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Radiation Survey Meters : Model 3 with Model 44-3 Gamma Scintillator

Model 3 with Model 44-3 Gamma Scintillator

Model 3 with Model 44-3 Gamma Scintillator

PART NUMBER:48-1605

Model 3 Features:

  • 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

Model 3 Specifications:

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: -4ºF(-20ºC) to 122ºF(50ºC) May be certified for operation from -40ºF(-40ºC) to 150ºF(65ºC)
SIZE: 6.5" (16.5 cm) Height X 3.5" (8.9 cm) Width X 8.5" (21.6 cm) Length
WEIGHT: 3.5 lbs. (1.6 kg) including batteries

 

Click Here to Download a Printable Information Sheet. (.pdf format)

 

Model 44-3

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.

Model 44-3 Specifications:

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: -4º F(-20º C) to 122º F(50º C)
May be certified to operate from -40º F(-40º C) to 150º F(65º 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)