VEGA VEGAVIB 31-53 - Manual (Page 9)

VEGAVIB 9
Product description
Oscillators
Protection class
- oscillators C and R
I
- oscillators T and Z II
Overvoltage category III
Immune to EMI > 10 V/m
Function
Integration time approx. 2 s
Frequency approx. 350 Hz
Signal lamp
- oscillators C, R and T
LED for indication of the switching condition
- oscillator Z LED lights when vibrating rod is immersed
Modes
- oscillators C, R and T
A/B switch
A - overfill protection or max. level detection
B - dry run protection or min. level detection
- oscillator Z definition via signal conditioning instrument
Approvals
ATEX II 1G EEx ia IIC T6
ATEX II 1/2G EEx ia IIC T6
ATEX II 2G EEx ia IIC T6
ATEX II 1/2D IP 65 T
Note safety instructions for Ex applications
In hazardous areas you have to note the respective regulations, conformity and type approval
certificates of the sensors and power supply units. The sensors must only be operated on intrin-
sically safe circuits. The permissible electrical values are stated in the certificate.
CE conformity
VEGAVIB 51, 52 and 53 vibrating level switches meet the protective regulations of EMC
(89/336/EWG) and NSR (73/23/EWG). Conformity has been judged acc. to the following stand-
ards:
EMC
Emission EN 50 081 - 1: 1992
Susceptibility EN 50 082 - 1: 1992
EN 50 082 - 2: 1995
version with relay output (R)
NSR EN 61 010 - 1: 1993