77
11 Supplement
VEGAPULS SR 68 • 4 … 20 mA/HART - two-wire
38294-EN-160707
Wire cross-section (spring-loaded terminals)
Ʋ
Massive wire, stranded wire
0.2 … 2.5 mm² (AWG 24 … 14)
Ʋ
Stranded wire with end sleeve
0.2 … 1.5 mm² (AWG 24 … 16)
Electromechanical data - version IP 66/IP 68 (1 bar)
Options of the cable entry
Ʋ
Cable gland with integrated connec-
tion cable
M20 x 1.5 (cable: ø 5 … 9 mm)
Ʋ
Cable entry
½ NPT
Ʋ
Blind plug
M20 x 1.5; ½ NPT
Connection cable
Ʋ
Wire cross-section
0.5 mm² (AWG 20)
Ʋ
Wire resistance
< 0.036 Ω/m
Ʋ
Tensile strength
< 1200 N (270 lbf)
Ʋ
Standard length
5 m (16.4 ft)
Ʋ
Max. length
180 m (590.6 ft)
Ʋ
Min. bending radius
25 mm (0.984 in) with 25 °C (77 °F)
Ʋ
Diameter approx.
8 mm (0.315 in)
Ʋ
Colour - Non-Ex version
Black
Ʋ
Colour - Ex-version
Blue
Display and adjustment module
Display element
Display with backlight
Measured value indication
Ʋ
Number of digits
5
Ʋ Size of digits
W x H = 7 x 13 mm
Adjustment elements
4 keys
Protection rating
Ʋ
unassembled
IP 20
Ʋ
mounted in the housing without lid
IP 40
Materials
Ʋ
Housing
ABS
Ʋ
Inspection window
Polyester foil
Interface to the external display and adjustment unit
Data transmission
Digital (I²C-Bus)
Connection cable
Four-wire
Sensor version
Configuration, connection cable
Cable length
Standard cable
Special cable
Screened
4 … 20 mA/HART
50 m
●
–
–
Profibus PA, Founda
-
tion Fieldbus
25 m
–
●
●