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Changing the Sample Needle
Agilent 7694 Headspace Sampler
Sample probes and union part numbers are:
Nickel needle assembly for G1289 or G1290 301-013-HSP
Silcosteel® needle assembly for G1289 or G1290 301-220-HSP
Nickel needle assembly for G1883 232-2790010-EHS
Silcosteel needle assembly for G1883 232-2790012-EHS
Zero dead volume union for G1290/G1289 325-045-HSP
Union elbow for G1883 998-0000053-EHS
The process of changing the sample needle on the 7694A or 7694E Headspace
Sampler is as follows.