In-situ Laser Analytics

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Processes under control

Siemens in-situ tunable diode laser analyzers are designed to measure components of interest from rotary klin monitoring in cement procesess to flue gas monitoring in waste incineration and power plants. Choose from a complete portfolio of instruments for measurements directly in the stack, duct or process stream without any sample handling or conditioning system.

SITRANS SL and LDS 6 Product Family

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In-situ continuous process gas analytics

Do you need a fast, reliable way to measure dirty, dusty, corrosive samples?

In-situ analytical procedures feature physical measurements in the flow of a process gas, directly in the actual process gas line. This technique allows the TDL to reliably measure highly reactive components which could cause an extractive sampling system to fail
In-process gas analysis

SITRANS SL and LDS 6 reference cells

Operating software

LDSComm – the software tool for remote diagnostics and maintenance

The LDSComm software tool for continuous, in-situ process gas analytics offers you clear menu navigation and extensive user support.

Manage everything with one operator interface

The LDS 6 can be operated remotely via the Ethernet port with a PC running Windows 95/98/ME or Windows NT/2000/XP. It‘s also possible to connect the LDS 6 to the public telephone network via a modem. This requires an LDS 6 LAN modem kit. Any external connection requires that the optional LDSComm (LDS Communication Client) software be installed on the remote computer, thereby making it possible to control all LDS 6 functions. 

Downloads, support, and services

Information at a glance

Whether you would like to know more about our In-situ analytical devices, have technical questions, or need spare parts, we have summarized essential additional information for you below.
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The fastest way to the experts

Proposed solutions for your queries and direct access to our experts in Technical Support.


Service offers

To remain competitive, companies in industry must ensure – and ideally increase – the availability and productivity of machines and plants. As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise.

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Service catalog

As your partner, we offer a unique range of services and support based on our extensive technology and industry expertise. With our offerings, you can expect a high degree of reliability and a successful digital future for your company.


Well trained for excellent handling

Siemens experts are available with a variety of training courses and to help you understand gas chromatography and continuous gas analysis and how to operate and maintain your Siemens analytical products. Siemens offers both introductory and advanced courses several times a year.

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Success Stories

Our in-situ continuous process gas analyzers are indispensable in many areas of the process industry. Learn more about their applications and how they ensure reliable measurement results in specific industries.


How can we help you?

We are represented worldwide with production facilities and system integration centers. Each center, whether in Houston, Singapore, or Karlsruhe, has its own sales, engineering and assembly teams, service and logistics hotlines and well-equipped training centers. In addition, our employees have a global presence and are familiar with all relevant local requirements, guidelines, and standards.

Customer Support: 1-800-448-8224

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