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  5. X115 Rugged submersible stand-alone linear position sensor

X115 Rugged submersible stand-alone linear position sensor

Heavy-duty linear position sensor with IP68/69K sealing, designed for submerged use in explosive gas environments.


Key features

  • Intrinsically safe for gas: Ex II 1G
  • High-accuracy inductive measurement up to 800 mm
  • Fully sealed to IP68 10 bar / IP69K
  • Rugged 316 stainless steel housing
  • Optional spring-loaded and captive push rod
  • Supports 3-wire and 5-wire connection

Performance highlights

The X115 is a high-performance linear position sensor designed for harsh and hazardous environments. It features Positek’s non-contact inductive technology for superior durability and precision, with outstanding repeatability and stability across a wide temperature range. It is ideal for applications requiring continuous submersion and high mechanical resilience.

Usage conditions

  • Suitable for use in explosive atmospheres (Gas Zone 0–2)
  • Intrinsic safety certifications: ATEX, IECEx, UKEX
  • Operating temperature: -40 °C to +80 °C
  • Full EMC compliance
  • Rugged housing made from 316 stainless steel

Possible applications

  • Subsea valve position monitoring
  • Offshore drilling systems
  • Hydraulic cylinder feedback
  • Harsh industrial automation environments
  • Hazardous gas or vapor zones

Advantages of choosing this product

The X115 offers a compact, high-accuracy solution that can be tailored to customer travel requirements. Its robust mechanical design ensures long operational life in environments where vibration, submersion, and hazardous conditions are the norm. Captive push rods, spring-loading options, and multiple output configurations ensure flexibility in integration.

Other important features

  • Displacement ranges from 5 mm to 800 mm
  • Frequency response >10 kHz
  • Resolution: Infinite
  • Repeatability: Excellent
  • Multiple cable and connector configurations available
  • Optional magnetic tip or dome end

Do you need this sensor for your next project?

Request a no-obligation quote or send us your contact details for a free, no-obligation consultation. Our sales engineers will then contact you within a maximum of 1 to 2 working days.

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Not exactly what you are looking for? We offer standard sensors, but can also help you with sensors adapted for you or a fully customised measurement solution. Contact us for advice or pricing.

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Technical Specifications

Specification Value
Measurement range 5 to 800 mm (custom set by customer)
Output 0.5 – 4.5 V ratiometric with 5 V supply
Supply voltage 5 V ±10%
Frequency response > 10 kHz (-3 dB)
Linearity ≤ ±0.25% FSO up to 450 mm, ≤ ±0.5% over 450 mm
Resolution Infinite
Temperature range (operation) -40 °C to +80 °C
Sealing IP68 10 bar / IP69K
Material 316 stainless steel
Intrinsic safety approval Ex II 1G, Ex ia IIC T4 Ga
Certifications ATEX, IECEx, UKEX
Cable length Up to 1000 m (with galvanic isolation)
EMC EN 61000-6-2, EN 61000-6-3
Vibration resistance 10 g (IEC 68-2-6)
Shock resistance 40 g (IEC 68-2-29)
Mounting options Rod eye, clamps, dome end, magnetic tip

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