T User's Manual - Teledyne 8800T Instruction Manual

8800T User's Manual

Troubleshooting unexpected readings (table spans 2 pages)
For non-sensor related problems (e.g. no reading on instru-
ment) refer to section 3.5
Symptom
Reading is not
changing
Slow Response
Dry Reading
Wet Reading
Display Shows
Display Shows
Display Shows
page 10
Possible Cause
Condensation in sample system.
1. Water vapor in the system.
2. Flow rate too low.
3. Sample pipe too large and/or too long.
4. Unsuitable sample pipe material.
5. Leaks
6. Hygroscopic materials in sample system
SpanCheck™ wrongly set, or faulty sensor.
Leak in system or use of unsuitable pipe.
Comparison of readings with manual cooled-
mirror instrument.
Prolonged exposure to wet gas.
1. Instrument Failure
2.Short circuited sensor.
1. Instrument failure.
2. Open circuit on sensor
.