BERTHOLD TECHNOLOGIES Junior LB 9509, Руководство по эксплуатации, Страница: 17 / 48

junior 2.
Instrument Set-Up
17
To open the sample holder: Press the black button.
To close: The cover should be pressed down until it clicks
into place. Only then is the chamber completely closed to light
and measurement process enabled.
The Photomultiplier (Detector)
The photomultiplier (detector) is a single photon counter that
operates in a wavelength range of 380
– 630 nm. The linear
range covers 6 decades.
The measured counts are directly displayed as RLUs.
2.3 Connections
There are two external connections. Both are located on the
rear panel of the
junior and can be protected with the sliding
panel:

USB 2.0 port for transferring data to a personal computer
(serial port). A USB Type B

USB Type A cable is
required.

Female connector to connect the accompanying power
supply. The negative pole is on the inside of the plug.
Figure 2.4: Connections (rear panel of the instrument)