P.O. Box 666
Chesterland, OH 44026
Phone: (800) 795-5226
Fax: (440) 729-8238
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Handheld Survey Meters :
Model 9 Ion Chamber
Ludlum Model 9 Ion Chamber
PART NUMBER:48-1608
Ion Chamber
4 Ranges
Retractable Beta Shield
Total Counting Range from 0 - 5000 mR/hr
Built-In Audio
INDICATED USE:
General purpose survey
CHAMBER CONSTRUCTION:
Carbon coated acrylic
CHAMBER VOLUME:
220 cm³
WINDOW:
7 mg/cm² aluminized mylar
WINDOW AREA:
Active - 40 cm² Open - 30 cm²
BETA SHIELD:
Retractable 211 mg/cm² phenolic slide
ENERGY RESPONSE:
Within plus or minus 20% of true value from 10 keV - 2 MeV
BETA FACTOR:
3.7 with uranium slab
AUDIO:
Built in unimorph speaker with ON/OFF switch
METER DIAL:
0 - 5 mR/hr, BAT TEST
MULTIPLIERS:
X1, X10, X100, X1000
LINEARITY:
Reading within plus or minus 10% of true value
CALIBRATION CONTROLS:
Accessible from front of instrument (protective cover provided)
RESPONSE:
Typically 3 seconds from 10% to 90% of final reading
RESET:
Push-button to discharge chamber and zero meter
ZERO ADJUST:
3 turn potentiometer
WARM UP TIME:
Approximately 5 minutes
POWER:
2 each “D” cell batteries (housed in sealed compartment that is accessible from front of instrument)
BATTERY LIFE:
Greater than 200 hours with alkaline batteries (battery condition can be checked on meter)
METER:
2.5" (6.4 cm) 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:
8"(20.3 cm)H X 3.5"(8.9 cm)W X 8.5"(21.6 cm)L
WEIGHT:
4 lbs (1.8 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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