G7 GETTING STARTED GUIDE
©2023 BLACKLINE SAFETY CORP
Rev. 11
G7 GETTING STARTED GUIDE | 2
2023-05-09
GAS DETECTION
Some G7 devices are equipped with a Single or
Multi-gas cartridge capable of detecting gases in your
environment.
If you have a Standard cartridge, you can ignore the
GAS DETECTION section of the guide.
Quad-gas
(2-5 gases)
Single-gas
(1 gas)
Standard
(no gas)
Which cartridge do I have?
G7 Dock
Bump tests and calibrations can also be completed
with G7 Dock, where this process is automated for
you.
To bump test or calibrate with Dock:
1. Place G7 in Dock at a 30 degree angle
2. Lower the top of G7 into Dock,
pressing until you hear a click
3. Close G7 Dock’s lid
4. Select bump test or calibration from
the Dock menu on G7
5. Allow G7 Dock to run and remove G7 when the
screen prompts you
Low warning alarm for gas
If a sensor detects a low concentration
gas level.
UL (under limit)
If a sensor’s baseline shifts and is unable
to obtain an accurate gas reading.
Sensor error
If a sensor stops working for any reason.
Calibration and bump test
If a sensor is due for a calibration or
bump test.
High alert for gas
If a sensor detects gas levels above the maximum
gas concentration.
STEL (short term exposure limit)
If a sensor detects you have reached the short-term
exposure limit congured.
TWA (time weighted average)
If you have reached the average gas amount of
repeated exposure in an eight-hour period.
OL (over limit)
If excessive amounts of gas are detected and
sensors can’t provide an accurate gas reading.
Visit support.blacklinesafety.com for technical
support and access to the following materials.
Technical User Guide
Video training tutorials
Datasheets
Certications
Accessory products
Please contact us for warranty activation, technical
support, advance replacement and account setup
assistance.
North America (24 hours)
Europe/United Kingdom (8am-5pm GMT)
International (24 hours)
+1-403-451-0327 |support@blacklinesafety.com
YELLOW WARNING ALARM RED ALERT LEARN MORE
CUSTOMER CARE
How to manually bump or calibrate:
1. Attach calibration cap to one end
of the tubing
2. Attach the other end of the tubing to a xed
ow regulator on your calibration
gas cylinder
3. Attach the calibration cap to the cartridge
4. Press OK to access the main menu
5. Using the up and down arrows,
navigate to gas options
6. Select OK to enter the gas options menu
7. Use the OK button to select bump test
or calibration
8. Follow the instructions on G7’s screen to
complete the calibration or bump test
Multi-gas G7
Single-gas G7
Tubing
Calibration
cap
