二手 Knauer Differential-Refractometer 在 布拉丁根, 巴登-符腾堡州, 德国

:
Differential-
Refractometer
annotation
:
Dokumente
engl
.
The following illustrations and descriptions refer to the instrument model and are drawn from brochures. They do not represent the scope of delivery. Please refer to the text of the offer for the exact scope of delivery.
Technical Data
Differential-
Refractometer
Type 198.00
Type 188.00
Measuring ranges:
0.125,
0.25,
.
128
0.125,
0.25, . . .
128
Sensitivity (range 1) with
peak­noise
-ratio of
2 :
1 and
t
k
= 0.25 sec:
8 x 10
-8
Δ n
2 x 10
-4
Noise (both flow cells filled with water, time constant
0.25 sec:
＜± 2 x 10
-8
Δn
1 x 10
-6
Drift (if temperature
changes
＜ 0.1 K):
＜2 x 10
-7
Δ n/hour
3 x 10
-6
Δn/hour
Linearity:
0.2% full deflection
in