GMI GT-Fire Handheld Gas Detection Meter

Code: C67F5
  • PPM & LEL flammable gas ranges for leak detection
  • A user-friendly with a simple interface
  • Manual & automatic data logging

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​The GT-Fire is a dedicated hand-held methane detection meter specialised for the fire industry. This user-friendly meter has an ergonomic design and a rugged polycarbonate construction, ensuring durability and ease of operation.​

The GT-Fire allows leak detection to be conducted for flammable (PPM & LEL) gases as well as Carbon Monoxide (CO), Oxygen (O2), and Hydrogen Sulfide (H2S) should this be required.​

The GT-Fire enables firefighters to conduct leak detection investigations themselves without needing specialised PPM detectors while eliminating potentially frustrating periods of downtime waiting for support from gas engineers.​

​The GT-Fire has a simple interface that provides a quick, accurate and easy-to-understand display, enabling leak detection to be conducted via one instrument in a complete, professional and timely manner, with easy access to data, simplifying the reporting process, providing firefighters with confidence and assurance when called to safety-critical environments.​​

  • Ergonomic design that is easy to operate
  • Visual and audible assistance to support an investigation
  • Loud audible and high visual ‘ticker’ (Geiger) on ppm range
  • Integral flashlight
  • Rugged polycarbonate case, sealed to IP54

Sensor Specification

Gas Range Increments Sensor Type
O₂ 0 – 25 % 0,1 % Electrochemical
CO 0 – 2000 ppm 1 ppm Electrochemical
H₂S 0 – 100 ppm 1 ppm Electrochemical
Dual Tox (CO/H₂S) 0 – 2000 ppm / 0 – 100 ppm 1 ppm Electrochemical
CH₄ 0 – 10 000 ppm 1 ppm Semiconductor
CH₄ 0 – 100 % LEL 1% Catalytic Bead

GT-Fire Capability

GT-Fire 50 GT-Fire 51 GT-Fire 52 GT-Fire 53 GT-Fire 54
Flammable PPM
Flammable LEL
Carbon monoxide (CO)
Oxygen (O₂)
Hydrogen Sulfide (H₂S)

Technical Specification

Dimensions 290 x 95 x 43 mm / 11.4 x 3.7 x 1.7” (Excl. Probe)
Weight 0.78 kg / 1.7 lbs (Incl. Probe and Batteries)
Display LCD with backlighting
Humidity 0-95% non condensing
Alarms High visibility LEDs on both sides of instrument
85 db audible alarm
All alarms user programmable via password protected menu
Sampling Integral pump with pressure sensor for flow fail detection
Sample path is protected by a hydrophobic filter
Respone Time T90 < 30 seconds
Battery 3 ‘C’ type batteries – LR14 alkaline
Battery Life 8 hours continuous alkaline
Construction High impact polycarbonate ABS blend
Rating IP54 (Dust protected and splashproof)
Certification CertificationUL 913 Class I, Div 1 Groups C, D
Warranty 2 years

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Title Size
GT-Fire Datasheet 379 KB
GT-Fire User Guide 911 KB
GT-Fire Quick Operation Guide 492 KB

Additional information

Weight 0.190 kg

Ordering Information

Instruments
C67F50 GT-Fire 50 ppm only
C67F51 GT-Fire 51 ppm / LEL
C67F52 GT-Fire 52 ppm / LEL / CO
C67F53 GT-Fire 53 ppm / LEL / CO / O2
C67F54 GT-Fire 54 ppm / LEL / CO / O2 / H2S
Batteries
67292 Drycell Batteries (pack of 3)
67294 Rechargeable Batteries (pack of 3)
Accessories
67108 Carrying Case
12480 35cm Solid End Probe
12393 80cm Solid End (Barhole) Probe
67185 Stainless Steel (Flue) Probe (use with 67142 & 67148)
67142 Chemical Filter Assembly
67148 Bottle of Charcoal Granules
67205 Bottle of Colour Indicated Silica Gel (water-absorbent)
67270 Bottle of NOx Filter Material
12712 Sample Line (Tygon Tubing) (price per meter)
67196 Cotton Filter Holder
10077 Cotton Filter (Box of 10) – (for use with 67196)
13936 Charcoal Filter
67095 Wrist Strap
67281 Wall Mount Storage Clip
67120R Rubber Boot (Red)
66140 Standard Instrument Charger (Universal Plug)
66206GT 12v / 24v Vehicle Instrument charger
67179 Filtered Flue Probe Assembly
67101 Charging Station (including Power Supply)
12444 Power Supply – Universal (for charging station or Auto Cal Station)
67202 Pressure Port Connector Assembly
Software Packages
67821 GT Software Suite (Calibration & Data Download) (including USB interface)
Spare Sensors
67009 ppm Sensor Assembly **
67018 LEL / Gas Flammable Sensor **
66066 O2 Sensor **
67176 CO Sensor **
66067 CO / H2S Dual Toxic Sensor ** (GT-54 only)
67111 Sensor Blanking Plug **
Other Spare Parts
67806 Front Cover Assembly **
47038 LCD Display **
67026 Keypad Moulding **
67809 Battery Cover Assembly **
67125 O-ring – Battery Cover
67360 Captive Thumb screw
67058 Dust Cover – Charging Socket
67034 Probe Clip Moulding
24577 Fixing Screw – Probe Clip
24689 Fixing Screw – Rear Cover (M3 x 16) **
24655 Fixing Screw – Rear Cover (M3 x 12) **
67396 Flexible Probe and Rear Cover Assembly * / ** (serial required when ordering)
24781 Self Tapping Screw – Flexible Probe Internal Connection **
67213 Hydrophobic Filter
67178 Probe Filter Bulb
12737 O-ring – Probe Tube / Filter Bulb
12379 Probe Washer – Filter Bulb / Probe Connector
67184 Probe Filter Assembly
67163 Dust Filters (Box of 30)
67189 Dust Filter washer
67266 Pump Assembly (including inlet / outlet tubing) **
67027 Flow Path Gasket **
24576 Fixing Screw – Main PCB **
24277 Washer – Main PCB (use with 24576) **
67004 Feedthrough PCB Assembly **
67012 PSU Module Assembly **
Main PCB
67540V3 Main PCB Assembly – GT50 **
67541V3 Main PCB Assembly – GT51 **
67542V3 Main PCB Assembly – GT52 **
67543V3 Main PCB Assembly – GT53 **
67544V3 Main PCB Assembly – GT54 **

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