COASTSYSTA Dahlgren Division, NSWC, 6703 West Highway 98, Panama City, FL 32407-7001

52 -- LOW NOISE FLUXGATE TRIAXIAL MAGNETOMETERS SOL N61331-96-R-0016 DUE 101296 POC Robert D. Kuczenski, Contract Specialist, (904)234-4864 Carol A. Dreger, Contracting Officer, (904)234-4863. The Coastal Systems Station, Dahlgren Division, NSWC, has a requirement for Low Noise Fluxgate Triaxial Magnetometers with the following external triaxial magnetometer specifications: Axial Alignment-orthogonality better than +/-0.5 degree relative to mounting case; Input Voltage: +/-15 VDC +1/-10 percent; Input Current: (40 milliamperes;; Field measurement range: +/1100,000 nanotesla; Accuracy: better than +/-1 percent at +/-90,000 nanotesla; Linearity: better than +/-0.005 precent of full scale; Sensitivity: 50 micro volts/nanotesla; Scale Factor Temp Shift: (0.01 percent full scale/degree Celsius; Noise: (=0.015 nanotesla RMS/Hz @ 1 Hz; Output Ripple: (=5 millivolt peak to peak @ second harmonic; Analog output @ zero field: (+/-0.025 volt (+/- 250 nanotesla); zero shift with temperature: (+/-0.5 nanotesla per degree Celsius; Susceptibility to perming: (+/-3 nanotesla shift after +/-20 Gauss applied, (+/-12 nanotesla shift after +/-50 Gauss applied; Output impedance: 470 ohms +/-5 percent; Frequency Response: -3db @ )300 Hz; Weight shall not exceed 200 grams; Size of contained sensor case shall not be greater than 4 cm x 4 cm x 16 cm; Connections: external magnetometer connections shall be made through nine (9) pin non-magnetic male ''D'' type connector utilizing the following pinout: Pin #1 shall be the + Power In, Pin #2 shall have no connection, Pin #3 shall be a floating signal ground, Pin #4 shall be the power and case ground, Pin #5 shall be the Z axis output, Pin #6 shall be the X axis output, Pin #7 shall be the spare ground, Pin #8 shall be the Y axis output, and Pin #9 shall be the -Power In.; Each sensor element shall be no larger than 1.9 cm x 1.9 cm. Whether the magnetometer uses two or three sense elements (manufacturer dependent), the area occupied by the sense elements shall not exceed 2.54 cm.; A faceplate shall be attached to each triaxis magnetometer indicating the orientation or the magnetic fields (i.e., which direction is considered positive for each axis).; Each magnetometer shall be identified by model number and a unique serial number. The model and serial numbe shall be permanently attached to the magnetometer's housing and easily readable. A manual shall be included with the magnetometer describing setup, operation and calibration instructions, and schematic diagrams. Diagrams shall be included which demonstrate the mechanical information (case dimensionns, connectors, etc.). In addition, diagrams shall show the exact location and size of the sensor elements. A bid sample will be required to allow the government to verify that critical dimensional, connection, and low-noise characteristics are met by the proposed magnetometer. A sample of the manual to be supplied with the units will also be required with the bid sample. All requests for the solicitation must be in writing and may be faxed to Robert Kuczenski at (904)234-4251. No telephone requests will be accepted. (0340)

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