Ludlum Model 3-97EP Survey Meter

Explosion Proof Survey Meter utilizes an internal 1" X 1" NaI(Tl) Gamma Scintillator and an internal energy compensated G-M Detector. Total Counting Range from 0 - 100,000 ĩR/hr.






PART#: 48-1428

Model 3-97EP Specifications:

WORKING ENVIRONMENT: Explosion proof housing for extreme environments
   1" X 1" NaI(Tl) scintillator
        SENSITIVITY: Typically 175 cpm/microR/hr ( 137Cs gamma)
        ENERGY RESPONSE: Energy dependent
   Energy compensated G-M
        ENERGY RESPONSE: Within plus or minus 15% of true value from 60 keV - 3 MeV
METER DIAL: 0 - 100 mR/hr, BAT TEST
MULTIPLIERS: X0.1, X1, X10, X100, X1k
LINEARITY: Reading within plus or minus 10% of true value with detector connected
CALIBRATION CONTROLS: Located in meter housing
RESPONSE: 4 seconds from 10% to 90% of final reading
RESET: Push-button to zero meter
POWER: 2 each "C" cell batteries
BATTERY LIFE: Typically 450 hours with alkaline batteries (battery condition can be checked on meter )
METER: 2.5" (6.4 cm) arc, 1 mA analog type
CONSTRUCTION: Adalet Class 1 group C&D; Class 2 Groups E,F,&G explosion proof housing
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"(16.5cm)H X 8"(20.3cm)W X 7"(17.8cm)L
WEIGHT: 14 lbs (6.4 kg) including batteries


Common Meter Dials for the Model 3-97EP Explosion Proof Survey Meter


0-2 mR/hr; 0-20

Manual for Ludlum Model 3-97EP Survey Meter


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