NASA/George C. Marshall Space Flight Center, Procurement Office, Marshall Space Flight Center, AL 35812

52 -- ACCELEROMETERS AND DYNAMIC PRESSURE SENSORS SOL 1-8-02-B9049 DUE 051498 POC Janice M. Stewart, Contract Specialist, Phone (205) 544-6093, Fax (205) 544-9080, Email janice.stewart@ msfc.nasa.gov -- Lydia H. Butler, Contracting Officer, Phone (205) 544-0304, Fax (205) 544-4400, Email lydia. butler@msfc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/MSFC/date.html#1-8-02-B9049. E-MAIL: Janice M. Stewart, janice.stewart@msfc.nasa.gov. This notice is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Subpart 12.6, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; quotes are being requested and a written solicitation will not be issued. This procurement is being conducted under the Simplified Acquisition Procedures (SAP). Item 1-Dynamic Pressure Sensor, integrated circuit Piezoelectric (ICP), Cryogenic -423 to +212 DEGF, 1000 PSI operating range, 15000 static pressure, 5MV/PSI sensitivity, 250 K HZ resonant frequency, 2000G vibration limit, 20,000 shock limit, 3/8-24 mounting thread, 10-32 electrical connector, PCB Part Number 102A11 or equal. Must match mounting/sealing designs exactly to interface with existing hardware, vendor supplied calibrations and seal rings, quantity 8 each; Item 2- Accelerometer, cable and in-line charge amplifier system ICP, high temperature -95 to +490 DEGF, system to consist of charge mode accel, in-line charge to ICP, unity gain amplifier and the interconnect cable, accel is to provide 3PC/G sensitivity, 12K HZ response, electrically 9isolated, 5-40 mounting thread, 2300 G operating range, amp is unity gain 5000 pc input, 5 vac output, 10-32 input and BNC output terminals, interconnect cable must operate at the same temperatures as the accel, pcb system Part number J357B11/033AG050AA/422D03 or equal meeting attached specifications, quantity 6 each; Item 3-Accelerometer, cryogenic, ICP, 5000 G range, 1 MV/G sensitivity, 8K HZ response, 10000 G Shock limit, electrically grounded, 10-32 electrical connector, 5-40 mounting thread, -320 to +250 DEGF operating range, PCB Part Number 351M13 or equal meeting attached specifications, quantity 45 each; Item 4-Same as Item Number 3 except ground isolated, thread mount, side mount electrical connector, 10-32 electrical interface, PCB Part Number 351M14 or equal meeting attached specifications, quantity 25 each; Item 5-Same as item 4 except adhesive mounting base, ground isolated, side connector, 10-32 electrical interface, PBC Part Number A351M14 or equal meeting attached specifications, quantity 10 each; Item 6- In-Line charge to ICP amplifier, to accept charge mode accel and output ICP signal, 10-32 input and BNC output connectors, unity gain, 5000 pc max input and 5 vac max output, PCB Part Number 422D03 or equal meeting attached specifications, quantity 20 each; Item 7-Accelerometer triaxial mounting base to accept 5-40 accel threads and mount to 10-32 mounting stud (supplied by vendor), 0.37 inch cube, annodized aluminum, electrically isolated, PCB part Number 080B16 or equal, quantity 40 each. Specifications are as follows:ITEM #1 ICP Pressure Sensor Model 102A11 or Equal Specifications Dynamic Performance Dynamic Range (for +5V output) psi 1,000 Useful Overrange (for +10V output) psi 2,000 Maximum Dynamic Pressure psi 15,000 Maximum Pressure psi 15,000 Resolution psi 0.02 Resonant Frequency kHz >250 Rise time m sec <2 Low Frequency Response (-5%) Hz 0.25 Linearity FS <1.0 Environmental Acceleration Sensitivity psi/g 0.002 Operating Temperature Range oF -423 to +212 Temperature Coefficient of Sensitivity %/ oF <0.06 Maximum Flash Temperature oF 3,000 Maximum Shock g pk 20,000 Electrical Sensitivity mV/psi 5 Output Polarity (positive pressure) Positive Discharge Time Constant (at room temp) sec >2.0 Excitation Voltage Required + VDC 11 to 30 Excitation Constant Current Required mA 2 to 20 Output Impedance ohms <500 Output Bias Voltage + VDC 3 to 8 Mechanical Sensing Element material Quartz Case material 316L SS Diaphragm material 316L SS Sealing type Hermetic Welded Connector type 10-32 Weight oz 0.388 Mounting Thread* 3/8-24 7 Mounting thread and seal must match PCB Model 102A11 exactly to interface with existing mechanical port design. Supplied Accessories: PCB Model 065A44 or equal Seal Ring ITEM # 2 ACCELEROMETER ONLY Miniature High Temperature Ceramic Shear Charge Accelerometer Specifications Dynamic Performance Charge Sensitivity pC/g 3 Frequency Range: (+5%) Hz 12,000 (+10%) Hz 16,000 (+ 3 dB) Hz 26,000 Mounted Resonant Frequency kHz >50 Measurement Range +g pk 2,300 Amplitude Linearity % +1 Transverse Sensitivity % <5 Environmental Shock Limit -- Axial (min) +g pk 10,000 Operating Temperature Range oF -95 to + 490 Temperature Response Max Deviation 10% @ 300 F 10% @ 0 F Strain Sensitivity g/me 0.002 Electrical Polarity Negative Capacitance pF (max) 340 Insulation Resistance (at room temp.) ohms >1 x 1012 Insulation Resistance (at 490oF) ohms >1 x 1010 Mechanical Sensitive Axis In line with mounting stud Sensing Element material Ceramic geometry Shear Housing material