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Summary of Contents for Ludlum Measurements 43-40 Series
- Page 1 LUDLUM MODEL 43-40 SERIES OF ALPHA AIR PROPORTIONAL DETECTORS September 2010...
- Page 2 LUDLUM MODEL 43-40 SERIES OF ALPHA AIR PROPORTIONAL DETECTORS September 2010...
- Page 3 RETURN OF GOODS TO MANUFACTURER If equipment needs to be returned to Ludlum Measurements, Inc. for repair or calibration, please send to the address below. All shipments should include documentation containing return shipping address, customer name, telephone number, description of service requested, and all other necessary information.
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Page 5: Table Of Contents
Table of Contents Introduction Specifications Common Specifications Specifications by Model Number Safety Considerations Environmental Conditions for Normal Use Cleaning Instructions and Precautions September 2010 Ludlum Measurements, Inc. -
Page 6: Introduction
Section 1 Section Introduction he Ludlum Model 43-40 Series of proportional probes are designed to be used in detecting alpha radiation. The probes require an instrument with input sensitivity of 2 millivolts or less and a minimum voltage of 2500 volts. Probe operating voltage is altitude sensitive. Ludlum Measurements suggests any of the following instruments for use with these probes: Models 12, 16, 18, 2000, 2200, 2221, 2241, or 2350. -
Page 7: Specifications
Model 43-40 Series Technical Manual Section 2 Section Specifications alpha survey Indicated Use Common Specifications Ludlum Models 12, 16, 18, 2000, 2200, 2221, Suggested Instruments 2241 or 2350 splash-proof shields and desiccant vented Working Environment chamber for outdoor use 0.4mg/cm... -
Page 8: Specifications By Model Number
Model 43-40 Series Technical Manual Section 2 Specifications by Model Number Active Open Chamber Screen Window, Window, Depth, cm area cm area cm (in.) Open 43-40 79 (12.2) 52.4 (8.1) 0.64 (0.25) 66.0 43-40-1 144.8 (22.4) 110.8 (17.2) 0.64 (0.25) 76.5... -
Page 9: Safety Considerations
Model 43-40 Series Technical Manual Section 3 Section Safety Considerations Environmental Conditions for Normal Use Indoor or outdoor use No maximum altitude (operating voltage sensitive to altitude) Temperature range of -20 to 50 °C (-4 to 122 °F) Maximum relative humidity of less than 95% (non-condensing)
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