M138 Linear Inductive Position Sensor

Spring loaded pushrod option available

About the M138 Linear Inductive Position Sensor

The M138 is designed for a wide range of industrial applications and is ideal for OEMs seeking good sensor performance in situations where a small diameter, short-bodied sensor is required for operation in hazardous areas.

The incorperated electronics system is ATEX / IECEx approved for use in potentially explosive gas/vapour, dust atmospheres and mining environments.

The unit is compact and space-efficient, being responsive along almost its entire length.

Overall performance, repeatability and stability are outstanding over a wide temperature range. It provides a linear output proportional to displacement. Each unit is supplied with the output calibrated to the travel required by the customer, from 51mm to 100mm and with full EMC protection built in.

The sensor has a compact 19 mm diameter stainless steel body, is easy to install and set up. The stainless steel mounting flange has two 3.2mm by 30 degree wide slots on a 25 mm pitch. The stainless steel plunger can be supplied free or captive, with female M4 thread, or springloaded with a ball end. Environmental sealing is to IP67.

Features M138

  • Intrinsically safe for Mining to: Ex I/II M1/1GD
  • Non-contacting inductive technology to eliminate wear
  • Travel set to customer's requirement
  • Compact 19mm diameter body
  • High durability and reliability
  • High accuracy and stability
  • Sealing to IP67

As a leading supplier of linear, rotary, tilt and intrinsically safe position sensors, Althen has the expertise to supply a sensor to suit a wide variety of applications.

Specifications

Measurement range
Up to 100mm
Independent linearity
±0.1% to ±0.25%
Output signal
0.5-4.5VDC ratiometric
Frequency response
>10KHz (-3dB)
Body diamete
19mm
Sealing
IP67
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