T40 Rattler


The T40 Rattler™ is a low-cost, maintenance-free single gas monitor 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.


Case: High visibility, impact-resistant composite with radio frequency interference (RFI) protection.

Dimensions: 3.375″ x 2.3″ x .75″ (86 mm x 58 mm x 19 mm)

Weight: 3.5 ounces (98 grams)

Power Source(Run Time): Replaceable “AA” alkaline battery (approx. 1,500 hours typical)

Temperature Range: -4°F to 122°F (-20°C to 50°C) typical

Humidity Range: 15 to 95% RH typical
Alarms: Adjustable low and high alarm setpoints

Sensors: CO, H 2 S – Electrochemical

Measuring Range
  • Carbon Monoxide: 0-999 ppm 1 ppm
  • Hydrogen Sulfide: 0-500 ppm 1 ppm