P.O. Box 666
Chesterland, OH 44026
Phone: (800) 795-5226
Fax: (440) 729-8238
Radiation Therapy
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Radiation Survey Meters :
Model 12-4 Neutron Counter
PART NUMBER:48-1200
4 Ranges
Splashproof Shields
Dose Response
Total Range from 0 - 10,000 mrem/hr
INDICATED USE:
Neutron Survey
WORKING ENVIRONMENT:
Splash proof shields for outdoor use
DETECTORS:
1.6 cm diameter X 2.5 cm thick BF³ detector surrounded by a 9"(22.9 cm) diameter cadmium loaded polyethylene sphere
SENSITIVITY:
Approximately 30 cpm/mrem/hr ( AmBe neutrons )
NOTE:
This unit provides an approximate inverse RPG curve for neutrons from thermal through 10 MeV
GAMMA REJECTION:
Less than 10 cpm through 10 R/hr
AUDIO:
Built in unimorph speaker with ON/OFF switch (greater than 60 dB at 2 feet )
METER DIAL:
0 - 10 mrem/hr, 0 - 2.5 kV, BAT TEST (others available )
MULTIPLIERS:
X1, X10, X100, X1000
LINEARITY:
Reading within plus or minus 10% of actual value
CALIBRATION CONTROLS:
Accessible from front of instrument (protective cover provided )
HIGH VOLTAGE:
Adjustable from 200 - 2500 volts (can be read on meter )
DISCRIMINATOR
: Adjustable from 2 - 60 mV
RESPONSE:
Toggle switch for FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading
RESET:
Push-button to zero meter
POWER:
2 each "D" cell batteries (housed in sealed compartment that is externally accessible )
BATTERY LIFE:
Typically 600 hours with alkaline batteries (battery condition can be checked on meter )
METER:
2.5"(6.4cm) arc, 1 mA analog type
CONSTRUCTION:
Cast and drawn aluminum with beige polyurethane enamel paint
TEMPERATURE RANGE:
-4° F(-20° C) to 122° F(50° C) May be certified for operation from -40° F(-40° C) to 150° F(65° C)
SIZE:
17"(43.2cm)H X 9"(22.9cm)W X 10.5"(26.7cm)L
WEIGHT:
21 lbs(9.5 kg) including batteries
Click Here to Download a Printable Information Sheet. (.PDF format)
PH 1-800-795-5226
FAX 440-729-8238
P.O. Box 666 Chesterland, OH 44026
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