VEGA Capacitive electrodes EL … - Manual (Page 8)

8 Capacitive electrodes EL …
Product description
1.3 Technical data
Housing
Housing material plastic PBT (Polyester) or StSt (1.4301)
Protection
- plastic housing
IP 66
- StSt-housing IP 67
Cable entry 1 x Pg 16
Terminals for max. 1,5 mm 2 cross-section area of conductor
Mechanical connection
Material galvanized steel (St 37), 1.4571 (StSt), Aluminium
Thread G 1 1 /
2
A or 1 1 /
2
" NPT
Flange different flange versions
Electrode
Material steel (St 37), 1.4571 (StSt)
Length
- rod
max. 4 m
- cable max. 25 m
Isolation see "Isolation materials"
Max. tensile load
- EL 31
20 KN
- EL 33, 34, 52 53 15 KN
Ambient conditions
Ambient temperature on the housing -40
°
C … +80
°
C
Product temperature see "Product temperature and operating pressure"
Storage and transport temperature -40
°
C … +80
°
C
Operating pressure see "Product temperature and operating pressure"
Oscillators
Protection class II
Overvoltage category III
Meas. frequency see table on following page
Capacitance ranges see table on following page
Connection voltage 12 … 36 V DC (supply via signal conditioning
instrument)
Potential separation min. 500 V DC (except E14)
Accessory
Straining spring of 1.4571 (EL 42, EL 52, EL 53)
- length
approx. 185 mm (under tension)
- tensile force approx. 200 N
Fixing angle of steel or 1.4571 with thread G 1 1 /
2
A or G 1 /
2
A
Abrasion protection of steel (EL 31 and EL 34 [up to max. 6 m])
Plug connection in Pg, (IP 65)
Gravity weight of 1.4571
(EL 31, EL 33, EL 34: length 100, 150, 200 mm)