The Blackline Safety G8 Personal Gas Monitor is an all-in-one connected wearable designed to protect frontline and lone workers in hazardous environments.
It combines gas detection, lone worker monitoring, communication, and live data into a single device, eliminating the need for multiple tools while keeping workers connected and protected.
With built-in cloud connectivity, the G8 delivers continuous visibility into worker status, safety conditions, and potential hazards.
Features like automatic alerts, two-way communication, and nearby worker notifications enhance situational awareness and enable faster emergency response, helping organizations improve safety, reduce risk, and maintain compliance across their operations.
Equipment Type: Toxic Air Monitoring
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When you’re working in environments where gas exposure, isolation, and unpredictable hazards are part of the job, safety cannot be left to chance. It is not just about having equipment, it is about knowing that if something goes wrong, someone will know immediately and be able to respond.
Many incidents happen when workers are alone, out of sight, or unaware of changing conditions around them. That is where a connected safety solution like the Blackline Safety G8 makes a real difference. It keeps a constant watch on both the worker and their environment, automatically alerting teams when something is not right.
Whether it is detecting dangerous gases, identifying a fall, or allowing a worker to call for help instantly, it helps turn isolated situations into connected, monitored ones so no one is ever truly on their own.
The Blackline Safety G8 combines advanced gas detection with built-in lone worker monitoring to deliver a complete, always-on safety solution.
Its modular, swappable sensor cartridges allow teams to monitor up to five gases at once, using a wide range of sensor options such as O2, H2S, CO, and LEL. This flexible setup ensures the device can be tailored to specific job site risks without requiring multiple devices.
Automated safety alerts detect falls, no-motion events, and missed check-ins, triggering immediate notifications even if a worker is unable to call for help themselves.
Together, these features provide continuous environmental awareness and worker protection, reducing response times and helping prevent incidents before they escalate.
The Blackline Safety G8 enhances team coordination and emergency response with built-in push-to-talk communication and real-time GPS location tracking, all within an intrinsically safe design built for hazardous environments.
Equipped with a dedicated PTT button and two-way voice calling, it functions like an industrial radio, allowing workers to communicate instantly without carrying additional equipment—even in areas with explosion risk.
For high-noise environments, the optional Remote Speaker Mic (RSM) delivers louder, clearer audio that rivals traditional two-way radios, ensuring teams can communicate effectively around heavy machinery or in extreme conditions.
This is supported by advanced 4G LTE connectivity with automatic carrier switching, ensuring reliable coverage even in remote or complex job sites.
At the same time, dual-band GPS and GNSS technology provide precise, live location data, giving supervisors a clear view of where every worker is and their current safety status.
Together, these features improve situational awareness, speed up response times, and eliminate the uncertainty of locating personnel during critical events.
The Blackline Safety G8 strengthens emergency response with automated safety alerts and continuous 24/7 live monitoring.
Built-in sensors automatically trigger alerts for falls, no-motion events, and missed check-ins, ensuring that even unresponsive or incapacitated workers are immediately accounted for.
In critical situations, the dedicated SOS latch allows workers to instantly call for help, while silent SOS provides a discreet option when needed.
These alerts are transmitted in real time through 4G LTE connectivity to a company’s control room or Blackline’s 24/7 monitoring service, where trained personnel can respond using Emergency Voice to communicate directly with the worker and coordinate assistance.
This layered approach ensures that no alert goes unnoticed, significantly reducing response times and improving outcomes in high-risk environments.
The Blackline Safety G8 simplifies safety management with automated reporting and advanced geofencing capabilities through Blackline Analytics and ZoneAware technology.
It automatically tracks usage hours, bump tests, and calibration data, turning this information into clear, audit-ready reports without the need for manual spreadsheets.
This ensures devices are properly maintained and compliant with safety regulations at all times.
With ZoneAware geofencing, teams can define specific areas on a map to monitor worker movement, time spent in high-risk zones, and overall site activity.
This added visibility helps identify hazards, improve emergency response planning, and eliminate the guesswork of locating personnel during critical situations.
