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Explosion Proof Amplified Sensors
Certified to ATEX and IECEx

MSI explosion proof sensors are certified (ATEX compliant with 94/9/EC) and comply with the essential health and safety requirements relating to the design and construction of equipment and protective systems intended for use in potentially explosive atmospheres.

ATEX Certification
IECEx Certification
EC Declaration of Conformity
Installation Instructions


  • Magnetic (Inductive or Variable Reluctance)

Physical Features

  • Body material: 300 series stainless steel
  • Epoxy encapsulation
  • Magnet that resists demagnetization
  • IR leakage: 100 Mohms @ 100 VDC min.
  • High Shock and Vibration resistance (MIL-STD-202G METHOD 214A, Test Condition H)

Input Power

  • 8 to 30 VDC, 10 mA max. @ no load
  • Reverse polarity protected

Pulse Output Options

  • Open collector; maximum OFF current 30 VDC, maximum ON current 400mA
  • TTL/CMOS; fan-out of 5 TTL/CMOS loads
  • 0-10 VDC square wave (requires 15-30 VDC input power)
  • Supply Tracking


  • Unconditional one (1) year warranty if used within specifications

Interconnection Options

  • Male or Female NPT threaded body with wire or cable pigtail for explosion proof environments
  • Cylindrial Male or Female thread types also available; e.g. M10 through M20

Mounting Thread Options

  • Threaded options range from 3/8-24 through 3/4-20 or M10 through M20
  • Body can also be smooth with no mounting threads


  • Explosion Proof Ex d certified for IECEx and LCIE
II 2 G
Ex d IIC T6 to T2
IECEx Cert: IECEx LCI11.0012 X

Temperature Range

Temperature Class Ambient Temperature
T6 -40°C≤Ta≤+70°C
T5 -40°C≤Ta≤+85°C
T4 -40°C≤Ta≤+100°C

Extended temperature range options for T3 and T2 are also available; contact factory for details

ATEX & IECEx Certified: Custom & Standard Speed Sensors for Intrinsically Safe applications (also approved by CSA w/NRTL/C)