E138 Intrinsically safe slim-line linear position sensor

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Key features

• Intrinsically safe ex ii 1gd, ex ia iic t4 ga, ex ia iiic t135°c da
• Compact 19 mm diameter, short body length
• Non-contact inductive technology, no wear
• Calibrated travel from 51 to 100 mm
• Linear output, high stability and accuracy
• Environmental sealing to ip67, emc compliant

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Performance highlights E138 Mid stroke slim-line linear position sensor

The E138 delivers accurate, repeatable position feedback across 51–100 mm travel with a ratiometric 0.5–4.5 v output. Frequency response exceeds 10 khz (-3 db). Linearity is ≤ ±0.25% fso at 20 °c, with low noise (<0.02% fso) and infinite resolution.

Usage conditions

Approved for hazardous areas with ex ii 1gd ratings: ex ia iic t4 ga and ex ia iiic t135°c da, ambient −40…+80 °c. Operating temperature −40…+80 °c (storage −40…+125 °c). Sealed to ip67 and qualified to en 61000-6-2 / en 61000-6-3 for emc. Use with a galvanic isolation barrier (x005 for e-series).

Possible applications

• Position feedback in process & automation
• Actuator and mechanism travel monitoring
• Machine safety in zone 0/20 environments
• Packaging, robotics and material handling
• Test benches requiring compact sensors

Advantages of choosing this product

Slim 19 mm body and short overall length simplify integration where space is tight. Non-contact inductive technology eliminates mechanical wear. Five-wire connection is recommended for cable runs >10 m to preserve full accuracy. Multiple mounting and plunger options support fast installation.

Other important features

• Body diameter 19 mm; axial/radial body lengths depend on stroke
• Plunger Ø6 mm; free or captive; m4 female, m5 rod-eye, magnetic tip; optional spring-extend dome end
• Vibration 10 g (iec 68-2-6), shock 40 g (iec 68-2-29), mtbf 350,000 h at 40 °c gf

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