Maintenance
Leak Test
Thermo Scientific
43iQ Instruction Manual
5-5
Use the following procedure to perform a leak test.
Equipment Required:
Cap
Vacuum Tester with Gauge (with a resolution of .5 in Hg or better)
1.
Turn instrument OFF, unplug the power cord.
2.
Block the SAMPLE bulkhead on the rear panel with a leak-tight cap.
3.
Connect the vacuum tester tool to the EXHAUST bulkhead on the
rear panel.
4.
Squeeze trigger until gauge reads to pull in 10 in Hg.
5.
Observe vacuum gauge for stable reading for 5 minutes. If reading
remains at 10 in Hg, no leak is present.
Note
Acceptable leak rate is .5 in Hg over 10 minutes.
▲
Leak Test
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