Ludlum Model 44-6 Beta Gamma Detector, Thin wall GM detectorSide window GM probe. Similar to 44 38 but not energy compensated. INDICATED USE: beta, gamma survey SUGGESTED INSTRUMENTS: general purpose survey meters, ratemeters, and scalers DETECTOR: 30 45 mg cm stainless steel wall halogen quenched GM SENSITIVITY: 1200 cpm per mR hr (137Cs gamma) with window closed BACKGROUND: 20 cpm closed; 25 cpm open ENERGY RESPONSE: energy dependent BETA CUT OFF: approximately 200 keV (window open) DEAD TIME: typically 95

POWER: 2 each “D” cell batteries (housed in externally accessible sealed compartment)

hr (TESTS AVAILABLE) >8 RADIATION (LINEARITY

The list of meters we know work include just about any meter that uses pulses to drive the display

HP-210L (window: back)

Software may seem expensive ($8000+)

Co-57: approx

00 to 9999)

WMB Johnson GSM-110 Meter

Decommissioning and reclamation

Alpha - Less than 5 cpm (when operating on the alpha only plateau region)

YSO Scintillator + SiPM

9 lb) Add a Counts