Compact high-tech HMIs.

R. Stahl HMI Systems is introducing the new ET-438 and MT-438 Panel PCs. Based on the SHARK device platform, they have been specially optimised for onshore and offshore applications in the oil and gas industry.

The new 15" compact-class devices feature powerful processors, state-of-the-art display technology, and enhanced connectivity for high-speed and secure data communications. ATEX- and IECEx-certified, these new HMIs are ideally suitable for use in hazardous areas applications (Zone 1, 21 and 2, 22) such as managing and monitoring of drilling, purging, and directional drilling operations.

Both Panel PC types are available with either a standard AMD dual-core CPU or optionally with a top-of-the-range Intel Core i7 processor. Two junction boxes house multiple explosion-proof interfaces for increased flexibility and connection versatility. Secured data transfer is provided either by a second redundant Ethernet port, or an intrinsically safe Wi-Fi module. To enable VoIP video conferencing, the Panel PCs can also be configured with video camera and Bluetooth interfaces. To reduce irritating reflections and glare in outdoor applications or other strong ambient light conditions, the devices are also available with anti-reflective coated front glass upon request. This option ensures superior readability even in direct sunlight, with brightness levels of more than 1.200 cd/m2.

The capacitive multi-touch display, six freely configurable buttons, and two buttons for brightness adjustment make the HMIs very user-friendly. The Panel PCs are extremely rugged with an enhanced shock and vibration resistance; the powder-coated aluminium enclosures are IP66-rated and seawater-proof. This makes them perfect for tough applications even in the harshest environments. With optional integrated heating, they can be reliably operated at ambient temperatures from -40°C to +65°C (-40°F to +14°F).

• Stahl products are marketed in Ireland through Douglas Controls & Automation.

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