Figure 12, External gas connector – Metrohm 874 USB Oven Sample Processor User Manual

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3 Installation

874 Oven Sample Processor

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Figure 12

External gas connector

Warning

If gas is supplied from a pressure line or a pressure vessel, then it is
imperative that a pressure reduction valve be placed upstream. The gas
pressure may not exceed a maximum overpressure level of 0.3 bar.