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Configuring the PID Sensor

June 27, 2025

Updated June 26, 2025 The Photoionization detector (PID) measures and reports the overall local concentration of volatile organic compounds (VOCs) in the local...

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VOC Correction Factor (CF) Technical Notes

June 27, 2025

This article provides detailed information about how the Correction Factor (CF) for a single VOC and VOC gas mixture is calculated. It also includes a listing...

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Photoionization Detector (PID) Sensor Technical Notes

June 26, 2025

This article provides an overview of the operation and performance of Blackline Safety’s Photoionization Detector (PID) sensor.

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Replacing G6’s Screen Protector

June 12, 2025

This article describes how to replace the screen protector on your G6 device.

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Gamma Sensor Technical Notes

May 29, 2025

This article provides an overview of the operation, accuracy, and reliability of Blackline Safety’s Gamma sensor.

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Oxygen Sensor Technical Notes

May 21, 2025

This article provides an overview of the operation, configuration, and performance of Blackline Safety’s (O2) Oxygen sensor.

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Managing Blackline Live Notification Profiles

March 4, 2025

This support article details how to view, create, and edit notification profiles in Blackline Live.

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Creating a Distributor Relationship in Blackline Live

February 27, 2025

This article describes how to create a distributor relationship in Blackline Live. This is required when sending a device to a Distribution Service Center...

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Hydrogen Fluoride (HF) Sensor Technical Notes

February 7, 2025

This article provides an overview of the operation, accuracy, and reliability of Blackline Safety’s electrochemical hydrogen fluoride (HF) sensor.

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Carbon Dioxide (CO2) Sensor Technical Notes

November 8, 2024

This article provides an overview of the calibration and operation of the Carbon Dioxide (CO2) gas sensor.

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Browser Notifications for Blackline Live Alerts

November 1, 2024

On November 7, 2024, we are updating Blackline Live to include browser notifications for alerts. We recommend that all Blackline Live users enable browser...

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Blackline Safety 3G Device Upgrade Programme - Europe

October 10, 2024

Updated February 5, 2025. Major telecommunications mobile network operators across Europe have begun phasing out their 3G service to retire older equipment and...

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Configuring EXO Interface Ports

July 11, 2024

EXO has two low voltage interface ports (Port A and Port B) that allow you to connect external devices, which are then triggered based on events detected by...

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Implementing AlertLink

July 11, 2024

This article describes how to implement AlertLink in Blackline Live and enable AlertLink functionality for G7c, G7x, and EXO devices.

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Using the G7 Pump Stone Particulate Filter

December 14, 2023

This article describes how to use the pump stone particulate filter with G7c, G7x, and G7 EXO Pump devices.

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PID Sensor Lamp Cleaning Procedure

December 13, 2023

Updated: October 2, 2024 ESD Warning This procedure involves opening G7, which is susceptible to damage from an electrostatic discharge (ESD) event. Personnel...

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Understanding Offline Data Storage For G7 Devices

November 28, 2023

This article provides detail on how G7 devices collect and store data when not connected to Blackline Live.

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Resolving Alerts

October 6, 2023

Updated: April 12, 2024 This article provides details for self-monitored organizations on how to resolve alerts in Blackline Live.

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Understanding and Managing Location Data FAQ

September 27, 2023

This article provides detail on how location data works for G7 devices, and how to disable it.

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Blackline Safety 3G Device Upgrade Program – Australia and New Zealand

July 7, 2023

Major telecommunications mobile network operators in Australia and New Zealand have slowly began phasing out their 3G service to retire older equipment and...

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G7c/G7x Troubleshooting: Sensor Drift and Cross Contamination

May 11, 2023

This article outlines troubleshooting steps you can perform if you are experiencing issues with sensor drift or cross contamination issues for G7c/G7x devices.

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G7c/G7x Troubleshooting: Battery and Charging

May 11, 2023

This article outlines troubleshooting steps you can perform if you are experiencing battery or charging issues for G7c/G7x devices.

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G7x and G7 Bridge Check-in and Connectivity FAQs

March 20, 2023

This article answers frequently asked customer questions about G7x and G7 Bridge check-ins and connectivity.

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Calibrating G7 ClO2 Sensors

March 14, 2023

This article describes how to calibrate G7 devices equipped with chlorine dioxide (ClO2) sensors.

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Recognizing Scam Callers

February 7, 2023

This article describes how to recognize and address phishing calls directed toward your work environment.

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Replacing the G7 EXO Diffusion Cartridge Cover

November 1, 2022

Due to a temporary supply chain shortage, the G7 EXO Diffusion cartridge cover will be secured to the device using two different M4 screw sizes: 2 × 18 mm...

