GE AKTA ready Operating Instructions Manual page 191

Step
1
2
3
4
5
Testing the UV LED
Step
1
2
3
4
5
ÄKTA ready Operating Instructions 28960345 AD
Action
Remove the pH electrode or pH elec-
trode dummy from pressure cell
pressure cell PT112. Insert the Temp
test tool (a in figure) and secure it in
place with the pH electrode nut (b).
Insert a temperature probe, 3-6 mm
in diameter (c), and tighten the top
nut (d) on the Temp test tool.
Connect a calibrated temperature
meter to the probe and start a manu-
al flow of approximately 50% (for
both high flow and low flow kit).
Read the temperature on the refer-
ence temperature meter and com-
pare the reading to the temperature
displayed in UNICORN (Temp_161).
Calculate the deviation.
If the temperature deviation is greater than that given in the specification
(Section 14.4 Ordering information, on page
sentative.
Action
Prepare three acetone solutions with deionized water
0.5% (weight percent)
•
1%
•
2%
•
Connect a flow kit or use the UV cell test tool (part of ÄKTA ready UV Cond
test tools)
In the System Control module, start a stray light calibration.
Fill the cell with deionized water and perform UV-autozero.
Fill the cell with the 0.5% acetone solution and record the reading. Repeat
steps 4 and 5 using the 1% and 2% acetone solutions.
12 Maintenance
12.2 Yearly maintenance
c
b
d
a
PT112
210), contact you local GE repre-
191