Alutal Measure & Trust

EXCELA® Intelligent Pressure Switch and Thermostat

Excela is the first switch of its kind. Designed to give plant operators an affordable way to upgrade to electronic performance, Excela has only two wires, so it can be easily dropped into existing mechanical switch infrastructure. Available in pressure, differential pressure, and temperature switch models, this innovative, high-quality electronic switch delivers everything operators need for better performance at an affordable price.

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The product

What makes the Excela switch different? It installs like a mechanical switch – with only two wires – and it delivers the performance of an electronic switch, with an LCD display and LED indicator lights so you know it’s working. In short, Excela is the only way to upgrade performance easily and affordably.

Especificações da chave Excela

Power Input Digital input from PLC, DCS or I/O cards, 8 to 50 VDC @ up to 0.1 Amp
Accuracy 0.5% of full range span, at room temperature
Operating Ambient Temperature Range -40 °C to 71 °C (-40°F to 160°F)
Enclosure Type 4X / IP66 certified epoxy coated aluminum alloy 360
Electrical Conduit Gasketed 304 st/st 1/2” NPT (female) on the left with interchangeable plug on the right side
Display 4 digit x 12.7 mm (0.5”) LCD provides the following information:

  • Units of measure;
  • Switch status – Green & Red LED flashing status light.
Setpoints (Rise and Falls) Fully programmable over the sensor’s entire range


Gauge Pressure 316L st/st wetted parts, welded diaphragm, 1/2” NPT (female) process connection
Adjustable Ranges: -1 bar to 414 bar (full vacuum to 6000 psi)
Differential Pressure 316L st/st wetted parts, welded diaphragm, 1/4” NPT (male) process connections
Adjustable Ranges: 0 to 13.8 bar (0 to 200 psid)
Temperature 316L st/st 6.4 mm (0.25”) OD sheath containing a 100 ohm 4-wire platinum RTD element
Adjustable Ranges: -184°C to 538°C (-300°F to 1000°F)
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