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D-Guard² Instruction Manual
5 List of Figures
Figure 1. D-Guard² .
Figure 2. Keywords and symbols used in this manual. . . . . . . . . . . . . 6
Figure 3. List of supplied items.. . . . . . . . . . . . . . . . . . . . 8
Figure 4. D-Guard² mounting dimensions in millimetres. . . . . . . . . . . . 9
Figure 5. Arrows show magnetic sensor positions. . . . . . . . . . . . . . 12
Figure 6. D-Guard² menu icons.
Figure 7. D-Guard² splash screen. . . . . . . . . . . . . . . . . . . . 13
Figure 8. D-Guard² at sensor warm up. . . . . . . . . . . . . . . . . . 13
Figure 9. D-Guard² normal operating screen. . . . . . . . . . . . . . . . 13
Figure 10. Main display layout. . . . . . . . . . . . . . . . . . . . . 14
Figure 11. Menu locked. . . . . . . . . . . . . . . . . . . . . . . 14
Figure 12. Menu unlocked. . . . . . . . . . . . . . . . . . . . . . 14
Figure 13. Trend Bar states. . . . . . . . . . . . . . . . . . . . . . 18
Figure 14. Sensor Gain Warning. . . . . . . . . . . . . . . . . . . . 26
Figure 15. Span Gas Concentration Warning. . . . . . . . . . . . . . . . 27
Figure 16. Zero Gas Concentration Warning. . . . . . . . . . . . . . . . 28
Figure 17. Sensor gain warning
Figure 18. Minimum alarm level warning. . . . . . . . . . . . . . . . . 33
Figure 19. Maximum alarm level warning. . . . . . . . . . . . . . . . . 33
Figure 21. AL1 Latched. . . . . . . . . . . . . . . . . . . . . . . 36
Figure 20. AL1 and AL2 Latched. . . . . . . . . . . . . . . . . . . . 36
Figure 22. AL2 Latched. . . . . . . . . . . . . . . . . . . . . . . 36
Figure 23. D-Guard² home screen when isolated. . . . . . . . . . . . . . 38
Figure 24. Error codes.
Figure 25. 4-20 mA output loop fault currents.
Figure 26. D-Guard² dimensions in millimetres (front view). . . . . . . . . . . 48
Figure 27. D-Guard² dimensions in millimetres (side view).
Figure 28. D-Guard² mechanical specifications. . . . . . . . . . . . . . . 50
Figure 29. D-Guard² General Specifications. . . . . . . . . . . . . . . . 51
Figure 30. D-Guard² electrical connections.
Figure 31. D-Guard² general versions. . . . . . . . . . . . . . . . . . 52
Figure 32. Sensor warranty periods in months. . . . . . . . . . . . . . . 53
Figure 33. D-Guard² replacement parts - exploded view. . . . . . . . . . . . 54
Figure 34. D-Guard² replacement parts list.
Figure 35. PCB 57-0028 jumper locations. . . . . . . . . . . . . . . . . 56
Figure 36. PCB 57-0028 jumper settings. . . . . . . . . . . . . . . . . 56
Figure 37. Splash Guard. . . . . . . . . . . . . . . . . . . . . . . 57
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Item Number 201018
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