Ludlum Model 6 Geiger Counter




PART #: 48-1676

Digital Geiger Counters also Available.

INDICATED USE: Radiographers survey
WORKING ENVIRONMENT: Splashproof shields for outdoor use
DETECTORS: Internal energy compensated G-M tube
ENERGY RESPONSE: Within plus or minus 15% of true value from 60 keV - 3 MeV
SATURATION: In excess of 1000 R/hr
METER DIAL: 0 - 10 mR/hr, BAT TEST (others available)
LINEARITY: Reading within plus or minus 10% of true value with detector connected
CALIBRATION CONTROLS:All controls are internal
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: -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: 9.5"(24.1cm)H X 3.5"(8.9cm)W X 8.5"(21.6cm)L
WEIGHT: 4.4 lbs (2 kg) including batteries and detector

Ludlum Model 6 Common Meter Faces


0 - 10 mR/hr

0 - 100 mSv/h




Replacement Parts

Check Source
Shoulder Strap
Standard Carrying Case
Air and Water Tight Carrying Case

Meter Bezel
Meter Movement
G-M Tube



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