SATPC0032159 Tab 04 SOW.pdf

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Attached to
Agilent Helium Leak Detector Federal contract opportunity
Solicitation number
80NSSC23842545Q
Issued by
National Aeronautics and Space Administration Shared Services Center

About this file

This statement of work outlines requirements for two helium leak detectors for use by branches of the National Aeronautics and Space Administration Glenn Research Center. The leak detectors must be oil-free with high and foreline pumps, mount on a cart for transport, include a dedicated 30 cubic meters per hour or better dry scroll pump, not require liquid nitrogen, be capable of leak checking vacuum chambers and sniffing helium lines with an accessory probe. Additional requirements include fully automatic operation, an internal and external calibrated leak source option, an interactive LCD display with visual or audio indication, and built-in diagnostics. The units should have a sensitivity of 1000 parts per million ambient helium and 5 times 10 to the negative 12 mbar-liter per second leak rate, with a maximum test port pressure of 13 mbar or higher.

The related federal contract opportunity is a special notice from NASA's Shared Services Center for the Agilent helium leak detector to fulfill the requirements in the statement of work.

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Text version

Statement of Work for Helium Leak Detectors

June 22, 2023

The High Temperature and Smart Alloys Branch (LMA) and the Environmental Effects and Coatings Branch (LME) are each in need of helium leak detector for maintenance of their vacuum systems and gas lines at GRC in Buildings 49 and 106.

We require two (2) units with the following requirements:

1. Oil free pumping throughout—both with high vacuum and foreline pumps.

2. Unit to be mounted on cart for easy transport

3. Dedicated dry scroll pump (on lower shelf of cart) for pumping out chamber under test. Pump must be 30 meters^3/hr or better.

4. No liquid nitrogen required for operation

5. Unit shall be capable of helium leak checking vacuum chambers and ‘sniffing’ helium in a line carrying Helium. Helium ‘sniffing’ probe accessary to be added to each unit.

6. Fully automatic start up, tuning, calibration, leak detecting, calibration, and helium ‘sniffing’.

7. Unit shall include internal calibrated leak source and also capability of calibration from an external calibrated leak source.

8. Interactive flat panel LCD display. Selectable visual or audio indication of leak.

9. Unit shall have build-in diagnostics for trouble-free maintenance.

10. Sensitivity: 1000 ppm ambient helium—5 x 10-12 mbar-liter/sec or better.

11. Maximum test port pressure—13 mbar or higher.

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