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SMALL SIZE AND WEIGHT
LOW COST
WIDE RANGE
INTEGRATE
ALARM
DISPLAY
MEMORY
LONG BATTERY
LIFE
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The
HPI model 4083 Canary III is an electronic personnel dosimeter.
It is the ideal instrument for monitoring a wide range of exposures.
The Canary III integrates dose on a digital display from 1 mR to
999,999 mR. It incorporates an adjustable beeper as well as an adjustable
integrate alarm. The memory function is also user selected. The
display is automatically reset when the on-off switch is moved from
off to on.
The battery life of the Canary III is 2000 hours or almost a year
of normal work-time use. The battery test button is conveniently
placed on top of the instrument along with the power switch and
beeper.
The Canary is housed in a small anodized aluminum case that easily
fits into a pocket or clips to a belt or lanyard.
The Canary III is available in two models, the 4083 with a recessed
power switch and the 4083P with a finger-operated power switch.
Specifications
Mechanical
 Size:
4.5 l x 1.2 w x .75 d not including clip
Weight: 2.75
oz Clip: Strong, spring operated, with smooth edges.
Serial Number:
engraved on rear panel.
Batteries:
2 Lithium BR 2325
Battery Life:
approx. 2000 hr
Battery Test:
20 hours remaining.
Detector:
Solid State PIN Diode, Energy Corrected
Controls and indicators
Top
panel: Power on-off and Battery test.
Front panel:
LCD Display, 6 digit, .2" high digits.
Reset: Turning
the instrument from off to on resets the display and the Integrate
alarm.
Adjustments
Chirper:
May be set at .1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024 and
2096 mR and off. Integrate alarm may be set at the same values as
the chirper except both cannot be set to the same number; the .1
mR setting is approximate.
Discriminator/Calibrate:
Single turn control adjustment
Coarse Calibrate:
solder jumper preset for proper energy response.
Display Memory
Jumper: if on, turns the display on all the time even when the instrument
is turned off. Display will reset when instrument is turned on,but
reading will stay when the instrument is turned off. Battery test
will check if instrument is on.
Response
Integrate
Range: 0 to 999,999 mR in 1 mR increments
Exposure
Rate Response: +- 15% from 1 mR to 100 R/h.
Background:
Less than 1 mR/10 hours
Accuracy:
+-20 % from 1mR/h to 1 R/h
Energy Dependence:
+-30% from 80 keV to 1.25 MeV
Temp. Dependence:
+-10 % from 15 to 35 deg C, +-20 % from 0 to 50 deg C
Humidity
Range: 20-90 %, non condensing.
Shock Factor:
Mild shocks will have no effect, large shocks may increment display
by an mR.
Temperature
Range: 0 to 50 deg C, Storage -20 to 70 deg C
Accessories
Battery
removing tool (Included), Instruction manual (Included), Service
manual, Batteries (included).
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