Vogtlin Red-y compact 2 Series, Operating Instructions Manual, Page: 3 / 47

before you disconnect terminal connections in potentially dangerous surroundings to
avoid sparks.
Table of contents
1. Introduction 7
1.10. Features of red-y compact 2 thermal
mass flow meters
7
1.11. Scope of warranty 7
1.12. Instructions and warnings 8
1.13. Documentation and cables supplied 8
1.14. The measurement principle 8
1.15. Real, Standardized and Normalized flow 9
1.16. CMOS technology 10
1.17. Block diagram 11
2. General device specifications 12
2.10. Safety 13
2.11. Electrical data for meter GCM and
regulator GCR
13
2.12. Measurement ranges (air) 13
2.13. USB interface 14
2.14. Battery 14
2.15. Optional modules 15
2.16. Calibration 16
2.17. Operation with other gases 16
2.18. Pressure loss 17
2.19. Temperature compensation 17
2.20. Pressure compensation 17
2.21. Response time 17
2.22. Filter settings 17
3. Installation and commissioning 17
3.10. Scope of delivery 17
3.11. Mounting position and mounting location 18
3.12. Requirements for pipework 18
3.13. Fittings and filters 19
3.14. Filters / Gas cleanliness 19
3.15. Electrical power supply 19
3.16. How to replace the battery? 21
3.17. Warm-up time 22
4. Operation 22
4.10. Introduction 23
4.11. Main Menu 28
4.12. Settings 36
5. Maintenance 42