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Wear Yellow. Work Safe.
A rugged, lightweight, and compact multi‑gas detector designed to monitor four critical gas hazards using interchangeable sensors LEL-CB-F, O2, H2S, and SO2. Ideal for confined-space entry and everyday industrial safety, it delivers reliable detection, fast response times, and simple operation in demanding environments, including potentially explosive atmospheres.
A rugged, lightweight, and compact multi‑gas detector designed to monitor four critical gas hazards using interchangeable sensors LEL-CB-F, O2, H2S, and SO2. Ideal for confined-space entry and everyday industrial safety, it delivers reliable detection, fast response times, and simple operation in demanding environments, including potentially explosive atmospheres.
Indoor, outdoor, onshore, or offshore, we have you covered globally. The modular design makes service and maintenance easy. Compatibility with the IntelliDoX automated test and calibration system makes the routine fast! The system ensures up-to-date records are always available.
Work the way you want to
The IntelliFlash™ and ultra-bright alarm LEDs provide users with an instant overview of the detector's status. Red for stop, amber as a warning, and green, you’re good to go, gives that simple view inexperienced users need. The display can also be configured to show all the gases at the same time or one at a time. Either way, the operator gets all they need to know at a glance.
Ready for the connected future
Pairing the Honeywell BW™ Flex 4/5 with your smart mobile device via Bluetooth™ allows remote measurement, field reporting of incidents, or even full instrument configuration and calibration. What’s more everything is recorded for download when needed and users can easily synchronize with Safety Suite fleet management software.
Features
Applications
| Gas Type | LEL-CB-F, O2, H2S, SO2 |
| Temperature | -40 to 140°F (-40 to 60°C) and -4 to 140°F (-20 to 60°C) with Catalytic LEL sensor |
| Working Humidity | 5 to 95% rH (non-condensing and sensor dependent) |
| Ingress Protection | IP66, IP68 |
| Alarms and Type | Visual, vibrating, audible (95 dB) Low, High, TWA, STEL, Negative Drift, Over Limit, Multi-alarm, Low Battery |
| Self-Test | Performs diagnostic of sensor and circuitry on activation Reflex™ test automatically performs analog sensor diagnostic every 10 minutes |
| Connected Worker | Bluetooth® Low Energy (BLE) - Connects to Honeywell Safety Communicator App, Device Configurator App, and Safety Suite Device Configurator Software |
| User Options | Change High, Low, TWA, and STEL alarm set points Latching alarms, peak hold function Set calibration/bump test reminders, apply enforcement policies Assign worker and location assignments Always on |
| Power | Typical battery life*: 40 days @ 8 hours/day with NDIR CH4 sensor, up to 15 hours with Catalytic LEL |
| Certifications and Approvals | ATEX, IEC Ex, CSA, FTZU, INMETRO, GOSST, CCCF, CPA, KRS, MED, DNV, SABS, FCCID, IC, UKCA, CE. Suitable for use in potentially explosive atmospheres found in industrial, marine, and mining applications. Contact Honeywell for the latest list of global approvals |
| Dimensions | with Alligator Clip: 4.29 x 2.44 x 1.7" (108.2 x 61.5 x 43.2 mm) with Klick Fast Stud: 4.29 x 2.44 x 1.49" (108.2 x 61.5 x 37.8 mm) |
| Weight | With Catalytic LEL: 6.7 oz (189 g) with alligator clip 6.1 oz (173 g) with Klick Fast Stud With IR LEL: 6.6 oz (186 g) with alligator clip 6 oz (170 g) with Klick Fast Stud |
| Gas Type | LEL-CB-F, O2, H2S, SO2 |
| Temperature | -40 to 140°F (-40 to 60°C) and -4 to 140°F (-20 to 60°C) with Catalytic LEL sensor |
| Working Humidity | 5 to 95% rH (non-condensing and sensor dependent) |
| Ingress Protection | IP66, IP68 |
| Alarms and Type | Visual, vibrating, audible (95 dB) Low, High, TWA, STEL, Negative Drift, Over Limit, Multi-alarm, Low Battery |
| Self-Test | Performs diagnostic of sensor and circuitry on activation Reflex™ test automatically performs analog sensor diagnostic every 10 minutes |
| Connected Worker | Bluetooth® Low Energy (BLE) - Connects to Honeywell Safety Communicator App, Device Configurator App, and Safety Suite Device Configurator Software |
| User Options | Change High, Low, TWA, and STEL alarm set points Latching alarms, peak hold function Set calibration/bump test reminders, apply enforcement policies Assign worker and location assignments Always on |
| Power | Typical battery life*: 40 days @ 8 hours/day with NDIR CH4 sensor, up to 15 hours with Catalytic LEL |
| Certifications and Approvals | ATEX, IEC Ex, CSA, FTZU, INMETRO, GOSST, CCCF, CPA, KRS, MED, DNV, SABS, FCCID, IC, UKCA, CE. Suitable for use in potentially explosive atmospheres found in industrial, marine, and mining applications. Contact Honeywell for the latest list of global approvals |
| Dimensions | with Alligator Clip: 4.29 x 2.44 x 1.7" (108.2 x 61.5 x 43.2 mm) with Klick Fast Stud: 4.29 x 2.44 x 1.49" (108.2 x 61.5 x 37.8 mm) |
| Weight | With Catalytic LEL: 6.7 oz (189 g) with alligator clip 6.1 oz (173 g) with Klick Fast Stud With IR LEL: 6.6 oz (186 g) with alligator clip 6 oz (170 g) with Klick Fast Stud |
