VEGA VEGAMET 391 With SIL qualification - Manual (Page 48)

48
12 Supplement
VEGAMET 391 • With SIL qualification
38704-EN-130228
Ʋ Status operating voltage 1 x LED green
Ʋ Status fault signal 1 x LED red
Ʋ Status operating relay 1 … 4 4 x LED yellow
Operation
Adjustment elements
4 x keys for menu adjustment
PC adjustment PACTware with respective DTM
Ambient conditions
Ambient temperature
Ʋ Instrument in general -20 … +60 °C (-4 … +140 °F)
Ʋ USB interface 0 … +60 °C (32 … +140 °F)
Storage and transport temperature -40 … +80 °C (-40 … +176 °F)
Electrical protective measures
Protection rating
Ʋ Front IP 65
Ʋ Instrument IP 20
Overvoltage category II
Protection class II
Electrical separating measures
Reliable separation according to VDE 0106 part 1 between power supply, input and digital compo-
nent
Ʋ Reference voltage 250 V
Ʋ Isolation resistance 3.75 kV
Galvanic separation between relay output and digital part
Ʋ Reference voltage 250 V
Ʋ Isolation resistance 4 kV
Approvals
Instruments with approvals can have different technical data depending on the version.
For that reason the associated approval documents of these instruments have to be carefully
noted. They are part of the delivery or can be downloaded under www.vega.com via "VEGA Tools"
and "serial number search" as well as via "Downloads" and "Approvals".