Snifit +



>> Datasheet <<
>> User manual (English) <<



A compact, wearable personal safety monitor
  • Fast, accurate measurement of CO for peace of mind
  • Four user-adjustable alarm levels (low, high, STEL and TWA)
  • Lasts for 2 years – no need to turn it off


The Snifit®+ is compact personal safety monitor ideal for HVAC contractors/technicians, home/safety inspectors and maintenance personnel who need to monitor CO for personal safety. With 4 alarm levels (low, high, STEL and TWA) and 3 alarm notifications (visual, audible and vibration), the Snifit®+ provides an extra level of protection when entering any space that could potentially contain CO.

The Snifit®+ is ergonomically designed with an IP65 case, belt/pocket clip and lanyard loop. Its battery and sensor provide continuous monitoring for 2 years, so turn it on and let it go – no need to turn it off.


Measurement Range

0 to 2,000 ppm


1 ppm (0 to 999 ppm)

0.01% volume (1,000 to 2,000 ppm)

Response Time (T90)

< 30 seconds


3-digit LCD


Internal lithium battery

Run Time

2 years (continuous)

Size (H x W x D)

3.8 x 2.3 x 0.8 in. (9.7 x 5.9 x 2.0 cm)


3.6 oz (105 g)

Operating Conditions

-4 to 122 °F (-20 to 50 °C), 15 to 90% RH (non-condensing), 1 ATM ± 10%

Warm-up Time

< 15 seconds


CE mark; designed to meet UL913


2 years (including sensor)