VEGA VEGASWING 83 fail safe and signal conditioning instrument VEGATOR 526 Ex - Manual (Page 8)

8 VEGASWING 81 W5 Ex.C, 83 W5 Ex.C fail safe
Product description
Medium
Viscosity
- dynamic
0,2 … 10.000 mm 2 /s
Density 0,5 or 1,0 g/cm 3 changeable
Function
Mode A/B-mode via signal conditioning instrument
A: Max. detection, overfill protecion
(fail␣ safe)
B: Min. detection, dry run protection
(not fail safe)
Integration time approx. 0,5 s
Meas. frequency approx. 400 Hz
CE-conformity
VEGASWING 81 W5 Ex.C and 83 W5 Ex.C vibrating level switches meet the protective
regulations of EMVG (89/336/EWG) and NSR (73/23/EWG). The conformity has been judged
acc. to the following standards:
EMVG
Emission EN 50 081 - 1: 1992
Susceptibility EN 50 082 - 2: 1992
NSR EN 61 010: 1993
Approvals VEGASWING 8… W5 Ex.C
Water Resources Law (WHG)
Approval as overfill protection acc. to WHG
Ambient temperature on the housing
-40
°
C … +65
°
C
Medium temperature -40
°
C … +100
°
C
(general type approval Z-65.11-31)
- with temperature adapter to 130
°
C
Operating pressure max. 25 bar
Oscillator
Two-wire output (SWING E86 Ex)
Supply voltage 12 … 18,9 V DC (via VEGA-signal conditioning
instrument VEGATOR 526 Ex)
Output two-wire output
Required signal conditioning instrument VEGATOR 526 Ex
Current consumption 4 … 25 mA
Protection class II
Overvoltage category II
Modes definition via signal conditioning instrument
Classification EEx ia IIC T4