Hach-Lange PHC10130 User Manual User Manual
Page 10
Message or symptom
Possible cause
Action
Drifting/Inaccurate readings
Incorrect settings
Measurement Options—Make sure that Temp Correction
(Correction Factor if not set as NaCl) and reference
temperature are both correct.
Calibration Options—Make sure that Standard Value,
Reference Temperature and Temp Correction are all
correct.
Mineral or sample buildup on
cell
Clean the probe (refer to
on page 8).
CO2 absorption in LIS/high
purity samples
Isolate LIS/high purity samples to prevent sample
contamination.
Bubbles trapped under probe
tip
Gently shake the probe until bubbles are removed.
Calibration failed - Out of
limits/Out of range
Incorrect settings
Measurement Options—Make sure that Temp Correction
(Correction Factor if not set as NaCl) and reference
temperature are both correct.
Calibration Options—Make sure that Standard Value,
Reference Temperature and Temp Correction are all
correct.
HACH COMPANY World Headquarters
P.O. Box 389, Loveland, CO 80539-0389 U.S.A.
Tel. (970) 669-3050
(800) 227-4224 (U.S.A. only)
Fax (970) 669-2932
[email protected]
www.hach.com
HACH LANGE GMBH
Willstätterstraße 11
D-40549 Düsseldorf, Germany
Tel. +49 (0) 2 11 52 88-320
Fax +49 (0) 2 11 52 88-210
[email protected]
www.hach-lange.de
HACH LANGE Sàrl
6, route de Compois
1222 Vésenaz
SWITZERLAND
Tel. +41 22 594 6400
Fax +41 22 594 6499
©
Hach Company/Hach Lange GmbH, 2010, 2013. All rights reserved. Printed in U.S.A.
05/2013, Edition 2