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Manually Calibrating G7 with Multiple Gas Cylinders

August 29, 2022

If you do not have a single gas cylinder containing all the required gases to calibrate your portable G7 device, you will need multiple gas cylinders to...

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Calling and Messaging G7c

July 11, 2022

This article is only for self-monitored customers. If you have purchased a monitoring plan from Blackline Safety, the Blackline Safety Operations Center (SOC)...

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G7 and EXO Gas Sensor Bump Testing and Calibration Order

June 16, 2022

Updated: November 1, 2024 This article describes the order that you should bump test or calibrate your G7 and EXO gas sensors. This article can be referenced...

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Changing your Loner Mobile Domain

June 15, 2022

The newly introduced Europe domain for Blackline Live may cause an error when you use your Loner Mobile app after June 24, 2022.

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Blackline Live and Third-Party Cookies

June 14, 2022

This article outlines the cookies Blackline Live uses and how they are used.

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Using the Wind Guard for Bump Testing or Calibrating G7 EXO Diffusion

May 12, 2022

When bumping testing or calibrating G7 EXO Diffusion in windy conditions, the Wind Guard is required to help regulate the flow and concentration of gas...

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Pellistor (Catalytic Bead) Sensor Technical Notes

May 6, 2022

This article provides an overview of the operation, accuracy, reliability, maintenance, and configuration of pellistor (catalytic bead) sensors.

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G7c and Medical Devices

April 21, 2022

The G7c emits radio frequencies and contains a magnet which may interfere with medical devices such as defibrillators or pacemakers.

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G7 EXO Pump Inlet Filters

March 23, 2022

Although the G7 EXO pump inlet filters are an optional accessory, Blackline recommends always installing the inlet filters when using G7 EXO Pump to maintain...

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G7 and G7 EXO Gas Sensor Incompatibility List

March 15, 2022

Updated March 17, 2022 It is important to verify that the configured gas sensor types are compatible with your G7 device. The following gas sensor types are...

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Resetting G7 EXO Pellistor (Catalytic Bead) LEL Sensors after an Overlimit Exposure

March 15, 2022

Background High concentrations of combustible gases affect pellistor (catalytic bead) Lower Explosive Limit (LEL) sensors in ways that do not apply to Infrared...

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Calibration and Bump Test Sequence for H2S and ClO2

February 22, 2022

When calibrating devices, the presence of Hydrogen Sulfide (H2S) will cause the Chlorine Dioxide (CIO2) response to show an OL then UL error.

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Blackline Safety 3g G7 Device Upgrade Program

February 7, 2022

Updated March 10, 2022. Beginning February 2022, US telecommunications companies will be shutting down their 3G networks to retire older equipment and prepare...

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Customer FAQs

January 20, 2022

The following questions related to Blackline Safety products and services have been frequently asked by customers:

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Using G7 EXO's Convenience Features

December 22, 2021

EXO devices using firmware version 3.455 and higher will include the following convenience features that will make it easier for device users to do their jobs:

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Correcting Start-Up Error on Pellistor (Catalytic Bead) Cartridge

November 16, 2021

Customers using a pellistor (catalytic bead) cartridge may experience a negative baseline reading upon starting up EXO. This may show as a negative Under Limit...

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Changing pump filter for updated G7 pump cartridge

November 15, 2021

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G7 EXO and Pellistor sensor compatibility

October 14, 2021

G7 EXO now supports gas cartridges with LEL‑Pellistor sensor technology. You can purchase a new EXO with LEL‑Pellistor, or you may be able to upgrade EXO with...

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Firmware update kit instructions

October 8, 2021

Updated April 23, 2025.

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Settings that can cause false TWA alerts

September 27, 2021

Combining the ACGIH method and settings that allow devices to stay online for days at a time creates a condition where accumulated gas readings are never given...

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Blackline Safety Glossary

September 24, 2021

Updated March 08, 2023 The Blackline Safety Glossary is a collection of words, phrases and acronyms that are commonly used at Blackline Safety.

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BUMP TEST AND CALIBRATION INTERVALS ON G7

September 14, 2021

How does the calibration or bump test interval work? Calibration or bump test intervals are set from G7’s configuration profile in Blackline Live. When your...

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G7c and G7x Firmware Update Process for Version 3.450

August 25, 2021

Updated October 1 2021 As with previous firmware updates, G7 downloads firmware version 3.450 over the air automatically. When the download is complete, G7...

