When you’ve got your hands full in the field, you need no hassle gas detection you can count on: the BW Clip4 four-gas detector. Wearable, easy multi-gas detection that’s always on. No charging, no battery replacement, no hassle. Simpler, low cost of ownership guaranteed by the Honeywell commitment to quality, and backed by a full ecosystem of supporting technologies. When you clip on the BW Clip4 you know – it’s on.

Always On: 2-Year Continuous Runtime.

Once activated, you can rest assured that the BW Clip4 is always on. The BW Clip4 is easy to wear and use. Lower your maintenance costs with two years of continuous runtime without charging and no battery or sensor replacements. Simply turn your new detector on and then after two years replace it for a new one.

  • No sensor or battery changes required for 2 years
  • Compact, lightweight design
  • Simple one-button operation
  • Intuitive LCD icons
  • Real-time gas concentrations shown on LCD


Size 12 x 6.8 x 3.2 cm / 4.7 x 2.7 x 1.3 in.
Weight 233g / 8.2 oz.
Temperature -20 to +50°C / -4 to +131°F
Humidity 5% - 95% RH (non-condensing) continuous
Alarms Visual, vibrating, audible (95dB) Low, High, TWA, STEL, OL
Self-Tests Activated detectors automatically perform one internal diagnostic test every 24 hours
Typical battery life Two years, continuous operation
Event logging 70 most recent events
Ingress Protection IP68
Warranty Full two-years including sensors and battery
User Options Adjust STEL period (5-15 minutes in 1 minute intervals)
Calibration span levels
Calibration interval
Bump test interval
Individual sensor enable/disable
Latching alarms
Stealth mode
Select combustible gases measurement 0-100% LEL or Methane 0-5% v/v
UL Class I, Div 1, Group A, B, C, D
Class I, Zone 0, Group IIC
ATEX II 1 G Ex ia IIC T4 Ga
IECEx Ex ia IIC T4 Ga
CE Conforms to all applicable European directives




  • Oil and Gas
  • Waste water treatment
  • Utilities
  • Telecommunications
  • Firefighting
  • Petrochemicals
  • Construction

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