ATI Technologies Q45H/62 Handbuch - Seite 6
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Analytical Technology Unit 1 & 2 Gatehead business PK, OL3 5DE
Phone +44 145 783 2800
Fax +44 145 783 9500
Short Guide for Calibration of pH corrected Q45H62 chlorine monitor
This guide is intended for use for routine calibration only. If problems during calibration occur please consult the
full O&M manual. Main thing to remember is to calibrate the pH using 2 standards prior to calibrating the chlorine
(only when the correction is turned ON).
General
To calibrate the Q45H62 Residual Chlorine Monitor with pH correction turned ON you will need:
1. pH buffers. Ideally pH 4 and pH 7. On applications with pH 7+ use buffers 7 and 10.
2. Method of determining the level of residual chlorine, e.g. Hach colorimeter or Palin test.
3. Chlorinated water 0.100ppm+ for calibration (this minimum is required due to potential error of dpd test.
pH Calibration (Must do first)
Keys to Press
1
MENU/ESC until
2
ENTER
3
∆, ∆, ∆, ∆
4
Place sensor in buffer 1
5
Wait 1 – 2 minutes (stir probe)
6
ENTER
Adjust pH value using left arrow to
7
select digit and to ∆ adjust
8
ENTER
Rinse sensor then place in buffer 2
9
(low)
10
∆
11
ENTER
Adjust pH value using left arrow to
12
select digit and to ∆ adjust
14
ENTER
To return to MEASURE Menu use
15
MENU/ESC, to go to CAL Cl2 press ∆
Normal ("1 Ref") Cl
2
Keys to Press
1
a) ∆ or MENU/ESC
2
ENTER
3
ENTER
Q45H Training Handout 4.05
calibration
Screen Display
CAL MENU
Cal Cl2
Cal Temp, Set Range,
Cal pH type. 2 Pnt, Cal
pH buf1
Cal pH buf XX.X pH
Accepted
Cal pH buf2
Cal pH buf XX.x pH
Accepted
Screen Display
CAL MENU
Cal Cl2
Set cal mode, 1 ref
Page 5 of 11
User Action Required
If Cal pH type 1 Pnt is displayed.
Press ENTER and use∆ to select 2
Pnt
Right hand digit flashes
Wait 1 minute
Right hand digit flashes
User Action Required
If the display says 2 Zero or 3 cmp
press ENTER and use ∆ to adjust to 1