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Replacing filter for G7 Multi-gas (Diffusion) Cartridge

August 24, 2021

Updated: October 2, 2024 G7’s filter must be replaced when it becomes visibly soiled or if bump tests and calibrations fail repeatedly. Improper reassembly can...

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Setting up alerts and notifications for EXO pump low flow

July 20, 2021

Blackline Safety is introducing a new alert and notification type to the Blackline Live web portal. “Pump low flow” is an existing feature of G7 EXO, but as of...

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Calibrating G7 O3 Sensors

June 30, 2021

Updated: February 8, 2024 This article describes how to calibrate a G7 device equipped with an ozone (O3) sensor.

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Calibration and Bump Test Sequence for SO2 and Cl2

May 27, 2021

Updated March 9, 2022

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Calibrate CO2 and LEL infrared sensors

May 20, 2021

Blackline’s carbon dioxide (CO2) infrared and LEL infrared digital sensors perform calibrations independently of the Blackline detector. The span gas values...

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Introducing the tumble alarm feature for EXO

May 5, 2021

Blackline Safety is introducing a new feature to G7 EXO — the tumble alarm setting will be added to the EXO configuration page on Monday May 10, 2021, and can...

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Introducing the New Floorplans List page

March 10, 2021

Updated March 16, 2021 As part of Blackline Safety’s project to update Blackline Live — not only in functionality but in aesthetic as well — we will be...

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Introducing EXO pump configurations

March 8, 2021

Following the launch of the EXO pump module, we now have configurable options for the module in the EXO configuration profile.

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Introducing the new Beacons list page

January 28, 2021

Updated February 25, 2021 As part of a larger project to revamp some of the older pages on Blackline Live, we are very happy to announce that a new Beacons...

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Bump test and calibration due dates in maps info panel

December 11, 2020

Blackline Safety now displays when devices will be due for a future bump test or calibration right within the Blackline Live portal! This feature was made...

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Peak readings in Device history view

December 3, 2020

What are Peak readings? Peak readings are the highest readings of gas detected during an exposure. Aside from reporting the highest concentration of gas...

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Getting familiar with Blackline Live terminology

November 2, 2020

Blackline Live is our web-based software platform that allows customers and employees alike to manage and configure fleets of Blackline safety devices....

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What's New in Loner Mobile - 1.9.9.3 update

October 27, 2020

Loner Mobile 1.9.9.3 is now available. https://apps.apple.com/us/app/loner-mobile/id567595599 https://play.google.com/store/apps/details?id=com.lonermobile

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Option to "Disable device power down" ON G7

August 13, 2020

Updated August 21, 2020 For worksite policies that require devices to remain online at all times, Blackline Safety is introducing a new feature that disables...

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Configuration Profile Update July 17th, 2020

August 11, 2020

Customers will notice the change log at the bottom of their configuration profiles was updated on July 17th with the initiator “Blackline Safety Customer Care...

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Optional LEL Latching Alarm

June 29, 2020

Overview This feature allows a G7 device user to choose if they would prefer their LEL sensor to continue alarming even after gas levels have returned to...

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LEL-MPS Sensor Technical Notes

June 24, 2020

Updated: September 26, 2022 This support article is a technical reference for some key topics related to NevadaNano Molecular Property Spectrometer (MPS™)...

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Alert profile restrictions for Blackline-monitored customers

May 13, 2020

Article posted: May 13, 2020 Customers that are monitored by Blackline Safety's SOC (Safety Operations Center) will notice a few changes to alert profiles when...

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Setting up gas alerts by sensor type

May 13, 2020

Article posted: May 13, 2020 Feature released Jun 1, 2020 Depending on the environment your Blackline devices are being used in, you may want to disable...

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Drive safe check-in and operational while charging features

January 3, 2020

Updated June 20, 2023. Blackline G7 devices have several features that enhance the effectiveness of the device and the safety of the user. The Drive safe...

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Introducing the new alerts page

November 7, 2019

This page was released Monday November 18.

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fall detection and no motion - explained

September 27, 2019

Blackline's G7 devices are equipped with the ability to detect if a user has fallen (fall detection) or is motionless for a period of time (no motion). These...

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Loner mobile location settings

September 23, 2019

When using Loner Mobile on your smartphone, the app will prompt you to enable location services. The following article outlines details around this.

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G7's default calibration gas setpoints

September 16, 2019

G7's calibration gas set points can be customized from the configuration profile on Blackline Live. The following article outlines the default calibration...

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Barcode scanner recommendations

August 30, 2019

Blackline Live’s quick assign page has been designed to be used with a standard barcode scanner. The page will allow you to quickly assign Blackline devices to...

