TABLE OF CONTENTS
vi
4.7.2 Change User ID
4-27
4.7.3 Change Alarm Mode
4-28
4.7.4 Change User Mode
4-29
4.7.5 Change Real-time Clock
4-30
4.7.6 Change Light and Buzzer Mode
4-31
4.7.7 Change Password
4-32
4.7.8 Change Pump Duty Cycle
4-33
4.7.9 Change Pump Speed
4-34
4.7.10 Change Averaging Method
4-35
4.7.11 Change Display Language
4-36
4.7.12 Set Temperature Unit
4-37
4.8 Change Sensor Configuration
4-38
4.8.1 Correction Factors
4-39
4.8.2 Change LEL/VOC Gas Selection
4-40
4.8.3 Enable/Disable Sensor
4-43
4.8.4 Change Dilution Ratio
4-44
4.8.5 Change PID Lamp Type
4-45
4.9 Exit Program Mode
4-46
5. Theory of Operation
5-1
6. Maintenance
6-1
6.1 Battery Replacement
6-2
6.2 Sensor Replacement
6-3
6.3 PID Sensor Cleaning / Replacement
6-6
6.4 Taking Care of the Lamp
6-8
6.5 Sampling Pump Replacement
6-10
7. Troubleshooting
7-1
7.1 Possible Problems and Solutions
7-2
Appendix A. Lamp Troubleshooting Details
A-1
Appendix B. Radio Communication Troubleshooting Guide
B-1
Acronyms used throughout manual:
LCD
- Liquid Crystal Display
LED
- Light Emitting Diode
LEL
- Lower Explosive Limit
PC
- Personal Computer
PID
- Photo-Ionization Detector
ppm
- Parts Per Million
RF
- Radio Frequency
STEL
- Short Term Exposure Limit
TWA
- Time Weighted Average
VOC
- Volatile Organic Compound
