Zuzi 4251/50 Manuel D'instructions page 20

1. USES OF THE INSTRUMENT
Zuzi spectrophotometer model 4251/50 is a versatile instrument that performs precise quantitative and qualitati-
ve analysis in the visible and ultraviolet spectral range. It is very useful in conventional laboratories and in a wide
range of fields such as petrochemical and mining industry, agricultural engineering, environmental preservation,
biochemistry, hospitals and research laboratories.
2. DESCRIPTION
1.1 LCD display and control panel
1.2 Sample compartment
1.3 Cell changer manual knob
1.4 Power On/Off
1.2
1.3
2.1 SET: selection of the different functions
2.2 GOTO λ: selection of wavelength
2.3 ZERO: blank
2.4 PRINT: printing of results
2.5 START/STOP: start/stop testing
2.6 RETURN: exit to previous screen or cancel ope-
ration
2.7 ENTER: confirm the input data or selected func-
tion
2.8 CLEAR: clear all characters when inputting data
or clear test results on display
2.9 ▼/▲: browse functions for selection
2.10 [0-9]: numeric keypad for data input or menu
selection
2.11 [-]: input "minus" symbol
2.12 [.]: input dot
Page. 20
1.5 Fuse holder
1.6 Socket
1.7 USB and parallel ports
1.8 Manual power switch 110/220V
1.1
2.2
2.10
Instruction manual 54251050
1.6
1.7
1.8
2.1
SPECTROPHOTOMETER MODEL 4251/50
SET GO TO y ZERO
1 2 3 4
5 6 7 8
9 0 .
CLEAR
2.11
2.12
2.9
2.8
Version 2 Nov-10
1.4
1.5
2.3
2.4
PRINT
2.5
START
STOP
2.6
RETURN
2.7
ENTER