HAZARDOUS AREA EQUIPMENT
Arco launches online guide to Safety Signs H
New ATEX flow sensors
M
onitoring the flow of media in explosion-hazard areas is now easier with the latest range of calorimetric sensors from ifm electronic Ltd. The new system consists of a panel-mounted 24V control unit, the SR, with an ATEX group II, category 2G probe, designated SP, which can be fitted in a Zone 1 ATEX hazardous area. The control unit provides the power for the system and signals via potential-free contacts. It also allows the user to set the switchpoint sensitivity with simple pushbuttons, and displays the nominal flow range and the switch point status on a bar of multicoloured LED’s. A useful feature when handling sensitive products is the additional output for a temperature alarm. The probe is manufactured from a high-grade stainless steel, ensuring compatibility with many fluids and comes with a 6m length of cable.
ifm electronic Ltd Tel: 020 8213 0000 Web:
www.ifm.com/uk
enter 806
azard warning signs, prohibition signs, mandatory signs and safe condition signs – understanding the legal requirements for signage and how to make your workplace safer can be confusing. Following the success of the its Safety Signs Catalogue, Arco, the UK’s leading supplier of personal protective equipment and workwear, has now launched an online guide to safety signs. The dedicated signs section of the Arco website offers a single source of information on standards, advice on different signs and a place to purchase any of the signs required, including the ability to order customised signs. The online guide has been designed to work alongside the Arco Safety Signs Catalogue, offering customers flexibility and ease of use. The website has been categorised to make navigating and choosing easier, for example many of the signs have been labelled as ‘required by law’ or ‘Essential for Warehouse’ to help guide users to the correct selection. The website also includes information on the size and material used in the sign, as well as a ‘handy hints’ checklist to make things even easier.
Arco Ltd Tel: 01482 611611 Web:
www.arco.co.uk enter 807
Self-monitoring temperature measurement S
taying ahead of the game when it comes to sensor technology is nothing new to ifm electronic, so it comes as no surprise that the TAD series temperature transmitters, cutting edge when launched a couple of years ago, have had an upgrade. The TAD temperature transmitters are self-monitoring units comprising two different sensor elements which monitor each other. This ensures that a developing sensor drift is immediately detected and reliable diagnosed. It also ensures that if one element fails there is the back-up to ensure that the process continues. For users this means increased reliability and calibration intervals can be increased to reduce costs. The upgrade to ifm electronic’s TAD range is the inclusion of an IO-Link interface which allows the programming of drift warning thresholds, display units, analogue scaling etc., to be carried out via the now widely available IO-Link 1.1 protocol.
ifm electronic Ltd Tel: 020 8213 0000 Web:
www.ifm.com/uk enter 808
Enter 14 Electrical Engineering DECEMBER/JANUARY 2013 19
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