VEGA VEGASON 83 … 87 ECHOFOX - Manual (Page 13)

VEGASON 83 … 87 13
2 Product description
2.6.2 VEGASON 83 and 84 Ex, Ex0
VEGASON 83 and 84 Ex B, Ex0 B
Approvals
see section 2.11 Approvals
Power supply
via separator Type 146 or VEGATRENN 546
Supply via 2 intrinsically safe circuits of category ib IIB
Flame proofing EEx de ia IIB T6 (see also section 2.11)
Measuring range
VEGASON 83 84
Min. distance of liquids 0,7 m 1,1 m
Max. distance dependent on product and process 10 m 20 m
Measuring data
Measuring resolution 1 mm 1 mm
Measuring frequency 33 kHz 22 kHz
Measuring rate 1,1 sec. 1,5 sec
Radiation angle related to –3 dB 12
°
12
°
Error limits
Linearity error relating to the adjustment < 0,1 % of measuring range
Temperature error of the electronics 0,015 %/10 K of measuring range
Materials
Housing of electronics 1.4305
Flange 1.4305
Diaphragm 1.4531
Flange sealing Viton
Dimensions and weights
Flange size - Type 83 DN 100 PN 16
- Type 84 DN 150 PN 16
Total weight of the sensors at DN 100 approx. 17 kg
at DN 150 approx. 21 kg
Ambient conditions
Max. permissible ambient temperature
- on the transducer
+80
°
C
- on the housing (electronics) +60
°
C
Storage and transport temperature -20
°
C … +80
°
C
Protection IP 67
Max. vessel pressure
- Type 83 2 bar
- Type 84 1 bar
Vessel pressures and ambient temperature
under Ex-conditions
see respective conformity certificate
Connection line
Sensor … separator 2 x 2 pole
Resistance per conductor max. 7,5 Ohm
Temperature sensor and its connection integrated int he respective sensor
Electrical connection
Terminals for the connection line max. 1,5 mm 2
Terminals for earth connection max. 4,0 mm 2
Cable entry 1 x Pg 13,5