Thermo 49i - Page 8

Contents
viii Model 49i Primary Standard Instruction Manual Thermo Fisher Scientific
Analog Output Calibration ...................................................6-14
Analog Input Calibration ......................................................6-15
Calibrating the Input Channels to Zero Volts ....................6-15
Calibrating the Input Channels to Full Scale......................6-16
Optical Bench Temperature Calibration ...............................6-17
I/O Expansion Board (Optional) Replacement .....................6-18
Digital Output Board Replacement.......................................6-19
Motherboard Replacement....................................................6-20
Measurement Interface Board Replacement ..........................6-21
Front Panel Board Replacement............................................6-22
LCD Module Replacement ...................................................6-23
Optical Bench Replacement..................................................6-25
Photometer Board Replacement............................................6-26
Photometer Lamp Replacement ............................................6-27
Photometer Lamp Voltage Adjustment .................................6-28
Sample/Reference Solenoid Replacement ..............................6-29
Detector Replacement...........................................................6-30
Pressure Transducer Replacement .........................................6-31
Pressure Transducer Calibration ...........................................6-32
Flow Transducer Replacement ..............................................6-34
Flow Transducer Calibration ................................................6-35
Ozonator Lamp Replacement................................................6-36
Ozonator Lamp Heater Replacement....................................6-37
Ozonator Replacement..........................................................6-39
Ozonator Board Replacement ...............................................6-39
Service Locations...................................................................6-40
Chapter 7 System Description........................................................................ 7-1
Hardware ................................................................................7-1
Optical Bench with Photometer Lamp.................................7-2
Detector System...................................................................7-2
Flow Transducers.................................................................7-2
Pressure Transducer .............................................................7-2
Ozonator Assembly ..............................................................7-3
Ozonator Lamp Power Supply .............................................7-3
Photometer Lamp power Supply..........................................7-3
Optical Bench Temperature Thermistor ..............................7-3
Pump ...................................................................................7-3
Sample/Reference Solenoid Valves .......................................7-3
Software..................................................................................7-3
Instrument Control..............................................................7-4
Monitoring Signals...............................................................7-4
Measurement Calculations ...................................................7-4
Output Communication......................................................7-5