E133 Intrinsically safe mid stroke linear position sensor

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Key features

• Intrinsically safe for Ex II 1GD zones
• Customizable stroke length: 51–100 mm
• Rugged stainless steel construction
• High linearity ≤ ±0.25% FSO
• Sealed to IP67 for harsh environments
• Infinite resolution and low noise < 0.02% FSO

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Performance highlights E133 Linear Inductive Position Sensor

The E133 is a mid stroke linear position sensor that provides high accuracy and intrinsic safety for hazardous gas and dust environments. With a compact stainless steel body and a choice of connection options, it delivers precision measurements in tight spaces. Its non-contact inductive technology ensures wear-free operation and long-term reliability.

Usage conditions

• Operating temperature: -40°C to +80°C
• Storage temperature: -40°C to +125°C
• Sealing: IP67
• EMC: EN 61000-6-2, EN 61000-6-3
• Shock: 40g | Vibration: 10g

Possible applications

• Chemical plants (hazardous gas zones)
• Dust-sensitive industrial environments
• OEM machine building
• Material handling in explosive areas
• Intrinsically safe linear feedback systems

Advantages of choosing this position sensor

• Fully ATEX / IECEx / UKEX certified for use in Zones 0, 1, 2 (Gas) and 20, 21, 22 (Dust)
• Short body length makes it easy to integrate into space-constrained applications
• Customizable travel lengths from 51 mm to 100 mm
• Calibrated output proportional to travel
• Maintenance-free due to non-contacting sensor technology
• Compatible with Althen’s X005 galvanic isolation amplifier for intrinsic safety compliance

Other important features

• Multiple mounting options: flange, rod-eye, body clamps
• Plunger fittings: M4 thread, M5 rod eye, magnetic tip, or spring-loaded dome
• Five-wire connection recommended for cable lengths >10 m
• Output: 0.5–4.5V ratiometric with 5V supply
• MTBF: 350,000 hrs at 40°C

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