36 ANALYTICAL AND LABORATORY EQUIPMENT


such as welding, pressing, rolling or stamping. Te application of a mechanical load causes tensile and elongation stresses to occur inside the material. Te investigation involving X-ray radiation then indicates the chronological sequence of effects occurring within a material at a crystalline level in micrometre- sized domain areas.


At the heart of the described experimentation chamber is a hexapod, developed by Physik Instrumente (PI). Dr Norbert Schell, the scientist in charge of the HEMS Beamline, illustrates the context: “For an increasingly large range of in-situ investigations of ‘real’ processes, that is processes that actually occur in industry (but of course not only there) – associated with the cutting of workpieces, the coating of surfaces for the hardening or improvement of tribological properties, reshaping, welding, heat treatment as well as combinations of these techniques – it is our ultra-rigid hexapod with its tremendous load-bearing capability and micrometre precision positioning that makes it possible for the first time for us


Fig. 2. The parallel-kinematic custom model, the M-850K, delivers positioning down to the micrometre for loads of up to one tonne in every orientation.


to conduct scientifically rigorous examinations of the structural changes that occur at an atomic level. Tis is highly interesting, and is also important in helping us to understand the processes


that are occurring and that, ultimately, enable customised materials to be optimised.”


Te parallel-kinematic custom model, the M-850K,


Digital thermometer/logger for Pt100 sensors


The new Tempmaster PRO from Labfacility provides very high precision temperature measurement with Pt100 sensors. Data can be displayed in ˚C,˚F, K


or Ω as required; nine front panel push


keys, the only user controls, are used in conjunction with the large, clear display screen.


Resolution is 0.01˚C and all


computations are performed digitally without drift. Overall stability is optimised


by utilising only the highest quality components, including high precision, expensive metal film resistor networks. There are two input ports for 3 or


4 wire Pt100 sensors; the instrument automatically recognises 3 or 4 wire configurations. Both inputs can be scanned and values logged according to parameters set up by the user in the PC software. A real-time clock and on-board memory are incorporated. The measured temperature can be


displayed directly from one of the inputs or differentially between the two inputs. Differential temperature and the two individual channel temperatures are displayed simultaneously. Individual calibrated sensors can


have up to 10 appropriate calibration values programmed into the Tempmaster


www.scientistlive.com


PRO. The instrument then digitally self- calibrates to the associated probe over the range embraced in the calibrated values used; the temperature readout is ‘corrected’ accordingly. A SMART PROBE facility accepts a


calibrated Pt100 sensor which carries its own calibration values within the probe. A flash drive USB port is provided to


allow data to be stored and/or exported. Firmware updates are also facilitated via this port. The PC software supplied with the


Tempmaster PRO allows remote control, measure and logging. Serial interface with the PC is via a USB connection.


Labfacility Ltd is based in Bognor Regis, UK. www.labfacility.com or www.tempmasterpro.com


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