Titanium Sealing Welded Hermetic Size (hex x height) inch 0.28 x 0.33 Weight ( max ) oz 0.005 Electrical Connector type 5-44 Coaxial location Side Mounting Thread size 5-40 Male Ground Isolation ohms 108 ITEMS 3,4 AND 5 DIFFERENCED DESCRIBED IN PR Specifications for Miniature Cryogenic Accelerometer PCB 351M13 AND 351M14 DYNAMIC PERFORMANCE Voltage Sensitivity Nominal 1 mV/g Measurement Range +/-5000 g pk Frequency Range : (+5%) 1 to 8000 Hz (+10%) 0.7 to 10000 Hz Mounted Resonant Frequency > 40 Khz Resolution Broadband 0.01 g pk Amplitude Linearity +1 % Transverse Sensitivity < 5 % ENVIRONMENTAL Shock Limit (Maximum) +/-10000 g pk Operating Temp. Range (10% Deviation) -320 to + 250 deg F Temperature Response < 0.03%/degF ELECTRICAL Excitation Voltage/Constant Current 9 to 30 V DC / 2 to 20 mA Output Impedance < 120 Ohms Output Bias 8 to 12 V DC Discharge Time Constant > 0.5 sec Warm Up Time (within 10% of output bias)Ground Isolation < 5 sec see PR MECHANICAL Sensing Element Quartz Housing Titanium/Hermetically Sealed Weight 0.06 oz Electrical Connector See PR Mounting Thread 5-40 Male Mounting TorqueSensitive Axis 8-12 in-lbIn line with mounting stud ITEM #2(AMPLIFIER) AND ITEM #6 Specifications Charge to ICP Amplifier Specs for "in-line" single channel charge to ICP amp. To be installed on test stand exposed to environmental and propulsion test conditions. Electrical Input Charge Range (5V output) +pC 5000 Overrange +volts 8 Maximum Input Voltage volts 30 Feedback Resistance ohms 1 x 109 Feddback Capacltance pF 1000 Input Time Constant sec 3.0 Charge Sensitivity (nominal) mV/pC 1.0 Overload Recovery m sec 10 Amplitude Linearity % FS 1.0 Low Frequency Cutoff (5% down) Hz 0.2 High Frequency Response (12 mA constant current) kHz 200 Source Capacitance Loading %/pF 0.0005 Noise pk-to-pk mV 600 Output in Relation to Input polarity Inverted AC Output Range +volts 5.0 Output Impedance ohms 100 Output Bias Level +volts 9 to 13 Power Supply +VDC/mA 18-8/2-20 Environmental Temperature Range Operating oF -65 to +250 Shock g 5000 Vibration (5-2000 Hz) g 100 Physical Sealing Welded Hermetic Connector: Input (micro) 10-32 Coaxial Output BNC Jack Size: lg x dia inch 3.4 x 0.50 Weight oz 1.15 Case Material Stainless Steel The provisions and clauses in the RFQ are those in effect through FAC 97-4. The SIC code and the small business size standard for this procurement are 3829 and 500, respectively. The quoter shall state in their quotation their size status for this procurement. All qualified responsible business sources may submit a quotation which shall be considered by the agency. Delivery to MSFC is required within 30 days ARO. Delivery shall be FOB Destination. The DPAS rating for this procurement is DO-C9 . Quotations for the items(s) described above may be mailed or faxed to the identified point of contact [or bid distribution office, by the date/time specified and include, solicitation number, FOB destination to this Center, proposed delivery schedule, discount/payment terms, warranty duration (if applicable), taxpayer identification number (TIN), identification of any special commercial terms, and be signed by an authorized company representative. Quoters are encouraged to use the Standard Form 1449, Solicitation/Contract/Order for Commercial Items form found at URL: http://procure.arc.nasa.gov/Acq/Standard_Forms/Index.html to submit a quotation.Quoters shall provide the information required by FAR 52.212-1 with exception of (d),(h) and (i). If the end product(s) quoted is other than domestic end product(s) as defined in the clause entitled "Buy American Act -- Supplies," the quoter shall so state and shall list the country of origin. The Representations and Certifications required by FAR 52.2l2-3 may be obtained via the internet at URL: http://ec.msfc.nasa.gov/msfc/pub/reps_certs/sats/ FAR 52.212-4 is applicable. Addenda to FAR 52.212-4 are as follows: Addenda to FAR 52.212-4 are as follows: 52.204-4, 52.211-15, and 52.247-34. FAR 52.212-5 is applicable and the following identified clauses are incorporated by reference. 52.212-5(b):52.222-26, 52.222-35, 52.222-36, 52.222-37, and 52.225-3. Questions regarding this acquisition must be submitted in writing no later than May 4, 1998. Quotations are due by May 14, 1998 to the address specified above and to the attention of the Bid Depository. Selection and award will be made to the lowest priced, technically acceptable quoter. Technical acceptability will be determined by information submitted by the quoter providing a description in sufficient detail to show that the product quoted meets the Government's requirement. Quoters must provide copies of the provision at 52.212-3, Offeror Representation and Certifications -- Commercial Items with their quote. See above for where to obtain copies of the form via the Internet. It is the quoter's responsibility to monitor this site for the release of amendments (if any). Potential quoters will be responsible for downloading their own copy of this combination synopsis/solicitation and amendments (if any). (0119)

Loren Data Corp. http://www.ld.com (SYN# 0263 19980501\52-0001.SOL)