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Confined Space Gas Detector

Cat Class:
550-0411
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Shore Hire is now United Rentals Banner

Product description

United Rentals offers a range of Confined Space Entry safety items, including the Confined Space Gas Detector. Available in two models, the BW Flex4 (4-gas) and the BW Ultra (5-gas), the right unit depends on how many gases your site requires monitoring for. Both kits comprise a calibration certificate, 240V charger, bump test kit, and instructions, all in a sturdy transport case.
  • Easy to use one-button operation, no expertise required. Simple to operate even while wearing gloves
  • Extreme ingress protection for total confidence, with IP ratings of 66 and 68 across both models
  • Keep workers safe without weighing them down

Product Information

Both the BW Flex4 and BW Ultra are rated IP66/68 for dust and water ingress protection, so you can choose the right model based on how many gases your site needs to monitor.

BW Flex4

Small, lightweight, and wearable, the BW Flex4 is built for extended shifts. It detects 4 gases (O₂, LEL, H₂S, CO) and offers 2 months of continuous battery runtime on a single charge, extending to up to 4 months if powered off at the end of each shift. That means no daily charging and no unexpected downtime.

BW Ultra

The BW Ultra is a hand-held five-gas detector purpose-built for sampling and monitoring confined spaces before and during entry. It detects O₂, LEL, H₂S, and CO, plus a selectable 5th sensor (e.g. VOC) for an added layer of protection. A built-in sampling pump extends its reach up to 23m, while Bluetooth connectivity allow for remote monitoring and quick instrument management. The large, easy-to-view display makes readings simple to check on the go, with approximately 18 hours of battery runtime typical (14 hours with a PID or IR sensor).

Suited for

Any confined space entry jobs where gases may be present. Choose the BW Flex4 for standard 4-gas monitoring, or the BW Ultra where a 5th gas, such as VOC, needs to be monitored.

Confined Space Gas Detector Kit

Specifications

 

BW Flex4

BW Ultra

Gases Detected

O₂, LEL, H₂S, CO

O₂, LEL, H₂S, CO + selectable 5th (VOC, CO₂, SO₂, NH₃, H₂, Cl₂, NO₂, HCN, or NO)

Ingress Protection

IP66/68

IP66/68

Battery Life

Up to 2 months per charge (4 months if powered off between shifts)

18 hours typical (14 hours with PID/IR sensor)

Weight

173g–189g (with alligator clip; varies by LEL sensor type)

411g

Dimensions

10.8cm L x 6.2cm W x 4.3cm H

14.8cm L x 8.5cm W x 4.0cm H

Sampling

Diffusion (worn)

Built-in pump, sample range up to 23m

Includes 

Calibration certificate, 240V charger, bump test kit

Calibration certificate, 240V charger, bump test kit

Engineering and Onsite Support

From temporary works design and compliance to site inspections and custom fabrication, our team works with you on the ground to keep your project moving safely and efficiently.

If you have drawings, plans or attachments to share, please email them to our team.

Call 1800 87 4473

Email [email protected]

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