| Product Line | GMI GT Series Portable Gas Detector |
| Dimensions | 290 x 95 x 43 mm / 11.4 x 3.7 x 1.7 inches (excluding probe) |
| Weight | 0.78 kg / 1.7 lbs (including probe and batteries) |
| Display | LCD with backlighting |
| Operating Temperature | -20°C to +50°C (-4°F to +122°F) |
| Operating Humidity | 0-95% RH non-condensing |
| Alarms | High visibility LEDs on both sides with 85 dB audible alarm, user programmable via password protected menu |
| Data Logging | 1 week at 1 minute interval (assuming 7 hours operation per day) |
| Sampling Method | Integral pump with pressure sensor for flow fail detection, hydrophobic filter protection, response time T90 < 30 seconds |
| Battery | 3 'C' type batteries – LR14 alkaline or rechargeable |
| Battery Life | 8 hours continuous with alkaline or rechargeable batteries |
| Construction Material | High impact polycarbonate ABS blend |
| IP Rating | IP54 (Dust protected and splashproof) |
| Oxygen Detection Range | 0-25% with 0.1% increment, electrochemical sensor |
| Hydrogen Sulfide Range | 0-100 ppm with 1 ppm increment, electrochemical sensor |
| Carbon Monoxide Range | 0-2000 ppm with 1 ppm increment, electrochemical sensor |
| Methane LEL Range | 0-100% LEL with 1% increment, catalytic bead sensor |
| Methane Volume Range | 0-100% Vol with 1% increment, thermal conductivity sensor |
| Methane PPM Range | 0-10,000 ppm with 1 ppm increment, semiconductor sensor |
| Water Gauge Range | 0-60 inches H2O or 0-150 mBar with 0.1 inch or 1 mBar increment |
| Certifications | UL 913 Class I Div 1 Groups C,D; CSA Class I Division 1 Groups C,D C22.2 N°152; ATEX II 2G EEx ia d IIB T3; IECEx Ex ia d IIB T3; CPA |
| Warranty | 2 Year Warranty |
| Available Models | GT-40 (PPM/LEL/Vol/CO), GT-41 (PPM/LEL/Vol/O2), GT-42 (PPM/LEL/Vol/CO/O2), GT-43 (PPM/LEL/Vol/CO/O2/H2S), GT-44 (PPM/LEL/Vol) |
| Price Range | From £835.00 to £1,845.00 (excluding VAT) |
| Applications | Carbon monoxide detection, purge operations, sniffer pressure leak tightness testing, confined space entry, borehole testing |