P.O. Box 666
Chesterland, OH 44026
Phone: (800) 795-5226
Fax: (440) 729-8238
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Radiation Survey Meters :
Model 3 with Model 44-3 Gamma Scintillator
PART NUMBER:48-1605
4 Ranges
Utilizes G-M, or Scintillation Detectors
Typical Counting Range from 0 - 200 mR/hr, or 0 - 500,000 cpm
Greater Than 2000 Hour Battery Life
INDICATED USE:
General purpose survey
COMPATIBLE DETECTORS:
G-M, scintillation
METER DIAL:
0 - 2 mR/hr, or 0 - 5k cpm, BAT TEST (others available)
MULTIPLIERS:
X0.1, X1, X10,X100
LINEARITY:
Reading within ±10% of true value with detector connected
CONNECTOR:
Series "C" (others available)
AUDIO:
Built in unimorph speaker with ON/OFF switch (greater than 60 dB at 2 feet)
CALIBRATION CONTROLS:
Accessible from front of instrument (protective cover provided)
HIGH VOLTAGE:
Adjustable from 200 - 1500 volts
THRESHOLD:
30 mV ± 10 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 greater than 2000 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:
6.5" (16.5 cm)H X 3.5" (8.9 cm)W X 8.5" (21.6 cm)L
WEIGHT:
3.5 lbs. (1.6 kg) including batteries
Click Here to Download a Printable Information Sheet. (.pdf format)
The Model 44-3 is a 1" X 1mm NaI(Tl) Gamma Scintillator for low energy gamma that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters.
PART NUMBER:47-1533
INDICATED USE:
I-125 and x-ray survey
SCINTILLATOR:
1" (2.5 cm) diameter X 1mm thick sodium iodide (NaI)Tl scintillator
ENTRY WINDOW:
15 mg/cm²
WINDOW AREA:
5 cm² active and open
RECOMMENDED ENERGY RANGE:
Approximately 10 - 60 keV
BACKGROUND:
Typically 40 cpm/microR/hr
SENSITIVITY:
Typically 675 cpm/microR/hr (I-125)
EFFICIENCY(4pi geometry):
Typically 19% - I-125
COMPATIBLE INSTRUMENTS:
General purpose survey meters, ratemeters, and scalers
TUBE:
1.5:(3.8cm) diameter magnetically shielded photomultiplier
OPERATING VOLTAGE:
Typically 500 - 1200 volts
DYNODE STRING RESISTANCE:
100 megohm
CONNECTOR:
Series “C” (others available )
CONSTRUCTION:
Aluminum housing with beige polyurethane enamel paint
TEMPERATURE RANGE:
-4° F(-20° C) to 122° F(50° C) May be certified to operate from -40° F(-40° C) to 150° F(65° C)
SIZE:
2" (5.1 cm) diameter X 7" (17.8 cm)L
WEIGHT:
1 lb (0.5kg)
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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