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Product Features
  • Integral Semiconductor Sensor (Range 0 – 10,000 ppm), providing fast response leak detection
  • PPM , LEL and volume flammable gas ranges for leak detection, general safety monitoring and barholing
  • Audible and visual ‘Geiger’ alarm indication on ppm range
  • Integral pump with pressure sensor for flow fail detection with sample path protected by hydrophobic filter
  • Rugged polypropylene case, sealed to IP54 rating, suitable for outdoor use
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

Teledyne GMI Leaksurveyor

The Teledyne GMI Leaksurveyor uses a fast response semiconductor sensor reducing the time taken for gas leak surveys on gas distribution networks. The Leaksurveyor detects flammable gas from PPM through LEL to 100 % Vol. 


  • Leak Detection
  • Bar Hole Survey
  • Gas Escape Detection


Leak Surveyor
  • 44512L Leak Surveyor PPM, LEL, VOL
  • 44512LR Leak Surveyor Rechargeable PPM, LEL, VOL
  • 13844 Standard Charger c/w Universal PSU
Accessory Packs
  • 42141 Standard Accessory Pack
  • 42151 Gas Survey Accessory Pack
Case Accessories
  • 13405 Standard Carrying Case
  • 12580 Gas Survey
  • 12481 Standard Probe Handle c/w Filters
  • 10077 Cotton Filters (Box / 10)
  • 13427 35 cm probe open end
  • 13561 Survey Probe Handle
  • 13562 Survey Probe Handle Adaptor
  • 13563 Bellows Survey Probe (B)
  • 13655 Swan Neck Probe c/w Shroud
  • 42605 Filter holder c/w filters
Other Accessories
  • 42183 Water Filter Assembly c/w Filters
  • 12358 Hydrophobic Filter (for 12481 or 42183)
  • 42184 Dust Filter Assembly c/w Filters
  • 75096 Dust Filter (for 42184)
  • 13427 35cm Plastic Probe Open End
Spare Parts
  • 42207 User Handbook
  • 42208 Quick Operation Guide
  • 12451 Hex Driver
  • 12370 Carrying Harness
  • 12712 Clear Sample Line x 1m
  • 42078 Pump Assy
  • 42234 Combustion Chamber Assembly
  • 42364 EPROM (Serial No. Required)
  • 42202 Case Assembly Centre Section
  • 42174 Top Cover Assembly (Ordered with Buzzer 42086)
  • 42180 Rechargeable Battery Pack
  • 42175 Battery Cover Assembly Dry Cell
  • 42251 Main PCB Assembly
  • 42227 Main Cable Assembly (Main PCB to Cell Block)
  • 42119 PSU PCB Assembly
  • 12670 250mA Fuse (PSU Board)
  • 42191 Semi-conductor sensor *
  • 42205 Toxic PCB
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