The Blackline Safety G8 streamlines daily operations with TagAssign NFC technology and built-in text messaging, making it easier to manage both equipment and communication in fast-paced environments.
With simple tap-and-go NFC assignment, workers can instantly check devices in and out, giving supervisors clear visibility into who is using each unit without time-consuming manual tracking.
This reduces delays during shift changes and improves accountability across teams. At the same time, integrated text messaging allows for quick, clear communication, whether sending urgent alerts, coordinating evacuations, or sharing updates with monitoring personnel.
Together, these features simplify workforce management while ensuring critical information is delivered exactly when it is needed.
The Blackline Safety G8 delivers flexible gas detection with support for a wide range of sensors and configurations. It allows teams to monitor both common and specialized hazards using a single device, helping standardize equipment while maintaining accurate, reliable protection in the field.
Below is a detailed breakdown of available gas sensors, detection ranges, and resolution.
| Gas | Sensor Type | Range | Resolution |
|---|---|---|---|
| AMMONIA (NH₃) | Electrochemical | 0–100 ppm | 0.1 ppm |
| CARBON DIOXIDE (CO₂) | NDIR | 0–50,000 ppm | 50 ppm |
| CARBON MONOXIDE (CO) | Electrochemical | 0–500 ppm | 1 ppm |
| CHLORINE (Cl₂)1 | Electrochemical | 0–20 ppm | 0.1 ppm |
| CHLORINE DIOXIDE (ClO₂)1 | Electrochemical | 0–2 ppm | 0.01 ppm |
| COSH (CO & H₂S) | Electrochemical | 0–500 ppm CO and 0–200 ppm H₂S | 1 ppm CO and 0.1 ppm H₂S |
| HIGH-RANGE AMMONIA (NH₃) | Electrochemical | 0–500 ppm | 1 ppm |
| HIGH-RANGE CARBON MONOXIDE (CO) | Electrochemical | 0–2000 ppm | 1 ppm |
| HIGH-RANGE HYDROGEN SULFIDE (H₂S) | Electrochemical | 0–500 ppm | 0.5 ppm |
| HYDROGEN (H₂) (OUTSIDE NORTH AMERICA) | Electrochemical | 0–40,000 ppm | 1% LEL (400 ppm H₂) |
| HYDROGEN CYANIDE (HCN) | Electrochemical | 0–30 ppm | 0.1 ppm |
| HYDROGEN FLUORIDE (HF)1 | Electrochemical | 0–10 ppm | 0.1 ppm |
| HYDROGEN RESISTANT CARBON MONOXIDE (CO-H) | Electrochemical | 0–500 ppm | 1 ppm |
| HYDROGEN SULFIDE (H₂S) | Electrochemical | 0–100 ppm | 0.1 ppm |
| LEL - INFRARED (LEL-IR) | NDIR | 0–100% LEL | 1% LEL |
| LEL - MOLECULAR PROPERTY SPECTROMETER (LEL-MPS)3 | MPS | 0–100% LEL | 1% LEL |
| NITROGEN DIOXIDE (NO₂) | Electrochemical | 0–50 ppm | 0.1 ppm |
| OXYGEN (O₂) | Pumped electrochemical | 0–25% vol | 0.1% Vol |
| OZONE (O₃)1 | Electrochemical | 0.1 ppm | 0.1 ppm |
| PHOTOIONIZATION (PID) | PID | 0–4,000 ppm | Variable2, lowest 0.1 ppm |
| SULFUR DIOXIDE (SO₂) | Electrochemical | 0–100 ppm | 0.1 ppm |
1 This sensor is not compatible with the pump cartridge.
2 Dependent on correction factor.
3 Operating pressure: 80 to 120 kPa (11.6 psi to 17.4 psi).
Built to perform in demanding environments, the Blackline Safety G8 features a rugged IP67-rated design, long-lasting battery life, and proximity-based alerting to keep workers protected throughout every shift.
Its durable construction withstands harsh conditions, while all-day power and easy docking ensure devices are always ready for use.
