MODIFIED MULTICHANNEL ELECTROMETER SYSTEM

Technical Report · Sat Mar 01 04:00:00 EST 1958

OSTI ID:4354115

Lasater, B M

The multichannel electrometer system originally designed for use in the Nuclear Test Airplane has been modified to eliminate zero-drift caused by temperature differences between two widely seperated electrometer tubes. The modification was accompllshed by locating the tubes close together in the main electrometer chassis, so that temperature differences causing zero-drift are minimized. The modified system will monitor 12 points simultaneously. Each channel has five current ranges, each of which has full-scale readings of 3 x 10/ sup -6/ amp plus or minus 1% 3 x 10/sup -7/ amp plus or minus 1%, 3 x 10/sup -8/ amp plus or minus 1%, 3 x 10/sup -9/ amp plus or minus 2%, an d 3 x 10/sup -10/ / amp plus or minus 2%. The zero-drift of each channel after warm-up is less than 1% of full scale in 12 hours. The electrometer system consists of the electrometer control unlt, the main electrometer unit, and the range unit--each built into a separate chassis. It is deslgned to occupy a minimum of space. An instrument rack equipped with casters and wired to fit the system glves the system the mobility required for laboratory use. (auth)

• Research Organization: Convari, Fort Worth, Tex.
• NSA Number: NSA-12-007371
• OSTI ID: 4354115
• Report Number(s): NARF-58-12T; MR-N-193; Project 6(1-9964)
• Country of Publication: United States
• Language: English

Related Subjects

AIRCRAFT
CONFIGURATION
CONTROL SYSTEMS
CURRENTS
ELECTROMETERS
ELECTRON TUBES
ERRORS
MONITORING
PERFORMANCE
PHYSICS
PLANNING
TEMPERATURE
VOLUME