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Testo 317-3 CO Detector has 3 years sensor warranty and gives audio, visual alarm when co concentration is exceeding level.
• No zeroing required! The self-check function verifies accurate CO measurement
• Adjustable alarm threshold
• Self-test mode verifies CO sensor function anytime, anywhere with the need for test gas
• Programmable high and low alarm options
• Easily clips to your belt for handsfree convenience
• Earphone jack for loud environment.
|Ambient CO Range||0 to +1999 ppm|
|Accuracy_1||• ±3 ppm (0 to +29 ppm) • ±10 % (+30 to +1999 ppm)|
|Battery||2 AAA micro batteries|
|Battery Life||150 hours (with alarm off)|
|Operating Temperature||-5 to +45 °C|
|Storage Temperature||-20 to +45 °C|
|Reaction time (t 90)||40 seconds|