LUDLUM 12 General Purpose Survey Meter (GM, Proportional, Scintillation)

Application: Alpha, Beta, and Gamma Surveying

Compatible Detectors: GM, Proportional, Scintillation

Detection Range: Dependent on detector

Linearity: Within 10% of true value with detector connected 

Meter Dial: 0 - 500 cpm, 0 - 2.5 kV, BAT TEST

(Meter Faces tab lists other available meter faces)

High Voltage: Adjustable from 400 to 2500 Vdc

Threshold: -1 to -100 mV 

Window: No 

Overload: Optional 

Temperature Range: -20 to 50 °C (-4 to 122 °F)

May be certified for operation from -40 to 65 °C (-40 to 150 °F)

Power: Two each "D" cell batteries (housed in an externally accessible sealed compartment)

Battery Life: Typically greater than 2000 hours (battery condition can be checked on meter)

Construction: Cast and drawn aluminum with beige powder coating 

Detector Connector: Type "C" series (others available)

Size (H x W x L): 16.5 × 8.9 × 21.6 cm (6.5 × 3.5 × 8.5 in.)

Weight: 1.6 kg (3.5 lb) including batteries

Datasheet

Manual