3
3.2.3 Pump low flow alarm 16
3.3 Sample draw probe 17
4. CALIBRATION 17
4.1 Functional (Bump) testing 17
4.2 Fresh Air/Zero Calibration 18
4.2.1 Fresh air/zero calibration failure 18
4.2.2 Manual fresh air / zero calibration 19
4.3 Span Calibration 19
4.3.1 Span calibration failure: Toxic and LEL sensors 20
4.3.2 Span calibration failure: Oxygen sensors 20
5. MAINTENANCE 21
5.1 Batteries 21
5.2 Replacing alkaline batteries 21
5.3 Maintaining Li-Ion battery packs 21
5.3.1 Storage guidelines for the Li-Ion battery 22
5.3.2 Charging guidelines for Li-Ion battery 22
5.3.3 Charging procedure for Li-Ion battery 22
5.3.4 Charging with the pump attached. 22
5.3.5 Battery troubleshooting 22
5.4 Sensor replacement 22
5.4.1 Sensor replacement (Not Duo-Tox) 22
5.4.2 Duo-Tox sensor replacement 23
5.5 Sample probe assembly 24
5.5.1 Changing sample probe filters 24
5.5.2 Changing sample probe tubes (wands) 24
5.6 MultiPro Pump Maintenance 25
5.6.1 Replacing pump filters 25
6. DIRECT PROGRAMMING 25
6.1 Entering the Advanced Menu 25
6.2 Set options 26
6.3 Set time 26
6.4 Set date 26
6.5 Set alarms 26
6.6 Set cal gas 27
6.7 Set cal due 27
6.8 Set bump test due 27
6.9 Setup accept 27
APPENDICES 28
Appendix A Toxic gas measurement – Warning, Danger, STEL and TWA alarms 28
1. Warning and Danger Alarms 28
2. Time Weighted Average (TWA): 28
3. Short Term Exposure Limits (STEL): 28
Appendix B Calibration Frequency Recommendation 29
Appendix C: Calibration Frequency 29
Appendix C MultiPro Sensor Information 30
Appendix D Toxic Sensor Cross-Sensitivity 30
Appendix E: Basic Parts List 30
MultiPro Remote Sampling Accessories 30
MultiPro Sensors 30
MultiPro Charging & Datalogging Accessories 30
Appendix F Biosystems Standard Warranty Gas Detection Products 31
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