Rosemount 755, Инструкция по эксплуатации

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M
ODEL
755 O
XYGEN
A
NALYZER
ii
748183-H Rosemount Analytical
November 1997
S
ECTION
2. I
NSTALLATION
2.1 UNPACKING............................................................................................ 2-1
2.2 LOCATION............................................................................................... 2-1
2.2.1 Location and Mounting ............................................................... 2-1
2.3 VOLTAGE REQUIREMENTS .................................................................. 2-1
2.4 ELECTRICAL CONNECTIONS................................................................ 2-2
2.4.1 Line Power Connections............................................................. 2-2
2.4.2 Recorder Output Selection and Cable Connections ................... 2-2
2.4.3 Output Connections, Initial Setup for Dual Alarm Option............ 2-6
2.5 CALIBRATION ......................................................................................... 2-10
2.5.1 Downscale Standard Gas........................................................... 2-11
2.5.2 Upscale Standard Gas ............................................................... 2-11
2.6 SAMPLE HANDLING ............................................................................... 2-12
2.6.1 Sample Temperature Requirements........................................... 2-12
2.6.2 Sample Pressure Requirements: General ................................. 2-13
2.6.3 Normal Operation at Positive Gauge Pressures......................... 2-13
2.6.4 Operation at Negative Gauge Pressures.................................... 2-14
2.6.5 Sample Flow Rate ...................................................................... 2-14
2.6.6 Corrosive Gases........................................................................ 2-15
2.7 LEAK TEST.............................................................................................. 2-15
2.8 PURGE KIT (OPTIONAL) ........................................................................ 2-15
S
ECTION
3. S
TARTUP
3.1 STARTUP PROCEDURE......................................................................... 3-1
3.2 CALIBRATION ......................................................................................... 3-1
3.2.1 Calibration with Downscale and Upscale Standard Gases......... 3-4
3.2.2 Alternate Calibration Procedure Using Upscale Standard
Gas Only....................................................................... 3-5
3.3 COMPENSATION FOR COMPOSITION OF BACKGROUND GAS ........ 3-6
3.3.1 Oxygen Equivalent Values of Gases .......................................... 3-7
3.3.2 Computing Adjusted Settings for Zero and Span Controls ......... 3-8