Head-Mounted Wearable Computer Is First To Get ATEX Certified

RealWear unveils what it calls the world’s first commercially available intrinsically safe wearable computer (ATEX Zone 1 and Class 1 Division 1). The company claims its HMT-1Z1 is the only head-worn computer that presents no ignition risk where potentially explosive atmospheres exist during routine operation. Andy Lowery, Co-founder and CEO of RealWear says, “With the launch of the HMT-1Z1, now all workers, even those in potentially explosive areas requiring intrinsically safe equipment, can take full advantage of the freedom and efficiencies available through purpose-built wearable computing.”


Intrinsic safety (IS) is a design and protection technique for safe operation of electrical and electronic equipment in hazardous locations by limiting the electrical or thermal energy to limits that cannot cause ignition of explosive gases, even under a fault condition in the device. Zone 1 hazardous areas include petrochemical plants, but also include pharmaceutical, food (grain silos and sugar processing) and cosmetic manufacturing, all of which involve processing potentially explosive substances.  Use cases for these devices include remote mentoring via video collaboration, hands-free document navigation, guided workflow and IoT visualization from process control systems.

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HMT-1Z1 compliance includes:

  • Intrinsically Safe ATEX Zone 1 and CSA C1/D1
  • ATEX II 2G Ex ib IIC T4 Gb
  • II 2D Ex ib IIIC T135°C Db IP6X
  • IECEx Ex ib IIC T4 Gb
  • Ex ib IIIC T135°C Db IP6X
  • NEC500 Class I, Division 1, Groups A, B, C, D T4
  • Class II & III, Division 1, Groups E, F, G T4


HMT-1Z1 Specs Include:

  • Android 6.0.1 (AOSP) operating system + WearHF hands-free interface
  • 2.0 GHz 8-core Qualcomm Snapdragon™ 625 with Adreno 506 GPU – OpenGL ES 3.1 & OpenCL 2.0
  • Memory: 16 GB Internal Storage / 2 GB RAM / MicroSD Slot
  • Included Applications: Document Navigator, Camera with Barcode Reader, Video Recorder, Media Player
  • Languages Supported: English, Spanish, French, German, Italian, Portuguese, Russian, Mandarin Chinese, Japanese, Korean
  • Connectivity and Sensors  
  • Bluetooth BT 4.1 LE (Low Energy)
  • Wi-Fi 802.11 a/b/g/n/ac – 2.4GHz and 5GHz
  • GPS and Location GPS, GLONASS, BeiDou, A-GPS
  • IMU
  • 9-DOF (3-axis accelerometer, magnetometer, and gyroscope), software enhanced stabilization
  • Battery Capacity: 3400 mAh Li-Ion, non-removable, rechargeable Charging cable contains an inline “safety box”
  • Battery Life Full shift (8-10 hrs) with typical use
  • Weight: 430 g
  • Ruggedization Intrinsically safe, 2-meter drop, IP66, MIL-STD-810G
  • Dedicated Keys Power key, application specific Action key
  • Ports 3.5-mm audio, 1 micro-USB for data and charging
  • Boom Arm
  • Adjusts six ways for all head sizes, left or right eye compatible, display flips out of way when not in use
  • Display: Type 20° field-of-view, 1meter fixed focus, 24-bit color LCD, 0.33-inch diagonal, outdoor visible
  • Resolution WVGA (854×480)
  • Audio: Microphones 4 digital microphones with active noise cancellation
  • Accurate voice recognition even in 95 dBA of typical industrial noise
  • Speaker Internal 91 dB loudspeaker


For more details, checkout the HMT-1Z1 datasheet and HMT-1Z1 whitepaper.


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