September 1st, 2016
Environnement S.A Group, leading European supplier of environmental monitoring equipment, and the company
TDL Sensors Ltd, high technology innovative company supplying laser based monitors for industrial applications, are
proud to announce the acquisition of TDL Sensors Ltd by Environnement S.A Group. It allows the enlarged group to
offer worldwide, the most advanced and wide range of solutions to match present and future challenges in respect
of process or regulatory environmental monitoring requirements for industries.
This alliance will immediately contribute to the market release of a new range of innovative laser based emission
monitors such as ultra‐low detection of HCl emissions, and accelerate both Research and Development in joint
Environnement S.A Group commitment to the development of advanced instrumentation for global market is
reinforced with the acquisition of TDL Ltd. TDL Ltd will retain its current management team and employees and plans
to recruit additional product development professionals.
The management of TDL Ltd and the broader Environnement S.A Group (including its existing UK subsidiary PCME
Ltd) will focus efforts to the anticipated strong growth provided by synergies within the Group. It will benefit their
respective customers, partners and employees in terms of expertise, quality and services.
François Gourdon, President and founder of Environnement S.A declares ”We are very enthusiastic about the
opportunities that we’ll be able to provide to our worldwide customers. The expertise of TDL Sensors Ltd through
Tunable lasers (including cascade lasers) for the monitoring of high‐resolution gas concentration in industrial
processes, combined with the expertise of Environnement S.A Group in the monitoring of gas and particulate, will
definitively help to anticipate the worldwide requirements for much lower emissions”.
Roger Benson, Chairman of TDL Sensors Ltd adds: “This strong partnership announced today will boost TDL Sensors
Ltd growth plan and strategy, allowing our technology to reach new customers and new markets, while
strengthening our capacity to develop new applications (on road vehicle emissions, carbon policies and carbon trade
About ENVIRONNEMENT S.A (www.environnement‐sa.com) :
Environnement S.A, the European leading manufacturer of on‐line environmental monitors whose headquarters are
based in Poissy (France), is a Public company since January 2006 listed on NYSE‐Alternext.
Founded in 1978, the Environnement S.A Group provides solutions to public and industrial decision makers
responsible for environmental policy and compliance, helping them monitor and evaluate their ecological footprint.
The company has developed advanced expertise in the following continuous monitoring fields: air quality, industrial
emission, engine gas, water quality and radionuclide.
About TDL Sensors Ltd (www.tdlsensors.co.uk):
TDL Sensors Ltd was founded in 1999 and spun out of the Department of Chemical Engineering, University of
Manchester, to develop a tunable diode laser based gas analyzers. In the following years, TDL Sensors have
developed measurement solutions for the glass coating industry, ultra‐harsh processes, enclosed atmospheres for
the protection of personnel, trace gas monitoring for the oil and gas industries and for the optimization of
combustion in Steel Industries.