Ludlum Model 26-2 Frisker Flashcards
The intended use of Model 26-2 is intended for
Contamination frisking
The unit body is made of lightweight but durable
Plastic
Model 26-2 is intended for ____ use and can resist splashing water
Outdoor
There are three modes of operation
Rate, max, and timed frisk
Rate mode measures background levels up to ____ KCPS or ____ kcpm
1.99/100.0
Max mode is useful for finding
Peak contamination rate
Times frisk mode allows the user to perform a ___ for a predetermined time
Contamination frisk
The display will be automatically backlit if light levels are ___
Low
Model 26-2 allows up to ____ count rate alarm settings
3
There are ____ LEDs that show the current alarm status
One green and three red which signify the alarm level
Model 26-2 uses a standard ____ pancake detector
15cm/ 0.9 in
The pancake detector can detect
Alpha, beta, and gamma radiation
Caution is needed when handling this instrument because
The thin radiation detectors window
Setup can be disabled by
The internal switch
What type of batteries ?
Two AA
Battery life is approximately
1000 hrs under normal usage
A low battery LCD warns when there’s less than ____ hours of battery life remaining
16
A low battery indicator appears where? when there’s less than 16 hours of battery life remaining.
At the bottom of LCD screen
What batteries does this meter take?
Two standard double A
Process for changing the batteries
Grab the ring on the screw
Turn the ring a quarter turn counter clockwise
Release two each AA batteries
Firmly insert the ____ of the battery cover completely into the body of the model 26.2
Replace the cover and turn ring one quarter turn clockwise to secure
Barb
How do you turn it on?
Pressing the ON/ACK for about a second
It displays the firmware version number before displaying
The current count rate
Current count rate starts at?
0cpm
During start up, ensure the ____ isn’t present
Low battery indicator
The detectors position is indicated by?
Circular screen on the back
The Seam between the enclosure halves indicates the approximate ___ of the detector
The center
If at any time the instrument fails to read at ____ %send in for calibration
20
Has its own _____ to ensure that the detector is functioning correctly
Diagnostic tests
If the meter stops detecting radiation for ____ seconds normally through a puncture through the mica window the meter will flash ____ reading cpm
60, 0 reading
What happens when the detector is over range?
Flashes and reads maximum rate. Kcpm (100.0)
Press and hold for ____ seconds to turn off
5
Rate, max, and timed frisk modes can be locked out in the _____ process
Set up
A change from a lower alarm condition to a higher level alarm condition will re trigger the
Continuous tone alarm
Pressing the _____ button will move to the next available operational mode
MODE
The display will alternate between showing the frisk time for ____ seconds and the current count rate for ____ second
4, 1
Under a non alarm condition pressing the _____ starts the timed frisk
On/ack
Completion of a timed frisk will be indicated with ____ audio beeps
2
TIMED FRISK mode operation showing frisk timer of ___ minutes. Green LED will be steady ON
3 minutes
