Contents
Contents
6
BA51101/11.95/Pro/LF538-1
BA51101/11.95/Pro/LF538-1
7
Recommended basic equipment LF 538........................................ 8
Instruction manual
Microprocessor conductivity meter LF 538 ................... 9
Definition of control elements ...................................................... 10
Display .................................................................................................................10
Keyboard .............................................................................................................12
Sockets ................................................................................................................13
Putting into operation ................................................................... 14
Mains power supply .............................................................................................14
Switching on / Display test ..................................................................................15
Measurement ................................................................................. 16
Conductivity measurement ..................................................................................16
Setting the cell constant C ...................................................................................17
Setting of the temperature function TC ................................................................19
Salinity measurement ..........................................................................................21
Measurement of total dissolved solids (TDS) .....................................................22
Selecting the reference temperature ..................................................................23
Switch-over of measuring range selection (automatically/manually) ...................24
Memory for measured values ...................................................... 26
Storage ................................................................................................................26
Readout ...............................................................................................................27
Erasure ................................................................................................................28
Analog output ............................................................................... 29
Serial interface .............................................................................. 30
Automatic transmission of measured values .......................................................31
Measured value transmitted by keypressing .......................................................31
Readout of memory .............................................................................................32
Platinizing the measuring cell ..................................................... 33
RESET function ............................................................................. 34
Maintenance / Cleaning ................................................................. 35
Maintenance ........................................................................................................35
Cleaning...............................................................................................................35
Troubleshooting ............................................................................ 36
Technical data................................................................................ 41
Measuring cells and accessories for the LF 538......................... 47
Conductivity cells and temperature sensors ........................................................47
Recommended accessories.................................................................................48
Spares..................................................................................................................49
Instruction manual
Standard conductivity cell TetraCon
®
325................... 50
Construction .................................................................................. 50
Operation / Maintenance............................................................... 51
Cleaning...............................................................................................................51
Aging of the TetraCon
®
325 cell ..........................................................................52
Disposal ...............................................................................................................52
Plug arrangement .......................................................................... 53
Technical data ............................................................................... 55
Application report: "Control of conductivity systems
acc. to ISO 9000, GLP requirements" .................................. 60
