The
detectors LB 4430 and LB 5430 make it easy to
reduce the necessary source activity.
Their
sensitivity to Gamma radiation is extremely high;
however, this also means that
they are
highly sensitive to environmental radiation (background)
and its fluctuation. The
Berthold
Super Sens detector is equipped with a lead
shielding which significantly reduces interference due to
background and its fluctuation. As a result
of the lower "background level'
the required
"useful signal“, and thus the necessary source
activity, can be reduced even further. The
combination of high sensitivity and low background
allows lowest source activities.
What makes the LB 445 so
much more sensitive compared with other scintillation detectors? The
LB445 uses a 150mmX150mm specially doped plastic crystal which is
designed to detect process material in both tanks and pipes.
Shown above is the standard
configuration for a point level system. The SuperSens is
mounted opposite the radiometric source across the vessel. With this
configuration, the Super Sens is the right solution for high and low
point level applications in thick walled or large diameter vessels.
Compared to a standard
Geiger Mueller tube, the SuperSens has a relative sensitivity of 65
times. When compared to a standard sodium iodide detector, the
SuperSens is approximately 3 times more sensitive.
Below is a picture of the
SuperSens in a continuous level configuration. Using Berthold
Technologies'
rod source and shielding, the SuperSens will
perform in the most difficult, thick walled applications where other
systems will not. The SuperSens is also an outstanding choice for
retrofit
applications where sources are nearing their half
life.

The Super Sens is also a
great way to measure the density of process material in very large
diameter pipes. Because of the greater sensitivity over more
traditional density measurement methods, the SuperSens also allows
much lower radiometric source activities to be used.
Selected Technical Data
LB 4430 LB
5430
Dose rate for
1000 cps-1
for Cs-137
0.14 µVs./h
for Co-60 0.2
µVs/h
Operating
temperature -20 …50°C
Storage
temperature -40°C…+ 55°C
Mounting
flange ND 200, NP 6 DIN 2527
Housing
stainless steel
Evaluation
units LB 440, LB 441, LB 442, LB 444
Protection
type ATEX Ex IIG EEx ib d II C T6 /
EEx de II C T6
/ IP 65
IP 65
Weight approx.
54 kg approx. 52 kg
To find our more about the
LB 445 Super Sens,
Click here
to download a
brochure
Click here
to
download Product and Technical information
Have more questions? Just
call us at 865-483-1488 and ask for Sales. To email us with any
questions, please contact us at the following address:
berthold-us@berthold.com