With AlertLink proximity notifications enhancing team awareness, the G8 helps prevent secondary incidents before they happen.
Equip your team with a smarter, more reliable safety solution—contact MFE today to get started.
| Material | Polycarbonate over molded with a static dissipative thermoplastic elastomer (TPE) |
| Size & Weight | G8 with Standard Cartridge
Size: 122 mm x 65 mm x 42 mm (4.8” x 2.56” x 1.65”)
Weight: 207 g (7.30 oz)
G8 with Single-gas Cartridge Size: 127 mm x 65 mm x 42 mm (5.0” x 2.56” x 1.65”) Weight: 212 g (7.48 oz) G8 with Multi-gas Diffusion Cartridge Size: 149 mm x 66 mm x 42 mm (5.87” x 2.6” x 1.65”) Weight: 247 g (8.71 oz) G8 with Multi-gas Pumped Cartridge Size: 149 mm x 66 mm x 42 mm (5.87” x 2.6” x 1.65”) Weight: 265 g (9.35 oz) |
| Temperature | Storage temperature: -30°C to 60°C (-22°F to 140°F)
Operating temperature: -20°C to 55°C (-4°F to 131°F) Charging temperature: 0°C to 40°C (32°F to 104°F) |
| Humidity | 15-90% RH Non-condensing |
| Data | The default location schedule on G8 is every five minutes.
Location and sensor readings are recorded every 10 seconds if either of the following is true: "10-second locations and gas data" is enabled. Any sensor is reading above the extended blanking range |
| Approvals / Standards | Canada and USA: Class I Division 1 Group A,B,C,D T4; Class I Zone 0 AEx ia IIC T4; Ex ia IIC T4 Ga
LEL Performance: CSA C22.2 No.152; ISA 12.13.01; 60079-29-1 CE/RoHS IECEx: Ex ia IIC T4 Ga ATEX: Ex ia IIC T4 Ga |
| IP Rating | IP67 certified |
| Sound Levels | Speaker sound pressure level: ~95 dB @ 30 cm (~95 dB @ 11.8”) |
| Sensors | Cartridge selection supports up to 4 sensors, and up to 5 gases |
| Warranty | Purchase: 2 years on base, cartridge, and sensors, with the option to extend to up to 5 years
Blend: 2 years on base; cartridge and sensors for the entire term Lease: Entire lease term |
| Location Awareness | Multi-constellation Support (GPS, Galileo, GLONASS, QZSS, BeiDou)
Dual-band (L1 and L5) GNSS receiver Assisted GNSS: Yes |
| Cellular | EU/AZ Variant:
4G LTE bands: 12,13,18,19,20,26,5,8,28,2,3,1,4,7,38,39,40,41 3G UMTS bands: 5,8,1,2 2G GSM bands: 5,8,3,2 NA Variant: 4G LTE bands: 71,12,13,14,5,2,66,4 |
| Bluetooth | Complies with Bluetooth® Core Specification version 4.2 including BR/EDR/Bluetooth® LE |
| NFC | Tag Reading 13.56 MHz |
| Wireless Updates | Over-the-air device configurations
Over-the-air firmware upgrades |
| Rechargeable Battery | Li-ion battery: 1350 mAh |
| Charge Time | 4 Hours |
| Battery Life | Battery life in diffusion mode:
up to 24 hours at 20°C (68°F) with LEL-(IR or MPS), H2S, CO, and O2 cartridge under normal connectivity conditions |
| Display | 2.13”, 240 x 320 pixel graphical, high contrast, 64-bit color liquid crystal display with front lighting |
| Buttons | Menu system:
Driven by three-button keypad and side up/down keys
Push-to-Talk (PTT): For two-way radio communication Flashlight: For fast flashlight access |
| Flashlight | 5000K CCT, 35 lumens |
| SOS Latch | Send emergency SOS alert |
| Languages | Multi-language support: EN, FR, ES, DE, IT, NL, PT |
| PTT | Send and receive voice communications with other G8 devices |
| Remote Mic | Two-way microphone accessory |
| Blackline Live | |
| Blackline Analytics |
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