1 Important Notices on Safety
1-1. Danger cases
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6-2-3. 4 – 20 mA condition settings (4 – 20 mA SETTINGS).............................................................................. 53
6-2-4. 4 – 20 mA output adjustment (4 – 20 mA ADJUSTMENT) ....................................................................... 54
6-2-5. 4 – 20 mA output test (4 – 20 mA TEST) ................................................................................................. 55
6-2-6. Reference calibration (REF. CALIBRATION) ........................................................................................... 56
6-2-7. Offset (OFFSET ADJUSTMENT) ............................................................................................................. 57
6-2-8. Display and contact operation settings (DISP. & CONTACT SETTINGS) ................................................ 58
6-2-9. LCD display settings (LCD DISPLAY SETTINGS) ................................................................................... 59
6-2-10. RS-485 (MODBUS) communication settings (RS-485(MODBUS) SETTINGS) ..................................... 60
6-2-11. Change of energized contact settings (CONTACT SETTINGS) ............................................................. 61
6-2-12. Check the contact operation (CONTACT TEST) .................................................................................... 61
6-2-13. Password change (PASSWORD SETUP (SETUP MODE)) .................................................................. 62
6-2-14. Log data download (IrDA COMMUNICATION) ...................................................................................... 62
7. Maintenance
63
7-1. Maintenance intervals and items ...................................................................................................................... 63
7-1-1. Daily maintenance ................................................................................................................................... 63
7-1-2. Monthly regular maintenance .................................................................................................................. 64
7-1-3. Biannual regular maintenance ................................................................................................................. 65
7-2. Recommended regular replacement parts ....................................................................................................... 66
8. Storage, Relocation, and Disposal ............................................................................................................................ 67
8-1. Procedures to store the calorimeter or leave it for a long time ......................................................................... 67
8-2. Procedures to relocate the calorimeter or use it again ..................................................................................... 67
8-3. Disposal of products ......................................................................................................................................... 68
9. Troubleshooting ......................................................................................................................................................... 69
9-1. <FAILURE> ...................................................................................................................................................... 69
9-2. <OUT OF SPECIFICATION>............................................................................................................................ 72
9-3. <MAINTENANCE REQUIRED> ....................................................................................................................... 74
9-4. <FUNCTION CHECK> ..................................................................................................................................... 75
9-5. CAUTION screen ............................................................................................................................................. 76
9-6. Others............................................................................................................................................................... 77
9-7. If not applicable to display ................................................................................................................................ 78
10. Product Specifications ............................................................................................................................................. 79
10-1. Product specifications..................................................................................................................................... 79
10-2. Principle of this product .................................................................................................................................. 80
10-2-1. Opt-Sonic calculation (calorific value) .................................................................................................... 80
10-2-2. Opt-Sonic calculation (specific gravity) .................................................................................................. 82
10-2-3. Principle of optical sensor ...................................................................................................................... 84
10-2-4. Principle of sonic sensor ........................................................................................................................ 85
11. Definition of Terms ................................................................................................................................................... 86
11-1. Definition of terms used in operating manual .................................................................................................. 86
11-2. Definition of terms used in "Measuring gas specification sheet" ..................................................................... 87
