FIRST
Pulse resolution
Choose the pulses per revolution required by the controller.
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LINEAR POSITION FEEDBACK · IP54 STANDARD
RS485 Modbus RTUDraw-wire Displacement Sensor
Cable-extension mechanism paired with an incremental encoder for relative travel and speed.
BRT38 draw-wire · 0.5 / 1 m · IP54PRODUCT VIEW
RS485 MODBUS RTUSelect pulse resolution and measuring range.
View technical data ↓THEN
Measuring range
Select cable travel in metres; allow installation and overtravel margin.
ENGINEERING MATCH
- Sensor family
- BRT38
- Housing size
- 50 × 50 × 72 mm
- Winding wheel
- Ø100 mm
- Pull force
- 4 N
- Maximum speed
- 1 m/s
- Protection
- IP54 standard
- Supply voltage
- Output-dependent standard voltage · other voltages customizable
SELECTED CONFIGURATIONRS485 MODBUS RTU / 1,000P-R / 1M / IP54 STANDARDFinal housing, usable travel, cable outlet and controlled drawing are confirmed during engineering review.
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Configured feedback,
ready for integration.
FOSAI matches the selected housing, measurement range and signal requirements with the correct model code, controlled drawing and technical documentation.
ENGINEERING DATA
Engineering specification
Protocol, protection and mechanical range are separated so the customer can see exactly what changes. Final cable exit, pinout and controlled drawing are confirmed before ordering.
Measurement principleSpring-retracted draw-wire linear displacement
Verified measuring range0.5 / 0.65 / 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 m, plus a shared 12–15 m 2D option
LinearityUp to ±0.1% of full scale
RepeatabilityUp to ±0.01% of full scale
Maximum speed1 m/s
Wire ropeØ0.8 mm coated stainless-steel rope
Mechanical lifeUp to 5 million cycles
Protection optionsIP54 / IP68 / explosion-proof
Resolution1,000 / 2,000 PPR standard options
OutputsNPN, PNP, push-pull or line driver
ChannelsA/B/Z pulse output
APPLICATION FIT
Where this product fits—and what still needs review.
Applications represented in this range
Compatibility is not established by the product name alone
- Complete model suffix and controller behavior
- Supply, signal, protocol, scaling and pinout
- Shaft or range, flange, connector and installation envelope
- Protection, certification and controlled drawing requirements
TYPICAL APPLICATIONS
Explore the application
See the measurement task, recommended configuration and installation checks for each working environment.
MODEL SELECTION SUPPORT
Send the application.
Receive the right configuration.
Include measurement range, resolution, interface, supply, shaft or mounting dimensions, protection rating and quantity.
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