VEGA VEGAMET 381 Ex Betriebsanleitung Seite 34

9 Supplement
Contact
Contact material
Switching voltage
Switching current
Breaking capacity
2)
Min. switching hysteresis
Current output
Quantity
Range
Resolution
Max. load
Fault message
Accuracy
Temperature error (relating to 20 mA)
Indicators
Measured value indication
Ʋ LC display (45 x 45 mm)
Ʋ Max. indicating range
LED displays
Ʋ Status, operating voltage
Ʋ Status, fault signal
Ʋ Status operating relay 1/2
Adjustment
Adjustment elements
Ambient conditions
Ambient temperature
Storage and transport temperature
Relative humidity
Electrical protective measures
Protection rating
Ʋ Wall, rail mounting
Ʋ Front panel mounting
Overvoltage category (IEC 61010-1)
Ʋ up to 2000 m (6562 ft) above sea level II
If inductive loads or stronger currents are switched through, the gold plating on the relay contact surface will be
2)
permanently damaged. The contact is then no longer suitable for switching low-level signal circuits.
34
Floating spdt
AG NI 0.15 hard gold-plated
min. 10 mV DC, max. 250 V AC/DC
min. 10 µA DC, max. 3 A AC, 1 A DC
min. 50 mW, max. 500 VA, max. 54 W DC
0.5 %
1 x output
0/4 ... 20 mA
0.1 %/20 µA
500 Ω
22 mA
±25 µA (0.125 % of 20 mA)
0.01 %/K
digital and quasianalogue indication
-9999 ... 9999
1 x LED green
1 x LED red
2 x LED yellow
2 x keys in the front, 1 x function switch, 1 x slide switch
active-passive
-20 ... +60 °C (-4 ... +140 °F)
-40 ... +80 °C (-40 ... +176 °F)
< 96 %
IP 20
IP 40
VEGAMET 381 Ex • 4 ... 20 mA signal conditioning instrument