DH Instruments ADCS-601 - Figure 7. Reference Bench, Top View; Reference Bench

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ADCS-601™ OPERATION AND MAINTENANCE MANUAL

2.1.1 REFERENCE BENCH

The ADCS-601 Reference Bench is a wooden topped laboratory work bench onto which are

installed the PG7601 and FPG8601 pressure standards. Also included on the bench is a

pneumatic interconnections box (see

Figure 8), the system connections to the device under

test (DUT) and the pumping system for the reference vacuum against which absolute

pressure is defined. The vacuum pumps may be purchased separately.

1. Pneumatic interconnections box

2. PG7601 piston gauge

3. FPG8601 force balanced piston gauge

4. FPG Terminal

5. FPG reference vacuum CDG

6. Reference vacuum manifold

7. PG Terminal

8. Reference turbo pump and controller,

reference roughing vacuum pump, utility

vacuum pump (may be purchased

separately)

9. AMH-38 automated mass handler

10. Reference vacuum vent valve

11. PG reference vacuum CDG

12. Pressure Connection, TEST (+) (connect

absolute pressure tests and “high” side of

differential pressure tests)

13. Pressure Connection, TEST (-) (connect

low side of differential pressure tests)

14. Reference connection to atmosphere for

gauge mode operation

Figure 7. Reference Bench, top view