Page 25 - Energize April 2022
P. 25

NEWS


        Hydraulic deadweight tester for calibrating


        pressure measuring instruments




             eadweight testers are accepted as the most accurate method for the calibration   For fine adjustment, an adjustable
             of electronic or mechanical pressure measuring devices. Instrotech is offering the   volume with precision spindle is available.
       DLR-Cal LDW series of deadweight testers, which are available in the ranges from 10   The weight applied is proportional to
        bar to 1400 bar.                                                          the desired pressure and provided by
           The direct measurement of pressure (according to its definition as a quotient of force   using optimally graduated weights. As
        and area) ensures high accuracies and long-term stability. These testers are used extensively   soon as the measuring system reaches
        in calibration laboratories in industry, standards institutes and research facilities.  equilibrium, there is a balance of forces
           The LDW series are ideally suited to on-site use as well as for service and maintenance   between pressure and wheel weights.
        purposes. The customized assembly allows set up of a complete, compact system consisting   Due to the excellent quality of the system
        of a universal basement and the measuring systems (piston/cylinder units). The high-quality   this pressure remains stable over several
        piston/cylinder units are manufactured from tungsten carbide which is known for its small   minutes, so that, for instance, adjustments
        temperature co-efficiency. Fast and uncomplicated changes of the measuring range are   of the device under test can be carried out
        possible using a flat spanner.                                            without any problems.
           In order to generate the individual test points, the piston/cylinder system is weighted   For users who require a digital
        with mass loads which are also calibrated and specially adapted to the required application.   pressure display for connection to the
        The basement is fitted with the corresponding system, depending on the measuring range of   deadweight tester, Instrotech can supply
        the device under test. The pressure is set via an integrated pump or, if an external pressure   the Keller Leo2 that offers accuracies
        supply is available, via control valves (pneumatic models).               of 0,1%. An intrinsically safe version is
                                                                                  available.


                                                                                  Contact Instrotech, Phone 010 595-1831,
                                                                                  sales@instrotech.co.za
                                                                                  Facebook: bit.ly/3rj1SWY
                                                                                  LinkedIn: bit.ly/3rkfKjL
                                                                                  YouTube: bit.ly/3irItiy
                                                                                  Product: https://bit.ly/3zNwYKH
                                                                                  Hashtags: #pressurecalibration
                                                                                  #calibration #Instrotech


           Bosch Rexroth Africa Development


           appoints new manager





                he Bosch Rexroth South                                            Africa Development in extending the
                Africa Group of Companies                                         Group’s reach into emerging African
           Thas appointed Petrus Viljoen                                          markets. “We wish Petrus and his team
           as Manager of Bosch Rexroth Africa                                     all the best”, said Chris Riley, CEO,
           Development, effective January 2022.                                   Bosch Rexroth South Africa Group of
             Viljoen has been part of the                                         Companies.
           Bosch Rexroth SA Group since 2013
           where he played a significant role                                     Contact Gillian Allin, Bosch Rexroth
           in the development of the Group’s                                      South Africa Group of Companies,
           distribution network outside the                                       Phone 011 979-4630,
           borders of South Africa. In his new                                    Gillian.Allin@boschrexroth.co.za,
           role, Viljoen will lead Bosch Rexroth   Petrus Viljoen                 www.boschrexroth.africa





                                                    energize | April 2022 | 23
   20   21   22   23   24   25   26   27   28   29   30