VEGA VEGADIF 34 … 51 - Manual (Page 14)

14 VEGADIF 34 … 51
20094-EN-030731
Product description
Temperatures
Ambient temperature -40°C … +85°C (for indication: -20°C … +85°C)
Medium temperature
- VEGADIF 34 and VEGADIF 44
FPM (Viton, Fluor-caoutchouc) -20°C … +85°C
PTFE (Hastelloy C4, from p
abs
≥
900 mbar) -40°C … +85°C
EPDM -40°C … +85°C
FPM (Viton for oxygen, oil and grease free) -10°C … +85°C
Kalrez -10°C … +85°C
- VEGADIF 35 and minus side VEGADIF 45
FDM (Viton, Fluor-caoutchouc) -20°C … +85°C
NBR -20°C … +85°C
PTFE, from p
abs
≥
1 mbar -40°C … +85°C
FPM (Viton for oxygen, oil and grease free) -10°C … +85°C
- plus side VEGADIF 45 and VEGADIF 51
isolating liquid: p
abs
≥
1 bar / 0.05 bar
≤
p
abs
1) < 1 bar
- silicone oil -40°C … +200°C / -40°C … +180°C
- vegetable oil -10°C … +200°C / -10°C … +120°C
- glycerine +15°C … +200°C / –––
- high temperature oil -10°C … +350°C / -10°C … +200°C
- oil for oxygen application -40°C … +175°C / -40°C … +80°C
Storage and transport temperature -40°C … +100°C (VEGADIF 34 and 44)
-50°C … +100°C (VEGADIF 35, 45 and 51)
Ex technical data CENELEC
General data
Classification mark EEx ia IIC T4/T6
Intrinsically safe supply and signal circuit
Classification EEx ia IIC
Only for connection to certified, intrinsically
safe circuits with the max. values:
- voltage
U
O
= 30 V
- current I
K
= 300 mA
- efficiency P = 1 W
Inner effective capacitance C
int
= 11.2 nF
Inner effective inductance L
int
= 0.2 mH
Ambient conditions
Ambient temperature around the
oscillator
- temperature class T6
-40°C … +40°C
- temperature class T5 -40°C … +55°C
- temperature class T4 -40°C … +85°C
1) at p
abs
< 1 bar (vacuum range) the isolating liquid boils already at lower temperatures