• Gossen Metrawatt
  • Camille Bauer


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Item number: M227F

Milliohmmeter for Use in Potentially Explosive Atmospheres


Compact milliohmmeter for the measurement of low value contact resistance in potentially explosive atmospheres, for example at contacts inside aircraft fuel tanks (bonding test), as well as for general low value resistance measurements inside and outside of potentially explosive atmospheres, for example on aircraft outer skins (lightning protection and wick test).

Product Highlights

  • Measuring ranges: 30 mΩ, 300 mΩ, 3 Ω, 30 Ω
  • Resolution: 10 µΩ
  • Measuring method: Kelvin connection (4-wire measurement)
  • DATA Hold memory: 1200 measured values
  • EX designation: Ex II 2 G EEx ia IIA T4
  • Prototype test certificate: INERIS 05ATEX0040
  • DAkkS calibration certificate
  • Guarantee: 3 years material and workmanship,
  • 1 to 3 years for calibration (depending upon application)



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