Scaler ratemeter: SR 680

SR 680 is a scalemeter to which GM-tubes or photomultiliers can be
connected.
This version can be used for e.g. smear tests, but is also very suitable for
educative ends.

The LCD-screen presents the following values:
The number of counts (6 decades).
High voltage.
Time to be measured.
Message when a counter overflow occurs.

Technical data
On the front panel is high voltage adjustable from 400-1.500 V
Preset time: in steps of 10, 30, 60 , 100 , 300 and 600 or to your wishes.
Ratemeters: Logarithmic 0.. 2000 c/s auto time constant

Scaler timer ST 680 P

Scaler timer ST 680 P
ST 680 P is a scaler timer which can be connected to a PC- USB-port.
The device is available in an one-channel or a two-channel version.
High voltage can be adjusted on the front panel.
The operation of the scaler timer is via the PC
Multiple devices can be connected to one pc
Measurement results are recorded into an excel-file

Technical data
High voltage adjustable on the front panel from 400 - 1500 V.
Preset time in steps of 1 minute : from 1 -99.999 minutes.
Counter: 6 decades.