德国FLUCON导热系数测定仪LAMBDA

德国FLUCON导热系数测定仪LAMBDA
The LAMBDA system is a compact, operator-friendly measuring instrument that facilitates a fast determination of thermal conductivity in a wide temperature and pressure range by means of the hot-wire method according to ASTM D2717. It is suited for fluid analysis in the laboratory as well as in the field, including the measurement of thermal conductivity of dispersions of nanoparticles (nano-fluids). The LAMBDA can be operated in the stand-alone mode or by any personal computer since it is equipped with a digital interface RS 232.
Key features
?	Thermal conductivity and temperature are displayed
?	Fast, instationary resistence measurement by means of the hot-wire method
?	No unwanted influence of convection
?	Suitable for any fluid, powder and gel
?	Only small amount of fluid sample needed (approx. 35 ml)
?	High reproducibility (approx. 99 %)
?	Short set-up time
?	Easy to operate
?	Optional connection to a computer for fully automatic measuring and temperature control
 
Fields of application
For determining the thermal conductivity by means of the LAMBDA a small fluid sample of approx. 35 ml is sufficient. The sensor is simply immersed into the measuring fluid and in intervals of approx. 60 seconds the LAMBDA determines the thermal conductivity as well as the temperature of the fluid. The compact measuring instrument opens up new possibilities for the flexible application in laboratory or field:
?	Optimizing of fluid development
Development of working fluids for heat transfer and isolation
?	Optimizing of fluid application 
Solving problems of heat transfer in process application
?	Quality control 
Quality control of incoming / outgoing liquids
?	Fluid analysis in the field 
Optimizing of service and maintenance intervals
 
Technical data
Power supply	110-240V 50/60Hz
Energy consumption	15W
Sensor output	smaller 10mW
Repeatability	98 – 99%
Viscosity range	0,1 – 10.000 mPas
Measuring media	fluids, gels, powders
Temperature range	20°C – 100°C
Temperature accuracy	± 0,1°C
Temperature measurement	PT100
Response time	ca. 60 s
Optional data transfer to a computer	RS232 interface
Display	LCD
Zero offset	automatic
Dimensions electronic unit (LxWxH)	350 x 260 x 160 mm
Weight electronic unit	approx. 2,9 kg





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