
Calorimeter
CWD HT
CWD product series
With the HT version, humid gases with a dew point ≤ 60 °C can be measured directly and reliably. This is particularly relevant for applications such as wood gasification or various industrial gases, where the dew point is often higher than the ambient temperature.
Typical areas of application
– Industrial furnaces and thermal processing plants
– Glass and ceramic production
– Metal processing and heat treatment furnaces
– High-temperature burner control
– Optimization of energy efficiency and gas quality
– Process monitoring in extreme thermal environments
Measured variables
– Calorific and heating value
– Wobbe index
– Specific density
– CARI
– Air requirement
The CWD product series in comparison

CWD BASIC
Reliable measurement of calorific
and heating value as well as Wobbe index

CWD PLUS
Continuous, highly accurate determination of the Wobbe index

CWD DPC
for use in accordance with Class I Division 2, Groups B, C, D, T4

CWD SPC
Reliable, reproducible measured values in real time for optimum monitoring

CWD EXP
Safe shutdown with changing gas composition Gas composition

CWD HT
The new CWD for precise measured values in the high temperature range
Industry applications
These products can be used in the following sectors.

Iron and steel production
Our appliance series have been used in iron and steel production for many decades.

Biogas
Union Instruments products have proven themselves extensively in biogas upgrading plants.

Petrochemicals and refineries
We produce customized and flexible measurement technology solutions for the petrochemical industry and refineries.

Glass and ceramics
Perfectly coordinated appliance technology for glass and ceramic applications that works both safely and economically.

Natural gas
Our INCA multi-gas analyzers provide efficient solutions for processes in natural gas plants.

Generating energy from waste
Our appliance technology makes an important contribution to the functionality of environmentally friendly and energy-saving system concepts.
Service
We clarify administrative and commercial issues for you.
+49 721 680381-30
Support
You can open a support ticket for technical support for your product.
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Distribution
We prepare quotations for you, clarify questions about invoicing and manage your maintenance contract.
+49 721 680381-20
Downloads
Here you will find various downloads to support you.
Brochures, data sheets and application reports – we have all the relevant information for you here.
Industries
Our key application areas at a glance.
We supply a wide range of industrial plants such as steel production, the natural gas industry and biogas producers.
Products
Special products for your industrial application.
Our range includes the INCA, CWD and SIRA product series and the CAM module – combined with top advice and service.