the FilterTrak 660 body.
12. Store the calibration body with the cover securely in place.
Figure 2 Pouring the StablCal Standard
Figure 3 Calibration Body with FilterTrak 660 Head Assembly in Place
Place the funnel into the body.
Slowly pour the StableCal
Standard into the funnel
®
Drain
CONFIGURE
STATUS
POWER
REMOTE
Laser Turbidimeter
FilterTrak 660
™
FilterTrak 660
™
© Hach Company, 2000. Printed in the U.S.A. All Rights Reserved dd/dp 2/00 1ed
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