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2.2.5 Intrinsically Safe (IS) Barrier (D1 Model Only)
The intrinsically safe (IS) barrier is mounted in the top left corner of the control enclosure of
AccuLase-GPA™ D1 control enclosure. The intrinsically safe barrier connections are shown in
Figure 3: Intrinsically Safe (IS) Barrier
The wiring connections for the analyzer’s hand-held keypad pass through the IS barrier.
NOTICE: TO ENSURE THAT THE ANALYZER OPERATES CORRECTLY, THE GROUND SCREWS ON THE
IS BARRIER MUST BE CONNECTED TO THE PLANT’S HIGH INTEGRITY GROUND.