7
Table of Contents
1
Installation ............................................................................................9
2
Calibration..........................................................................................13
Relationship between calibration and sensor length......................... 13
Calibration methods.......................................................................... 13
Variations in the dielectric with changing density ........................... 15
Open Dewar Calibration ................................................................................ 16
Closed Dewar Calibration.............................................................................. 16
Presetting the MAX/MIN calibration points .................................... 17
Closed dewar calibration procedure ................................................. 18
Approximate Calibration ............................................................................... 19
3
Operation ............................................................................................23
Sensor contamination........................................................................ 27
4
RS-232 Communication/Data Logger Option .................................29
Serial port connector and cabling ..................................................... 29
Command/return termination characters .......................................... 29
Communication DIP Switch Settings ............................................................ 30
Baud rate control............................................................................... 30
Data logger output interval ............................................................... 30
Echo function.................................................................................... 31
Data logger function ......................................................................... 31
RS-232 Command Set Reference .................................................................. 32
Commands for controlling the units of measurement....................... 32
Commands for configuring permanent memory............................... 33
Commands for querying the configuration....................................... 34
Command for returning a level measurement .................................. 34
Error Codes .................................................................................................... 35
5
IEEE-488 Communication Option ...................................................37
Command/return termination characters .......................................... 37
Communicating with the Model 186 ................................................ 37
Communication DIP Switch Settings ............................................................ 39
IEEE-488 primary bus address ......................................................... 39
IEEE-488 Command Set Reference .............................................................. 40
Device clear (DCL) command.......................................................... 40
Commands for controlling the units of measurement....................... 41
Commands for configuring permanent memory............................... 42
Commands for querying the configuration....................................... 43
Command for returning a level measurement .................................. 43
Содержание 186
Страница 3: ...2 Introduction ...
Страница 13: ...12 Installation Configuring power ...
Страница 23: ...22 Calibration Approximate Calibration ...
Страница 29: ...28 Operation Sensor contamination ...
Страница 37: ...36 RS 232 Communication Data Logger Option Error Codes ...
Страница 47: ...46 IEEE 488 Communication Option Serial Poll Status Byte ...
Страница 55: ...54 Virtual Instrument Operation Running multiple GPIB devices ...
Страница 65: ...64 Index ...