PCE Instruments AR3 Betriebsanleitung Seite 25

3. Setting Up
1
Screw the lighting plate with the knurled screw onto the
lightning mount . Mount the lightning cable to the
1
corresponding sockets .
2
2
Screw the temperature sensor of the digital thermom-
eter with the sealing ring into the thermometer mount 3
3
and connect the stereo plug to the stereo socket.
It is necessary to keep the temperature constant for ab-
solute exact measurements because the refractive index
of liquids alters with the temperature.
For temperature control of the prisms, flexible piping
connections are supplied.
Connect the power cable with the device and then
4
with the power supply.
4
Connect the thermostat pipe to the connecting nipple
5 ....
5
... The lukewarm water flows round the measuring
8
prism, through a small piece of pipe from nipple 6 to
7
nipple , then through the illuminating prism and
leaves this through the second nipple .
8
7
6
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