Flowmeter Globally Approved Flowmeter for Hazardous Areas
With the North American FM approvals for the ignition protection types “intrinsically safe” (IS) and “non-incendive” (NI), Krohne has now received the last pending approvals for hazardous areas for its H250 M40 variable area flowmeter.
H250 M40 combines the main types of explosion protection in one device: it can be used in any suitable application that requires intrinsically safe or non-incendive wiring strategies or as well for dust-ignition or explosion proof installations. Together with the worldwide approvals, the flowmeter is therefore the first choice for large international companies that have a stringent explosion protection strategy for all plants but also need the respective local approvals. The same goes for OEMs that can fulfill requirements of different customers with just one device.
All available indicator variants can be supplied with all available approvals: starting with pure mechanical flow indicators, the devices can easily be upgraded with one or two limit switches (Namur, Transistor or Reed), a 4...20 mA signal output with Hart, a graphical LCD with totalizer and pulse output or finally with a digital, bus-powered communication interface according to Foundation Fieldbus or Profibus PA standard – all onsite, without interrupting the process. H250 M40 is also the first variable area flowmeter to offer a stainless steel housing with explosion proof (Ex d/XP) enclosure, dedicated for the oil & gas industry.
All approvals can be publicly accessed via the Krohne download center.
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