TABLE OF CONTENTS
Page V
© 2007 DH Instruments, a Fluke Company
7 .
M A I N T E N A N C E O F T R A C E A B I L I T Y A N D R E C A L I B R A T I O N . . . 1 6 7
7.1
PRINCIPLES OF GFS2102 TRACEABILITY MAINTENANCE ........................................................... 167
7.2
[PC TIMER CALIBRATION] ................................................................................................................ 167
7.3
MOLBOX AUTOZ AND TARE OPERATIONS.....................................................................................167
7.4
REFERENCE MASS RECALIBRATION..............................................................................................167
7.5
LABORATORY CONDITIONS MONITOR (LCM) RECALIBRATION ................................................. 168
7.5.1
OVERVIEW ................................................................................................................................................168
7.5.2
AS RECEIVED DATA REVIEW .................................................................................................................169
7.5.3
LCM TIME VERIFICATION OR ADJUSTMENT ........................................................................................169
7.5.3.1
PRINCIPLE ............................................................................................................................................169
7.5.3.2
LCM TIME VERIFICATION ....................................................................................................................169
7.5.3.3
LCM TIME ADJUSTMENT .....................................................................................................................170
7.5.3.4
EQUIPMENT REQUIRED.................................................................................................................170
7.5.3.5
OPERATION .....................................................................................................................................170
7.5.4
AMBIENT P, T, H SENSOR ADJUSTMENT .............................................................................................171
7.5.4.1
PRINCIPLE ............................................................................................................................................171
7.5.4.2
ENCLOSURE PRESSURE SENSOR ....................................................................................................172
7.5.4.3
AMBIENT TEMPERATURE SENSOR ...................................................................................................173
7.5.4.4
RELATIVE HUMIDITY SENSOR............................................................................................................174
7.5.5
TH PROBE ADJUSTMENT........................................................................................................................175
7.5.5.1
TH PROBE TEMPERATURE SENSOR.................................................................................................175
7.5.5.2
TH PROBE RELATIVE HUMIDITY SENSOR ........................................................................................176
7.5.6
EXTERNAL PRT TEMPERATURE ADJUSTMENT ..................................................................................177
7.5.7
INFRARED (IR) CYLINDER TEMPERATURE ADJUSTMENT .................................................................178
7.5.8
LCM OHMIC MEASUREMENT SYSTEM VERIFICATION........................................................................179
7.5.9
STANDARD RESISTOR MEASUREMENT AND ADJUSTMENT .............................................................181
7.5.10
LCM REMOTE COMMAND FOR AUTOMATION......................................................................................182
7.6
MOLBOX RECALIBRATION ............................................................................................................... 183
7.7
MFC-CB RECALIBRATION................................................................................................................. 183
7.8
BALANCE RECALIBRATION.............................................................................................................. 183
7.8.1
INTERNAL BALANCE CALIBRATION......................................................................................................183
7.8.2
GFS TOOLS ZERO AND SPAN CALIBRATION.......................................................................................183
7.8.3
VERIFICATION BY MASS CARRIER........................................................................................................184
8 .
T R O U B L E S H O O T I N G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 5
8.1
OVERVIEW .......................................................................................................................................... 185
9 .
A P P E N D I X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 7
9.1
GLOSSARY ......................................................................................................................................... 187
9.2
TYPICAL TEST SETUPS..................................................................................................................... 188
9.3
WARRANTY STATEMENT .................................................................................................................. 189