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Response Kits : Model 14CRK Response Kit

Model 14CRK Response Kit Ludlum
Model 14 CRK Response Kit
PART NUMBER:48-2653

DETECTORS: Model 44-9 Pancake G-M, Model 44-2 Gamma Scintillator (others available)
METER DIAL:Typically 0 - 2 mR/hr and 6.8k cpm, BAT TEST (others available )
MULTIPLIERS: X0.1, X1, X10, X100, X1000
LINEARITY: Reading within plus or minus 10% of true value with detector connected
CONNECTOR: Series "C" (others available )
INTERNAL DETECTOR: Energy compensated G-M (used with X1000 scale only )
ENERGY RESPONSE: Within plus or minus 15% of true value between 60 keV - 3 MeV (internal detector only )
THRESHOLD: 30 mV plus or minus 10 mV
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:900 volts
THRESHOLD: 30 mV plus or minus 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 600 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: -4º F(-20º C) to 122º F(50º C) May be certified for operation from -40º F(-40º C) to 150º F(65º 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
  • 5 Range Survey Meter
  • Internal High Range G-M Detector
  • Alpha Beta Gamma Pancake G-M
  • 1" X 1" NaI(Tl) Gamma Scintillator
  • Check Source
  • Total Range from 0 - 2000 mR/hr


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