79
11 Supplement
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
38294-EN-160707
Housing material
Version
IP-protection class
NEMA protection
Aluminium
Single chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Double chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Stainless steel, electro-
polished
Single chamber
IP 66/IP 68 (0.2 bar)
Type 6P
Stainless steel, precision
casting
Single chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Double chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Protection rating (IEC 61010-1)
III
Approvals
Instruments with approvals can have different technical specifications depending on the version.
For that reason the associated approval documents of these instruments have to be carefully
noted. They are part of the delivery or can be downloaded under www.vega.com, "
VEGA Tools
"
and "
Instrument search
" as well as in the download area.
11.2 Dimensions
The following dimensional drawings represent only an extract of all possible versions. Detailed
dimensional drawings can be downloaded at www.vega.com/downloads under "
Drawings
".
Plastic housing
~ 69 mm
(2.72")
ø 79 mm
(3.11")
112 mm (4.41")
M20x1,5/
½ NPT
~ 84 mm
(3.31")
M16x1,5
112 mm (4.41")
M20x1,5/
½ NPT
1
2
ø 79 mm
(3.11")
Fig. 56: Housing versions with protection rating IP 66/IP 67 - with integrated display and adjustment module the
housing is 9 mm/0.35 in higher
1 Single chamber version
2 Double chamber version