а
- excess over (
b
).
b
- value of background radiation.
To take measurements with Background Function it is
necessary to first measure the Background Radiation.
1. Select
menu background background
.
2. A list of 5 measurement points will be displayed.
3. Select measurement point in open site (refer to page 10).
4. Press
, a measurement cycle will be initiated. At the
end of the cycle a list of points/locations with the results of
measurement will appear of the display screen.
5. Repeat items 3 and 4 above for the remaining points.
6. Press , a menu will be displayed on the screen, a tick
symbol will appear next to item
on
.
If Background radiation was measured earlier, you may
proceed with measuring current radiation (in excess of
background).
1. Enter
menu background
.
2. Move to
on
position and press .
DEVICE OPERATION
Measurements
Measurement begins when the device is turned On. The
first result will appear on display after 10 seconds.
Measurements with Background Function
While taking measurements with Background Function,
two radiation values are displayed simultanesously:
To enhance reliability of the measured result, it is
advisable to wait until the device completes not less
than 10 measurement cycles.
Number of measurement points can be reduced
down to one point, to do so press key
after any
measurement cycle. Please note this reduces the
reliability of measurements.
RADEX RD1212
RADEX RD1212
User Guide
4
Measured
Radiation value
a
b