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CI-2808B
SERIES 2808 PRESSURE TRANSMITTERS
MODEL 2808-15B, 16B & 35B
TABLE OF CONTENTS
SECTION TITLE PAGE #
Section 2 - INSTALLATION
2.1 INSTALLATION NOTES............................................................................................... 2-1
2.2 INSTALLATION IN HAZARDOUS AREAS................................................................. 2-1
2.3 ELECTRICAL WIRING NOTES ................................................................................... 2-2
2.4 WIRING OF 4-20mA SIGNAL/POWER LOOP ............................................................ 2-3
2.5 WIRING OF 1-5V SIGNAL/POWER LOOP.................................................................. 2-6
2.6 EFFECTS OF LEAD & LOAD RESISTANCE & SUPPLY VOLTAGE ...................... 2-6
Section 3 - CALIBRATION
3.1 CALIBRATION SETUP .................................................................................................3-1
3.2 ACCESS TO ADJUSTMENTS ......................................................................................3-1
3.3 EXTERNAL CHECK PROCEDURE ............................................................................. 3-4
3.4 CALIBRATION ADJUSTMENTS ................................................................................. 3-4
3.5 TYPES OF RANGE CALIBRATION.............................................................................3-5
3.6 ZERO-BASED CALIBRATION ..................................................................................... 3-8
3.7 ELEVATED ZERO CALIBRATION..............................................................................3-8
3.7.1 Zero Elevation Example .................................................................................................3-9
3.8 SUPPRESSED ZERO CALIBRATION ......................................................................... 3-9
3.8.1 Zero Suppression Example........................................................................................... 3-11
3.9 SELECTABLE DAMPING...........................................................................................3-11
Section 4 - SERVICE
4.1 GENERAL.......................................................................................................................4-1
4.2 TROUBLESHOOTING ..................................................................................................4-1
4.3 FACTORY REPAIRS...................................................................................................... 4-1
Section 5 - SPECIFICATIONS
5.1 FUNCTIONAL SPECIFICATIONS .............................................................................. 5-1
Current Loop Mode: ................................................................................................. 5-1
Voltage Mode: ........................................................................................................... 5-1
Calibration Adjustments: ........................................................................................ 5-1
Response Time & Damping ..................................................................................... 5-1
Linearity: ..................................................................................................................5-2
5.2 PERFORMANCE SPECIFICATION............................................................................. 5-2
Accuracy:................................................................................................................... 5-2
Resolution: ................................................................................................................5-2
Long Term Stability: ................................................................................................ 5-2
Ambient Temperature Effect:.................................................................................. 5-2
Power Supply Effect:................................................................................................5-2
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