Catalog excerpts
HIGH PRESSURE CAPILLARY RHEDMETERS
Open the catalog to page 1HIGH PRESSURE CAPILLARY RHEOMETER Single- or multi barrel system for determination of the ow- and viscosity function The RHEOGRAPH 20, 25, 75 and 120 with CAN-Bus technology were developed with the experience and potential from more than 30 years of the numerous generations before. A higher rate of automation and user friendliness, a wide shear rate range as well as a testforce, which might be sufcient for many applications come as a standard. Many useful options and nonstandard features can be realized. The integrated color touchscreen, the automatic pressure transducer detection and the...
Open the catalog to page 2Increased accuracy with improvements to the pressure measurement! As an example, a 2000 bar pressure transducer now resolves down to only 0.1 bar, or using a 30.000 PSI transducer that resolves down to only 1.5 PSI. -0,1 Percentage of the nominal pressure [%] The initial situation of the old machine generation Figure 2: Detection of the repeatability with the RHEOGRAPH 2003/6000 at the example of Polycarbonate (or method used currently by all other manufacturers) Figure 3: Detection of the repeatability with the RHEOGRAPH 120 with optimized signal preparation In the gure (3) the same...
Open the catalog to page 3Options in Detail Determination of Flow Instabilities (Shark-Skin) • Measuring cell for detection of the Shark-Skin effect • Consisting of slit die, 3 new designed and higher frequented sensors (sample rate up to 20 kHz), as well as Software package • Determination of the frequency spectrum and the statistical evaluation of the pressure signal • Used for optimization in extrusion, lm- and coating process Thermal Conductivity • Measurement of heat conductivity • Temperature range up to 450°C pressure up to 1000 bar • Developed according to ASTM D5930 • Test probe with integrated heater...
Open the catalog to page 4Pressure dependance of the viscosity, the Counter Pressure Chamber • • • • • Determination of the pressure coefcient Determination of the critical wall shear stress for wall slip Maximum mean pressure (Pm) 1200 bar Temperature range up to 400 °C Optimization of the ow process in converting machinery (injection molding, extrusion tools with long ow paths, melt pumps) RHEOTENS / HAUL-OFF • Measurement of melt extensional viscosity according to model Wagner • Usable for nearly all materials • Stepless variable speed from 0-114 m/min (HAUL-OFF 0-2000 m/min) • Linear or exponential acceleration...
Open the catalog to page 5LABRheo Network capable Software system for parameterization, measurement and evaluation Functions Ease of use, covering a wide range of application needs, this software offers an all in one solution tool. • • • • • • • • Use of Microsoft ACCESS Database Freely congurable display of data tables and graphics Continuous display of the device status Automated acquisition of all test instrument data Online help, self-diagnostic and info elds to help the user Open platform for user specied elds and lters for measurements Managed access rights for more data security Script controlled measurement...
Open the catalog to page 6Performance data Test barrel geometry Force range Range: +5°C higher than room temperature up to 400°C (option 500°C) Temperature control algorithm, Display +/- 0.01°C Temperature control: 3x Pt100 sensor 5 Temperature calibration and control data set Integrated timer for temperature set value Other geometries on request Servo drive, resolution 0.0000016 mm Test piston speed range 0.00004 - 40 mm/sec (0.0024 - 2400 mm/min.) Drive torque monitoring and display Continuous variable control of test piston movement Pressure transducers / Accuracy 0.2 % of range Force transducers / Accuracy class...
Open the catalog to page 7Quality could not be proven - it has to be produced ... GOETTFERT Inc. 488 Lakeshore Parkway Rock Hill, SC 29730 USA Tel : +1 (803) 324 3883 Fax: +1 (803) 324 3993 info@goettfert.com www.goettfert.com GOETTFERT (China) Limited 2-1211 Xiaoyun Tower, No. 15 Xiaguangli Chaoyang District Beijing 100027 China Tel : +86-10-84832051 Fax: +86-10-84832053 info@goettfert-china.com www.goettfert-china.com GOETTFERT - Dataphysics Instruments India Pvt. Ltd. P - 84A, C.I.T. Road Scheme - VM Calcutta - 700 010 India Tel: +91-9339867536 info@gdinstruments.co.in www.gdinstruments.co.in
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