Section 3
3.1 Instrument keys and display
1
POWER/BACKLIGHT
2
ZERO/SCROLL (BLUE key)
3
MENU
4
Numeric display
5
Measuring range indicator (1)
3.1.1
Key-Functions
ZERO/SCROLL (BLUE key) : In measurement mode, sets the instrument to zero. In
menu mode, scrolls through menu options. Also scrolls numbers when entering or
editing a value.
READ/ENTER (GREEN key) : In measurement mode, initializes sample
measurement. In menu mode, selects a menu option. When entering numbers,
moves one space to the right. Confirm the function when the entry is complete.
3.2 Enter calibration data of LANGE Cuvette Tests
3.2.1
Overview
Each POCKET COLORIMETER II has two channels in which measurements can be
made. Each channel (measuring range) will accept user-defined calibration data.
This application instruction contains the calibration data of the LANGE Cuvette Test
for Chlorine/Chlorine dioxide/Ozone:
System start up
1
1
adsorbance
adsorbance
Figure 1 Instrument keys and display
528 nm
2
2
6
Measuring range indicator (2)
7
Menu indicator
8
Calibration adjusted indicator
9
Battery low indicator
10 READ/ENTER (GREEN key)
21