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Bump tests and calibrations on G7

July 12, 2019

How does the calibration or bump test interval work?

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Search on live maps

July 11, 2019

In order to make it easier to find and focus on specific online devices, Blackline has implemented a live map search. This search functionality will allow you...

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Display assigned team member on G7

July 10, 2019

This feature allows you to check who has been assigned to a device through its interface. This can be helpful when devices are stored or left to charge, and...

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Universal search in Blackline Live

June 19, 2019

It’s now easier than ever to find resources in Blackline Live. Whether you have an ID number and don’t know what kind of device it’s attached to, or you just...

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Gas Sensor Cross Sensitivity

June 11, 2019

Updated: September 26, 2022 This article describes gas cross sensitivity, how it can impact your gas sensors, and what gas sensors can exhibit it. The article...

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Exporting data from Blackline Analytics

May 30, 2019

Blackline Analytics displays data from your device fleet in a comprehensive and highly visual way, using charts and graphs to demonstrate trends and allow for...

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Wearing G7

May 29, 2019

Blackline recommends wearing G7 in one of two places for the most accurate gas reading and safety detection: clipped to your chest or your hip.

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“Under repair” device feature

May 24, 2019

Edited May 28, 2019 What does “under repair” mean? “Under repair” is a flag or indicator that can be applied to a G7 device in order to communicate that it...

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G7 configuration status

May 15, 2019

G7 configuration profiles now provide more insight to the state of a configuration on your device. With our latest portal update, you will notice that G7...

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Improved search function on profile pages

May 7, 2019

In order to make it easier than ever to add team members and devices to profiles, Blackline has enabled a search feature in the contact and device selection...

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Manually bump testing G7 with multiple gas cylinders

April 30, 2019

Updated: June 16, 2022 If you do not have one gas cylinder containing the entire gas mix to bump test your G7 device, you will need multiple gas cylinders to...

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Pairing new G7x devices with your organization’s Bridge network

April 29, 2019

When receiving a new G7x, it will first need to be paired to your organization’s Bridge network. Pairing devices is a one-time setup step. After being paired,...

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Blackline Live password policy

April 15, 2019

We require passwords in Blackline Live to be strong and secure. Passwords must contain the following: A minimum of 8 characters One upper-case letter One...

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Gas sensor readings report

April 8, 2019

Blackline Safety is excited to introduce a new and improved version of our previous incident report. This new gas readings report will plot gas readings over...

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Call emergency response contact’s assigned device

March 15, 2019

Some companies work in facilities where cellphones are not permitted, making it difficult to contact emergency responders on-site in the case of an alert. In...

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Using G7 Pump

March 8, 2019

Updated October 18, 2023. How do I use pump? G7's multi-gas pump cartridge uses configuration modes to enable and disable the pump. Configuration modes allow...

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Configuration modes

February 20, 2019

Edited May 8, 2019 What is a configuration mode? Configuration modes are accessible through the configuration profile. Each profile can now support up to a...

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Introducing pump run mode

February 20, 2019

What is pump run mode? With the release of G7’s multi-gas pump cartridge, a new device mode is being introduced to accompany it. This mode is unique in that a...

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Operating Devices in Extreme weather

February 12, 2019

Updated September 09, 2022 This support article describes how very cold or very hot temperatures impact portable and area monitoring devices. This article...

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Installing G7's plastic belt clip

January 11, 2019

Blackline Safety offers a plastic belt clip to replace the metal alligator clip G7 devices ship with. If you are interested in ordering a plastic belt clip,...

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Transferring gas out exhaust

January 10, 2019

When looking at the back of G7 Dock, the gas out exhaust is the connector on the far left side of the dock. It is used to transfer calibration gas to a safe...

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Cleaning Devices and Accessories

January 8, 2019

Updated: December 11, 2023 This article explains how to clean portable and area monitoring devices and their accessories while avoiding contaminating device...

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Calculating STEL and TWA

January 3, 2019

Updated August 26, 2022 This article describes how TWA and STEL are calculated for G7c and G7x devices.

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G7x and G7 Bridge over-the-air firmware updates

December 20, 2018

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OTA Firmware Updates

December 20, 2018

Updated July 2, 2025

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Configuring G7 Dock from Blackline Live

December 7, 2018

Edited December 20, 2018 Dock configurations were previously not visible on the portal, and could not be configured without calling in to Blackline’s Customer...

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Blackline Analytics full screen mode

December 3, 2018

We now have a new full screen feature on the Blackline Analytics page in order to make our reports easier than ever to look at — especially on mobile! You will...

