4. Consumables Replacement .......................................................................... 35
4.1 Filter Replacement ...........................................................................................35
4.2 Protective LCD Sheet Replacement .................................................................36
5. Main Specification ........................................................................................ 37
6. Troubleshooting ............................................................................................ 39
6.1 Check Power.....................................................................................................39
6.2 Check while Measuring....................................................................................39
6.3 Zero Check .......................................................................................................40
6.4 Sensitivity Check..............................................................................................40
6.5 Calibration Check.............................................................................................41
6.6 Analog Output ..................................................................................................41
6.7 Pulse Output .....................................................................................................42
6.8 Alarm Output....................................................................................................42
6.9 Calendar Setting ...............................................................................................42
7. Warranty and After-sales Service............................................................... 43
8. Contact Information ..................................................................................... 45
