Vega VEGAMET 381 Ex, Руководство по эксплуатации

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C ontact F loating spdt
C ontact material AG NI 0 . 15 hard gold - plated
T urn - on voltage min . 10 m V DC , max . 250 V AC / DC
S witching current min . 10 µ A DC , max . 3 A AC , 1 A DC
B reaking capacity min . 50 m W , max . 500 VA , max . 54 W DC
1 )
M in . switching hysteresis 0 . 5 %
C urrent outputs
Q uantity 1 x output
R ange 0 / 4 … 20 m A
R esolution 0 . 1 % or 20 µ A
M ax . load 500 O hm
F ault signal 22 m A
L inearity error 0 . 1 % ( relating to 20 m A )
T emperature error 0 . 01 % / K ( relating to 20 m A )
I ndications
M easured value indication
- LC display ( 45 x 45 mm ) digital and quasianalogue indication
- M ax . indicating range - 9999 … 9999
LED displays
- S tatus indication operating voltage 1 x LED green
- S tatus indication fault signal 1 x LED red
- S tatus indication operating relay 1 / 2 2 x LED yellow
O peration
A djustment elements 2 x keys in the front , 1 x function switch , 1 x slide
switch active - passive
A mbient conditions
A mbient temperature - 20 … + 60 ° C (- 4 … + 140 ° F )
S torage and transport temperature - 40 … + 80 ° C (- 40 … + 176 ° F )
1 )
I f inductive loads or stronger currents are switched through , the gold plating
on the relay contact surface will be permanently damaged . T he contact is
then no longer suitable for switching low - level signal circuits .
VEGAMET 381 E x - 4 … 20 m A signal conditioning instrument 27
S upplement
30418
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EN
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060925