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FOSAI PRODUCT CATEGORY

EX Explosion-protected Draw-wire Sensors

EX draw-wire measurement packages for reviewed hazardous-area applications and project-specific outputs.

CATEGORY OVERVIEW

An EX explosion-protected draw-wire sensor must meet both the linear measurement requirement and the hazardous-area certification requirement. Provide the area classification, required marking, ambient temperature, measuring range, output and installation details. The exact certificate must cover the complete proposed model and configuration.

SELECTION CHECKLIST

Compare the requirement before the model.

01

Hazardous area

Provide zone, gas or dust group, temperature class and local approval scheme.

02

Measurement

Define full range, overtravel, speed, linearity and cable direction.

03

Output

Match RS485, CANopen, analog or pulse input with approved wiring.

04

Documentation

Review certificate, marking, drawing and installation instructions before ordering.

PRODUCT OPTIONS

Technical pages in this category

Explosion-proof Draw-wire Sensor
Project-confirmed Ex marking · 0.5–10 m / 12–15 m

Explosion-proof Draw-wire Sensor

Linear displacement package for reviewed hazardous-area measurement projects.

Parameters, drawings and selection →
Analog Draw-wire Displacement Sensor
4–20 mA · 0–5 V / 0–10 V

Analog Draw-wire Displacement Sensor

Direct analog linear-position feedback for standard PLC current and voltage inputs.

Parameters, drawings and selection →

CATEGORY QUESTIONS

Before choosing this category

Does an Ex encoder make the whole draw-wire sensor certified?

Not automatically. The complete assembly and model documentation must be covered.

Can the output be changed after certification?

Only configurations included in the certified product scope should be considered; confirm per project.

TECHNICAL SELECTION

Confirm the complete configuration.

Include measurement, interface, supply, mechanics, environment, documentation and quantity.

Send your requirement →