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Blackline Analytics — Using the Device logs report

November 19, 2018

Blackline Analytics now includes a Device logs report — this report is made up of a single table that includes information on all events reported to a device...

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Explore device data with Blackline Analytics

October 24, 2018

Edited February 11, 2019 Blackline Safety prides itself on providing customers with frequently updated data from their device fleet in the form of...

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How to test phone numbers in Blackline Live

October 22, 2018

The ability to test team member phone numbers is now available on Blackline Live. This feature will send a test SMS message to the listed mobile phone number...

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Maintaining monitoring organizations

October 17, 2018

Blackline Live’s relationship structure makes it possible for monitoring services to manage and monitor their customers’ devices directly within the Blackline...

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Using push-to-talk (PTT)

October 16, 2018

Edited September 19, 2020

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Bump Testing and Calibrating CL2 or CL2 and SO2 Sensors

June 11, 2018

Updated October 25, 2022 This article describes Blackline Safety’s equipment and device setting recommendations for bump testing and calibrating G7 and G7 EXO...

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Pairing devices with G7 Bridge

May 18, 2018

G7 Bridge and G7x come paired when shipped directly from Blackline. If you have purchased from a distributor (or are a distributor yourself), or have recently...

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Alert audio troubleshooting

May 7, 2018

Updated July 18, 2024. Blackline Live’s alert banner allows monitoring centers and self-monitored customers to quickly managing incoming alerts. When the...

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Why Indoor Location Technology?

April 30, 2018

Indoor Location Technology and Blackline's Location Beacon are an important addition to accurately locate employees when working indoors. The following...

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Choosing a Vehicle Charger for your G7 Device

April 30, 2018

Updated October 16, 2023. This article provides guidelines for what vehicle charger to use with your G7 device.

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G7 Multi-gas cartridge sensor options

March 23, 2018

Updated December 1, 2023. The G7 multi-gas cartridge configuration supports two, three, four or five gas sensors. Support for five gases is specifically...

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Using G7 devices — specific absorption rate

March 16, 2018

G7 SAFETY MONITORING Your employer has asked you to wear G7 safety monitoring technology to help ensure your wellbeing when working alone. G7 wearables...

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Cleaning G7's microphone and speaker

March 14, 2018

Upon start-up, G7 will test its lights, sound, vibration and ambient noise. If your sound test fails, it is likely that your microphone or speaker is dirty and...

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Blackline Live Language Support

December 18, 2017

Updated September 11, 2025. This article describes how the Blackline Live User Interface can be dynamically translated into multiple languages.

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Gas Regulators

November 10, 2017

Updated on April 28, 2022 What is a gas regulator? Gas regulators are an accessory that attaches to a gas cylinder. They regulate the amount of gas flowing...

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Replacing Single-Gas Diffusion Cartridge Filters

October 20, 2017

Updated: November 08, 2022 This article describes how to change the filter on your G7 single-gas cartridge.

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Accessing the Blackline Web Application

September 27, 2017

Updated January 25, 2022 Using Blackline's software applications - such as the Blackline Live Safety Portal - does not require the installation of specialized...

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Device Communication

September 27, 2017

This graphic illustrates how Blackline devices communicate with the Blackline Safety Network. Data travels from each device to the network through cellular and...

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Blackline Safety System

September 27, 2017

This graphic shows the different parties involved in Blackline's safety system, and how they are connected and communicate. An organization representative can...

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Placing Your Location Beacons

July 31, 2017

This guide will explain how to position Location Beacons in the Blackline Live portal. Correct set up of Location Beacons is crucial in order to make sure that...

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Preparing Your Floor Plan Files for Blackline Live

July 31, 2017

Use this guide in order to help you prepare your floor and site plan files for the Blackline Live portal. By following these guidelines you can help ensure...

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How the SureSafe and LiveResponse Lights Work

July 24, 2017

SureSafe™ light The SureSafe monitoring light tells you when your device is connected to the Blackline Safety Network and ensures that your safety is being...

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How Check-Ins Work

July 24, 2017

Checking in Checking in tells monitoring personnel that you are OK. The amount of time between check-ins and the amount of time the pending alarm sounds are...

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Alarms vs. Alerts

July 24, 2017

Local Alarms occur on the device Remote Alerts occur in the Blackline Live portal

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Blackline Safety Device Usage Reports

July 20, 2017

The Blackline Safety device usage report is designed to give visibility into how much each device is being used and by whom.

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Blackline Safety Alerts Report

July 13, 2017

The Blackline Safety Alerts report is designed to give visibility into the types of alarms your team is generating, and how long it is taking to act on these...

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