vacuubrand DCP 3000 Instructions For Use Manual

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vacuubrand DCP 3000 Instructions For Use Manual Manual pdf 38 page image

page 38 of 642nd possibility:+ Switching during pressure indication or graphic display➨ Press the selection knob and keep pressed.➨ Turn the selection knob while still pressed until the desired pressuretransducer is indicated (see VACUU•BUS address in the status line).➨ Release the selection knob.+ The selected pressure transducer is displayed in the status line as theactive pressure transducer.Automatic switching between pressure transducers VSK3000 and VSP 3000If both a pressure transducer VSK 3000 and VSP 3000 are connected tothe vacuum gauge DCP 3000, the DCP 3000 automatically displays thereadings of the pressure transducer more suitable in the current pressurerange.This requires both pressure transducers to be configured to correspondingVACUU•BUS addresses (i.e. VSK x and VSP x). If the two VACUU•BUSaddresses do not correspond (i.e. VSK x and VSP y), an automatic switch-ing between pressure transducers is not possible. It then is necessary toreconfigure the address of one pressure transducer in order to enableautomatic switching (see section ”Reconfiguring the pressure transduc-er” below).Switchover points between pressure transducers VSK 3000 andVSP 3000:In case of decreasing pressure: Switching from VSK 3000 to VSP 3000at a pressure of 0.7 Torr (1 mbar)In case of increasing pressure: Switching from VSP 3000 to VSK 3000 ata pressure of 3.7 Torr (5 mbar)The active pressure transducer is shown in the status line. Furthermore,a VSK 3000 is always displayed in decimal notation, a VSP 3000 in ex-ponential notation.Measuring differential pressureA differential pressure between two pressure transducers can only be