History

from 1967 until today

Bieler+Lang Geschichte
1967

Company formation

The company was founded by Hermann Bieler and Karl-Heinz Lang.
The main activity was contract manufacturing of electrical components and printed circuit boards.

1969

Own development KDH

Market launch of in-house development – KDH (digital components, IC precursors)

1970

New building in Oberachern

1970 Start of the new construction of the production facility in Oberachern.
Further extensions were added in several steps over the years.



1971

Gas warning technology

Entry into the gas warning technology with the new development of an “air control”.


1982

Gas measurement system with processor control

First Bieler+Lang gas measurement system with processor control

1983

Toxic gases

Expansion of the gas detection technology business area through the
Development of measuring systems for the detection of toxic gases and oxygen
Market launch of CO warning systems for parking garages and underground garages










1993

Change of Managing Director

Handover of the management to Thomas Springmann and Dipl.-Ing. Heinz Lang

1996

Automation in production

First fully automatic SMD placement machine goes into operation

1997

Expert opinion for the products

All explosion-proof detectors from Bieler+Lang have a
European harmonized certificate.

2000

ISO 9001 certification

Bieler+Lang passes the certification according to DIN EN ISO 9001.

2002

ATEX approval

Approval of the quality assurance system according to ATEX 100a by PTB

Introduction of new Ex-sensors according to ATEX 100a

2005

Ex-Zone 2 products

Introduction of a detector of the ExDetector series for Ex zone 2




Changeover in production to lead-free soldering

2007

Move to Renchen

Relocation of the gas warning division to Renchen

2008

Biogas analyzer

Market launch of the GMC Biogas08 biogas analyzer

Bieler+Lang: Biogas Analysegerät GMC Biogas 08

2013

New building in Achern

New building and move to Von-Drais-Strasse 31 in Achern at the end of the year.



Production: Commissioning of the selective soldering system

2016

Production expansion

Production: commissioning of painting line and potting machine








2017

Cultivation in Achern and
50 years Bieler+Lang

Expansion in Achern and relocation of the gas warning division from Renchen
50th company anniversary in June 2017

2018

Production expansion

Full automation of the SMD line including new digital paste printer and new reflow oven



Market launch of remote gassing and calibration adapter FBA-2018

2019

Refrigerant
and CO2 monitoring

New development of the GasDetector IR220 for monitoring refrigerants and CO2.


2023

Safe Monitoring Group

Fusion to Safe Monitoring Group under the leadership of Alexander Larsson. Two Swedish companies and we form the Safe Monitoring Group to offer our products and services on the European market more strongly.