4.2 Confirmation of Performance Specifications
(1) After turning on power supply, set wavelength at 250 nm
and conduct warm-up for about 1 hour.
WL
Press key.
250
WAVELENGTH (190 – 600) nm
Press [numerical] keys [2][5][0], and then the [ENT] key.
(2) Carry out auto zero.
A/Z
Press key.
0.0 250 0.0000 1
D2
TIME
WL
ABS
PROG
LAMP [I]
(3) Start the chromato-integrator and record the baseline for 15
minutes.
(4) From the recorded chart, figure out noise value according to
ASTM1657-98 (JAIMAS 0005-2008).
*
Y
2
Y
3
Y
1
15 minutes
CENTER
*
X
2
X
3
X
1
Noise value = (X
n
is given in steps of 30
seconds.)
R=n
∑
Y
R
/n
R=l
(Excerpt from JAIMAS 0005-2008)
4 - 4
Summary of Contents for CHROMASTER 5160
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