Industrial Scientific T40 Rattler Gas Detector

Industrial Scientific T40 Rattler Gas Detector

Industrial Scientific's T40 Rattler™ is a low-cost, maintenance-free single-gas detector designed to protect personnel from dangerous hydrogen sulfide or carbon monoxide gas exposure in the most extreme conditions. Despite its compact size, the T40 Rattler includes features usually found only in larger multi-gas monitors including a large, liquid crystal display (LCD), internal vibrating alarm, audible/visual alarms and simple push-button operation.





  • Monitor continuously displays ambient carbon monoxide or hydrogen sulfide readings in PPM and will alert the user when gas concentrations exceed the preset low or high levels
  • Adjustable alarm setpoints, calibration gas values, and choice of text-only display selected by the user through a simple, push-button routine
  • Peak/hold feature to show the highest reading during a shift
  • Includes a patented flip-cap calibration adapter for quick and simple calibration
  • Operates for up to 1,500 hours on a single “AA” battery (included)


  • WARRANTY: Two-year warranty from the date of shipment
  • DIMENSIONS: 86 mm x 58 mm x 19 mm (3.375" x 2.3" x .75")
  • WEIGHT: 98.0 g (3.5 oz.)
  • OPERATING TEMPERATURE RANGE: -20°C to 50°C (-4°F to 122°F)

See it in action!
Videos: T40 Rattler Gas Detector

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