Button
Button
Button
Button
OLED
screen
Battery charge
status: green light
means the battery
is charging
Button
Switch
“open / closed”
for the beta filter
detector
USB-C port
to charge the battery
and connecting to PC
Gamma-beta radiation
scintillation detector
The detector consists of a CsI (Tl)
scintillator and a silicon solid-state
photomultiplier.
!
RADEX OBSIDIAN Radiation Dosimeter
Turning ON for the first time,
using basic settings.
1. Turning ON for the first time
To turn on, press and hold
for 2-3 seconds. A beep will
sound and clock settings will
appear on the screen.
!
00
:00:00
23
22
01
02
2. Setting Time
To set the current hour,
use buttons and . To
continue, press or and
proceed setting minutes then
seconds the same way as
the hour.
01
-01-2020
31
30
02
03
3. Setting the Date
To sett the current day,
use buttons and . To
continue, press or and
proceed setting the month
then the year the same way as
setting the day.
To begin
-
First Use
4. Settings complete
Basic Settings are done. To
continue, press and the
unit will begin measuring.
Turning ON
Press and hold for 2-3
seconds. A beep will sound
indicating that the unit is on.
When first turned on, the device
is in the default Equivalent Dose
Rate Mode (EDR).
Shutting OFF
Press and hold for 2-3
seconds to shut off the unit.
The
screen will go blank and the unit
will be off.
If the device is in Sleep Mode
( lights up on the screen),
then press any button and the
device will exit the sleep mode,
then press and hold for 2-3
seconds. The screen will go
blank and the unit will be off.
10
0.17
11:45
Turning the device ON and OFF
Intended Use
Radiation dosimeter is used to measure the radioactivity of food, building materials, antiques,
household goods, soil in household plots, vehicles, etc.
