New Sensors and Controllers of LACE

Figure 4. Left photo shows new lightweight mass flow controllers used in LACE. The flow controllers used in LACE are about one-third the weight of a commercial unit but can run in a vacuum environment. These are used to control the flow of carrier gas during chromatography. Right photo shows new lightweight pressure controller used in LACE. The pressure controllers used in LACE are very precise (+/- 0.3 mb @ 834 mb), don't require a ballast volume, and are about one-sixth the weight and about one-third the volume of a commercial unit used in ACATS-II. These are used in LACE to control the pressure inside the electron capture detector (ECD) and sample loops. Note the U. S. quarter in the foreground for a perspective in size. Both were designed in HATS by Ray Dunn and machined in the AL by Rich McLaughlin.

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