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Mining, Tunnelling & Industrial Lasers »

MCE Intrinsically Safe Alignment Laser LD25/35

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MCE LD25 & 35 Series Intrinsically Safe Lasers 

The LD.25.IS, LD.35.IS and LD.35.ISG lasers enable accurate construction and alignment of tunnels where being driven by tunnel boring machines, drill and blast, pipe jack or conventional hand techniques. The units are intrinsically safe and therefore do not require explosion proof containment when working in gaseous environments such as methane/air mixtures. The units are waterproof, rugged and constructed from stainless steel and brass. The units are based on diode technology and powered by two ‘AA’ cells (LD.25.IS) or two ‘C’ cells (LD..35.IS & LD.35.ISG). 

When used with the MCE designed adjustable gimbal, the lasers are easily installed on tunnel walls and adjusted to a target.

  • LD.25.IS available in RED beam
  • LD.35.IS available in RED beam
  • LD.35.ISG available in GREEN beam


Explosion-proof containment not required. Works in Methane/Air mixtures.
Code: Ex ia I/IIC T3 IP55
Code: Ex ia I/IIC T4 IP55
IEC 600079-0 : 2011
Edition: 6.0
Electrical apparatus for explosive gas atmospheres
Part 0: General requirements
IEC 600079-11 : 2011
Edition: 6.0 
Explosive atmospheres
Part 11: Equipment protection by intrinsic safety "i"
IECEx SIM 13.0004



  • Mining
  • Tunneling
  • Industrial
  • Safety
  • Manufacturing
  • Power Boring 
Specifications LD.25.IS LD.35.IS LD.35.ISG
Length 221mm 230mm 230mm
Diameter 25mm 38mm 38mm
Weight 510g with batteries 890g with batteries 890g with batteries
Power supply 2 x AA cell batteries 2 x C cell batteries 2 x C cell batteries
Operating time 50 hrs 200 hrs 60 hrs
Laser class 2M 2M 2M
Operating range 150m 150m 200m
Beam diameter at exit 5mm 5mm 3mm


Optional extras:

  • Horizontal gimbal I/S
  • Carry case
  • Penta prism

Click here for Line and Dot Lasers pdf brochure

Click here for 25/35 IS series Lasers pdf brochure




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