Blackline Safety is a leader in connected safety monitoring technology, delivering instant situational awareness and connectivity for every industry, location, job and scenario. 

Meet G7c — the world’s first 3G-connected gas detector with integrated lone worker monitoring and evacuation management tools. In the event of an emergency, G7c wirelessly connects your team members with live monitoring personnel to mobilize and manage the fastest possible emergency responses.

Not just a gas detector — complete, real-time situational awareness

Blackline designed G7c to address every facet of your safety program. Our technology automatically watches over team members and calls for help, even when the employee can’t.

Potential fall and no-motion events automatically trigger a pending alarm, asking you to confirm that you are OK — G7c will escalate pending alarms to alerts — these alerts are then communicated to monitoring personnel. G7c’s red SOS latch lets you manually trigger a call for help when assistance is required, automatically connecting you to a monitoring team.

G7c provides complete situational awareness, enabling teams to respond with all the information necessary for optimized rescues in hazardous environments. Though they face a number of hazards throughout their workday, employees can operate with confidence knowing that their health and safety is being monitored in real time.

Connectivity with instant alerting and two-way speakerphone

G7c features continuous 3G wireless, complemented by an industrial two-way speakerphone that connects affected workers with live monitoring teams 24/7, even in noisy environments. Employees can also manually pull an SOS latch to connect with monitoring personnel should they need help. Fall and no-motion incidents are automatically communicated to monitoring personnel for optimized immediate responses and recorded for future reporting. Constant connectivity ensures that the safety status of every team member is visible at a glance.

Customizable Gas Detector  

G7c caters to a variety of work conditions, featuring an exclusive modular design that supports a selection of customizable and field-replaceable gas sensor cartridges.

Tailor your G7c gas detector to specific work environments — choose between a Single- or Quad-gas cartridge. Then select from a range of gas sensors including hydrogen sulfide, oxygen, carbon monoxide and explosive gases, with more in development. Modularity means G7c can function as a single-gas detector up to a four-gas monitor. Blackline’s gas sensor-as-a-service replacement program helps teams maximize product uptime, ensuring seamless gas detection and safety monitoring while minimizing maintenance costs.

Simple wireless configuration

Wireless connectivity ensures that each G7c gas detector is remotely configurable and that firmware updates are automatic, for consistent and up-to-date operation. Current setup and configurations are shared with employees at every start-up. From detecting gas leaks to monitoring lone workers and evacuating facilities, workers are covered — every safety incident and gas alert is communicated instantly to Blackline for storage and reporting.

User interface

Gas readings, upcoming bump tests and calibration reminders, employee check-in requests and text messages are just a few of the features easily accessible through G7c’s brilliant LCD screen. The graphical display is readable in sunlight and backlit for low light conditions. Simple displays and intuitive menus are easily navigable for straightforward use. The integrated SOS latch pull feature connects workers with monitoring personnel instantly, while the latch push button allows for easy check-ins and alert management.

Interface functionality is complemented by constant connectivity — when the G7c’s green SureSafe light is on, workers can be confident their safety is being monitored. Vivid yellow lights accompanied by sound and vibration signal that G7c has a message for you or is asking if you are OK. Red lights with escalated sound and vibration indicate that assistance is needed or that a yellow alarm has not been responded to.

Real-time compliance management and reporting

G7c delivers comprehensive gas detection and safety incident coverage for the diverse work environments faced by teams every day. G7c gas detectors wirelessly communicate compliance and usage data for automatic reporting to Blackline Live, alleviating the need for manual data collection in the field. Every gas reading and safety incident is transmitted to live monitoring personnel in real-time. Whether a worker calls for help using their SOS latch, or a gas leak or safety event is detected, employees can rest easy knowing that details of their situation are being communicated to monitoring personnel, and that help is on the way.


Always-connected 3G wireless, location technology, automatic incident detection and a built-in speakerphone empowers the fastest possible response. 


True last-mile safety monitoring with satellite communications, location technology and automatic incident detection helps you keep your remote teams safe. 

Diffusion cartridges

For environmental gas detection, equip our G7c and G7x devices with a Single-gas or Quad-gas Diffusion cartridge option.

Pump cartridge

Take control over your confined space entries and leak-check surveys with our new connected pump cartridge for G7c and G7x.

Standard cartridge

For lone worker, evacuation management and productivity enhancement scenarios where there's no requirement for gas sensors.

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