Mobility and parking

Hydrogen and underground car park monitoring

Bieler+Lang - Tankstellenüberwachung

Hydrogen / gasoline vapors / LPG – monitoring

Use our probes and gas measurement computers to monitor hydrogen H2, gasoline vapors and LPG at service stations.

Measuring probes and evaluation devices

ExDetector HC 100 /
HC 100 K

The measuring principle of the ExDetector HC 100 /
ExDetector HC 100 K
is based on catalytic combustion (heat tinting) and detects combustible gases and vapors in the measuring range from 0 to 100 % LEL.

Approved for Ex-Zone 1.

ExDetector HC150 /
HC 150 K

The ExDetector HC 150 detects explosive gases and vapors in the measuring range from 0 to 100 % LEL. The measuring principle of catalytic combustion (heat tinting) is also used here.

Approved for Ex zone 2 and in areas of functional safety according to SIL-1.

GMC 8022

The GMC 8022 is a gas measuring computer for up to 2 measuring points. It is designed for mounting on top-hat rails.

Measuring function:
BVS 03 ATEX G 007 X

GMC 8022 E

The GMC 8022 E is a gas measuring computer for mounting in a 19″ rack housing.

Measuring function:
BVS 03 ATEX G 007 X

Underground car park and tunnel monitoring

The Bieler + Lang product range also includes devices for monitoring garages and tunnels.

They are characterized by high-quality workmanship, offer reliable protection and are also inexpensive to maintain.

These devices are tested according to VDI 2053.

We carry in cooperation with Sensitron another gas detection system for underground garages and parking garages GMC Multiscan ++PK, which complies with the new European standard EN 50545-1. This can be configured for up to 32, 64, 128 or 256 measuring points and connected via a bus system. We will be pleased to describe the advantages of the individual systems to you.
Please do not hesitate to contact us.

Flyer (PDF)

Flyer underground car park monitoring

Measuring probes and evaluation devices

Gasmonitor Smart-P1

Single gas sensor for underground garages, available in CO or NO2 versions; with RS485 serial output.

Multiscan ++Park

The GMC Multiscan ++ Park is a gas detection panel designed in accordance with the EN 50545-1 standard for monitoring toxic gases in underground garages.


Safety must be maintained


Maintenance &

Maintenance contracts