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Summary of Contents for Envent Dilution
- Page 1 Dilution Sample System User’s Manual Last Updated: August 22, 2024 Revision: 1.1...
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Page 3: Table Of Contents
List of Figures Figure 1: Dilution Chamber __________________________________________________________________________ 4 Figure 2: Dilution Sample System Layout ______________________________________________________________ 5 Figure 3: Dilution Sample System Flow Diagram _________________________________________________________ 6 List of Tables Table 1: Troubleshooting ............................... 9 Table 2: Spare Parts List ..............................10 Table 3. -
Page 5: Introduction
INTRODUCTION About This Manual The Dilution User’s Manual should be used in addition to the Model 330S & 331S Hydrogen Sulfide Analyzer User’s Manual. This manual should be read and referenced by the person who will install, operate, or modify the Dilution sample system. -
Page 6: Limitation Of Warranty
An extended warranty may be available with certified start-up. Contact Envent Engineering Ltd for details. Envent Engineering Ltd reserves the right to change the product design and specifications at any time without prior notice. 1.2.2 Disclaimer No other warranty is expressed or implied. -
Page 7: Key Symbols
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 1.3.1 Key Symbols The following symbols are used throughout the manual to call attention to important information. We recommend familiarizing yourself with them before reading further. Indicates a potential hazard that, if not properly addressed, could result in damage to the equipment or injury to the operator. -
Page 8: Equipment Overview
The dilution chamber uses a membrane tubing coiled in the dilution chamber. As the gas enters the chamber a small portion of the gas permeates through the membrane. It then mixes with the carrier gas, which is then analyzed by the hydrogen sulfide analyzer. -
Page 9: Figure 2: Dilution Sample System Layout
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 A calibration fitting is provided for introduction of a calibration gas. A three-way valve is also provided to allow the dilution chamber to be purged with carrier gas prior to being serviced. CAUTION: High levels of hydrogen sulfide are present in the dilution sample system. -
Page 10: Figure 3: Dilution Sample System Flow Diagram
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 Figure 3: Dilution Sample System Flow Diagram... -
Page 11: Maintenance
SCBA (Self-contained Breathing Apparatus) and SABA (Supplied Air Breathing Apparatus). The dilution sample system will generally operate for up to one year with no service required. It will also protect the analyzer from liquid or particulate contamination in the sample. If the dilution sample system is flooded with hydrocarbon liquids, water or compressor oil, the dilution membrane tubing may require replacement. -
Page 12: Leak Check Procedure
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 Leak Check Procedure After putting the dilution chamber back into service after opening, it should be checked for leaks. The steps are as follows: Step 1 Connect sweet carrier gas or instrument air to the calibration three-way valve. -
Page 13: Troubleshooting
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 TROUBLESHOOTING Problems Possible Reasons Possible Solutions Unexpected high Dilution tubing was replaced Replace tubing with appropriate length. readings with a longer piece than was Consult Envent for clarification. originally in the canister. -
Page 14: Appendix A - Recommended Spare Parts
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 APPENDIX A - RECOMMENDED SPARE PARTS Part Number Quantity Description 2000119 Length is Silicone Dilution Tubing dependent or range 1000014 Critical Orifice 3100037 Small Dilution Canister 3100038 Large Dilution Canister... -
Page 15: Appendix B - Risks & Safety Information
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 APPENDIX B – RISKS & SAFETY INFORMATION Hydrogen Sulfide Properties Description Properties Physical State Gaseous above 60˚C Color Colorless - No visible sign of H2S to warn you of its presence Odor Characteristic smell of rotten eggs at 0.5 ppm;... -
Page 16: Table 4. Hydrogen Sulfide Quantities & Health Effects
Envent Engineering Ltd – Dilution User’s Manual – Revision 1.1 Hydrogen Sulfide Quantities and it’s Health Effects Possible health Effects Exposure <1ppm - No known health effects - Can be smelled 10-20 ppm > No known health effects for most people >... -
Page 17: Contact Us
CONTACT US In the event that a situation arises that is not covered by this manual, we encourage you to contact us so that we can help you resolve any issues you may have. Please have this manual readily available when calling for assistance. - Page 18 Mexico Tel: +52 (833) 247 8260 Avenida Revolución No. 1267, Piso 19, Col. Los Alpes. Álvaro Obregón Email: international@enventengineering.com 01040 Ciudad de México, México International Sales Tel: +1 (877) 365 8408 Email: international@enventengineering.com...
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