l
33
© Brüel & Kjaer Vibro GmbH/4 mm ds821/ 21.7.15 /technical specifications subject to change / C104958.001/V02
EN
4 mm displacement sensor system series ds821
Instructions
| Technical data
9.1.2
Displacement sensor type ds821.ds300S
1.
When stored or operated at a temperature of less than -30 °C, the protection class is reduced to IP65
2.
When stored in original package
Output impedance
50 Ω
Mechanical characteristics:
Plug type
Coaxial plug (SAA), push-pull self-latching
Cable:
Cable type
Coaxial
Cable jacket and colour
FEP, blue
Impedance
95 Ω
Diameter
Ø 3.5 mm (± 0.15 mm)
Altitude
> 2000 m
Polution degree
3 used in the protection of the connections and cable
clamps.
Sensor tip:
Material
Ceramic
Diameter of the tip
Ø
11 mm (±0.2 mm)
Sensor housing
Material
Non-rusting stainless steel (material no. 1.4301 acc. to DIN 17200)
Length
including integral cable (measured from the sensors tip to
the end of the integral cable)
0.5 m (-0 m / +0.3 m)
1.0 m (-0 m / +0.3 m)
5.0 m (-0 m / +1.0 m)
10.0 m (-0 m / +1.8 m)
Integrated cable
Minimum bending radius
35 mm without cable protection
35 mm with steel protective conduit
75
mm with PTFE protective conduit
1
100 mm with corrugated tube protection
Connection
Socket or plug with nominal system length
Ambient conditions:
Protection class for the tip according to EN 60529
IP68 / 2 h at 10 bar
1
Pressure tightness (expected based on the design):
Sensor tip
25 bar
Cable integration (constructed with corrugated tube
protection)
25 bar (valid only for ds3002)
Temperature range
Operating temperature range
-50 … +180 °C
Storage temperature range
2
-20 … +70 °C
