SM1B-Ex
ATEX Zone 1/21 Wireless Bluetooth Headset
SM1B-Ex
The Sensear SM1B-Ex is an industrial-grade communication headset designed for hazardous environments, such as oil and gas, mining, and chemical processing industries. Built to meet intrinsically safe (IS) standards, this headset is certified for use in explosive atmospheres where traditional electronics pose a safety risk.
It combines high-noise communication with hearing protection through its advanced SENS® Technology, which allows users to hear speech and critical environmental sounds while simultaneously suppressing harmful background noise. This ensures situational awareness without compromising worker safety.
The SM1B-Ex provides dual functionality: protecting workers’ hearing while enabling seamless communication, boosting productivity and safety. With its long battery life and durable construction, it’s ideal for teams working in high-risk, high-noise zones where clear communication is critical.
In summary, the Sensear SM1B-Ex is a robust, reliable, and safety-certified communication headset tailored for challenging and hazardous work environments, improving both communication clarity and worker protection.
Key Features
- Clear communication via Bluetooth or two-way radio connectivity.
- Noise suppression for environments exceeding 95 dB.
- Rugged design suitable for extreme industrial conditions.
- Comfortable fit for extended use, minimizing fatigue.
- Compatibility with helmets and other safety gear.
Certificates
ATEX / IECEx
II 2G Ex ib IIC T4 Gb (-20°C ≤ Ta ≤ +40°C)
II 2D Ex ib IIIC T155°C Db (-20°C ≤ Ta ≤ +40°C)
General
| IP Rating | IP54 | ||
| Power | 2250mAh Li-ion Polymer Battery, 24 hours, 5-Hour Charge Time | ||
Hearing Protection
| Volume limiter | 82 dB(A) [programmable] – only applicable when the headset is powered on | ||
| Region | Australia / NZ | USA / Canada | Europe |
| Standard | AS/NZS 1270 | ANSI S3.19 | EN352-1/EN352-3 |
| Result | SLC80 | NRR | SNR |
| HB | 31dB, Class 5 | 27dB | 33dB |
| BTN | 27dB, Class 5 | 24dB | 30dB |
| HM | 26dB, Class 5 | 23dB | 31dB |
Communication
| 360o Situational Awareness | 95 dB(A) | ||
| Voice transmission | Boom microphone – noise canceling, VOX capable | ||
| Face-to-Face | SENS® mode (< 95dB) | ||
| Two-Way Radio | Radio cable with PTT module | ||
