1
Brief Introduction ............................................................................................................. - 1 -
1.1
Features ................................................................................................................................. - 1 -
1.2
Features of the LabSen753 spear pH electrode ....................................................................... - 1 -
2
Technical Specifications ..................................................................................................... - 2 -
2.1
Meter’s Technical Specs .......................................................................................................... - 2 -
2.2
Others .................................................................................................................................... - 2 -
2.3
Electrode Technical Specs ....................................................................................................... - 3 -
3
Instrument Description ..................................................................................................... - 3 -
3.1
LCD Display ............................................................................................................................ - 3 -
3.2
Keypad ................................................................................................................................... - 4 -
3.3
Display mode ......................................................................................................................... - 6 -
3.3.1
Reading stability display mode ............................................................................................... - 6 -
3.3.2
Automatic lock-up display mode ............................................................................................ - 6 -
3.4
Data storage, recall, and delete .............................................................................................. - 6 -
3.4.1
Manual storage ....................................................................................................................... - 6 -
3.4.2
Automatic timing storage ....................................................................................................... - 6 -
3.4.3
Recall stored value .................................................................................................................. - 6 -
3.4.4
Clear stored value ................................................................................................................... - 6 -
4
pH Measurement .............................................................................................................. - 7 -
4.1
Information regarding pH Calibration ..................................................................................... - 7 -
4.1.1
Standard Buffer Solution ........................................................................................................ - 7 -
4.1.2
3-Point Calibration .................................................................................................................. - 7 -
4.1.3
How often to calibrate ............................................................................................................ - 7 -
4.1.4
Calibration reminder ............................................................................................................... - 8 -
4.1.5
Check calibration time ............................................................................................................ - 8 -
4.1.6
Change temperature manually ............................................................................................... - 9 -
4.2
pH Calibration (use 3-point as an example) ............................................................................ - 9 -
4.3
Customized Calibration ......................................................................................................... - 10 -
4.4
Sample test ........................................................................................................................... - 10 -
5
mV measurement ........................................................................................................... - 12 -
5.1
ORP measurement ................................................................................................................ - 12 -
5.2
Notes of ORP measurement .................................................................................................. - 12 -
6
Parameter Setup ............................................................................................................. - 13 -
6.1
Main menu ........................................................................................................................... - 13 -
6.2
Submenu .............................................................................................................................. - 13 -
6.3
Submenu of pH parameter setup (press or key to switch) ......................................... - 14 -
6.4
Submenu of basic parameter setup (press key or key to switch) ............................... - 15 -
7
USB Communication ....................................................................................................... - 16 -
7.1
System Requirement ............................................................................................................. - 16 -
7.2
Software Interface ................................................................................................................ - 16 -
7.3
Load software ....................................................................................................................... - 17 -
7.4
Automatic connection port ................................................................................................... - 17 -
7.5
Run software ........................................................................................................................ - 17 -
7.6
Storage during operation ...................................................................................................... - 17 -
7.7
Data processing ..................................................................................................................... - 18 -