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BW Clip 4

BW Clip 4

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.

Contact Us for stock levels and order fulfillment

Sensor Range

  • H₂S, 
  • CO, 
  • O₂, 
  • LEL.
  • Features
  • Specifications
  • Sensor Specs
  • Accessories
  • Video
  • PDF Download


  • Durable, ergonomic and wearable — doesn’t weigh you down
  • Compact profile — even working in tight spaces, you won't know you are wearing it
  • Simple one-button operation
  • User-friendly tamper-proof operation with just one button
  • Intuitive LCD icons
  • Real-time gas concentrations shown on LCD
  • Flashing red non-compliance indicators warn workers that the detector has not been bump tested according to schedule
  • Daily full function self-test of sensors, battery status, circuit integrity, and audible/visual alarms
  • Compatible with IntelliDoX docking system and instrument management system
  • Built-in concussion proof boot
  • Tested to last in extreme environments


Technical Specifications


4.7 x 2.7 x 1.3 in. / 12.0 x 6.8 x 3.2 cm


8.2 oz. / 233 g

Operating Temperature

-4 to +131°F / -20 to +50°C


5 - 95% RH (non-condensing) continuous

Ingress Protection


Alarms and Types

Visual, vibrating, audible (95 dB); Low, High, TWA, STEL, OL (over limit)

Self Test

Activated detectors automatically perform one internal diagnostic test every 24 hours (sensors, battery, and circuitry).

Typical Battery Life

Two years, continuous operation

Event Logging

70 most recent events

User Options

• Adjust STEL period (5-15 minutes in 1 minute intervals) • Calibration span levels • Calibration interval • Bump test interval • Select combustible gases measurement: 0-100%LEL (Lower Explosive Limit) or Methane gas 0-5.0% v/v • Calibration due date (1 to 365 days, or set to zero for off) • Individual sensor enable/disable • Latching alarms • Stealth mode

Certifications and Approvals

For all certifications, please review the manual or consult Encore Monitoring.


Full two-year warranty including sensors and battery

Sensor Specs

Sensor Specifications

Gases Standard Measuring Range Resolution
H2S 0-10ppm 1/0.1 ppm
CO 0-1,000ppm 1 pmm
O2 0-25% vol. 0.1% vol
LEL 0-100% LEL 1% LEL


Manual Aspirator Pump Kit

Part Number: D4-AS01

Test Cap

Part Number: BWC4-TC

Replacement Sensor Screen

Part Number: BWC4-SS

Kit of 2

Video Demo


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