Teledyne 3060e - Ultra Trace oxygen analyzer - Manual (Page 117)

Teledyne Electronic Technologies
Analytical Instruments
5-9
T T T T Trrrrroub oub oub oub oubleshooting and Maintenance leshooting and Maintenance leshooting and Maintenance leshooting and Maintenance leshooting and Maintenance Ultra Ultra Ultra Ultra Ultra T T T T Trace Oxyg race Oxyg race Oxyg race Oxyg race Oxygen Anal en Anal en Anal en Anal en Analyz yz yz yz yzer er er er er
YES NO
MEASURE
RESISTANCE
ACROSS
THERMISTOR
(REFER TO TABLE)
FAILURE
CORRECTED
REPLACE THERMISTOR
IF RESISTANCE IS MORE
THAN 1K
OFF FROM
THE EXPECTED VALUE
YES
NO
PROCEED CALL
SERVICE
FAILURE
CORRECTED
YES NO
APPROX. 10K
AT 25 C
Ω
Ω O
TEMPERATURE
FAILURE
<5 C, >45 C O O
CHECK THE TEMP SETPOINT VS.
ACTUAL TEMP DISPLAYED ON PID
CONTROLLER.
IF A DISCREPANCY IS GREATER
THAN +/- 1 C, PRESS
AT FOR
AUTO TUNE
O
CHECK AMBIENT TEMPERATURE 1
2
3
CHECK THERMISTOR CABLE
AND CONNECTION
PRESS THE START KEY
TO RESET THE ANALYZER
TO THE FACTORY SETTINGS
PRESS THE START KEY
TO RESET THE ANALYZER
TO THE FACTORY SETTINGS
TEMP R
temp
/R
25
C
20 1.249
21 1.194
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
1.142
1.092
1.045
1.000
0.9574
0.9166
0.8778
0.8408
0.8058
0.7722
0.7404
0.7098
0.6808
0.6532
0.6268
0.6016
0.5776
0.5546
0.5326
0.5118
0.4918
0.4726
0.4544
0.4368
TEMPERATURE - RESISTANCE
CONVERSION TABLE
43
44
45
Table 5-5. Temperature Failure