Solartron Mobrey 7828 - Page 7

7828 Density Transmitter Technical Manual Contents
78285000_AB vii
SECTION 5 - CALIBRATION CHECK
5.1 CALIBRATION................................................................................... 5-1
5.1.1 Factory calibration .............................................................................5-1
5.1.2 Calibration of transfer standards .......................................................5-1
5.1.3 Instrument calibration ........................................................................5-1
5.1.4 General density equation...................................................................5-2
5.2 SAMPLE CALIBRATION CERTIFICATE............................................ 5-3
5.3 USER CALIBRATION CHECKS......................................................... 5-4
5.3.1 Ambient air calibration check.............................................................5-4
5.3.2 On-line calibration adjustment...........................................................5-4
SECTION 6 - MAINTENANCE
6.1 GENERAL.......................................................................................... 6-1
6.2 GENERAL MAINTENANCE ............................................................... 6-2
6.2.1 Physical checks .................................................................................6-2
6.2.2 Electrical checks................................................................................6-2
6.2.3 Calibration check ...............................................................................6-2
6.3 FAULT ANALYSIS AND REMEDIAL ACTION................................... 6-3
6.3.1 Mechanical servicing .........................................................................6-3
6.3.2 Time Period Trap...............................................................................6-3
APPENDIX A - SPECIFICATION
A.1 GENERAL..........................................................................................A-1
A.2 SPECIFICATION................................................................................A-1
A.2.1 Sensor performance..........................................................................A-1
A.2.2 Environmental....................................................................................A-2
A.2.3 Transmitter power supply ..................................................................A-2
A.2.4 Analog output.....................................................................................A-2
A.2.5 RS485 Interface.................................................................................A-3
A.2.6 Approvals...........................................................................................A-3
A.3 FACTORY DEFAULT CONFIGURATION ..........................................A-4