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© Brüel & Kjaer Vibro GmbH
/
2mm ds822 ATEX /8.12.16/technical specifications subject to change/C105507.001/V02
l
27
EN
9
Technical data
Observe the safety information in chapter "Safety"! For further technical specification we refer to
our 2 mm series ds822 product specification BPS0138
The following typical characteristics are valid under the following conditions unless otherwise
specified:
+18 °C to +27 °C ambient temperature, -24 V DC supply voltage, 100kΩ load at signal output,
42CrMo4 B&K Vibro reference material, -10 V Gap Voltage (approx. 1.4 mm measuring distance
between sensor and measuring surface), all components are at their operating temperature.
9.1
Non-contacting displacement sensor system Series ds822 ATEX
Measuring dimension
Displacement
Measuring principle
Eddy-current process
Nominal system lengths
5 m and 10 m
Linear measuring range
2 mm (approx. 0.4...2.4 mm separation from the object
to be measured, corresponding to an output signal from
ca. -2 VDC ... -18 VDC)
Colour code
blue
Electrical characteristics:
Operating voltage (U
B
)
The sensor must be connected to a SELV power supply with
limited power that is secured with a current supply of < 2.5 A.
Operating range
Current consumption
Output impedance
Power Supply
Connector type
-24 V DC (-18 V DC … -28 V DC)
0 V … (U
B
+2 V)
max. 12 mA
50 Ω
max. 1A and short-circuit proof
Coaxial Connector (SAA), push-pull self-latching
Sensor tip:
Material
Diameter of the tip
Ceramic
Ø
7.2 mm (±0.1 mm)
Cable:
Cable type
Cable jacket and colour
Impedance
Diameter
Coaxial
FEP, blue
95 Ω
Ø 3.5 mm (± 0.15 mm)
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