Listen in: Device conditions, consolidates multiple temperature sensor signals

Signals from multiple temperature probes come together at one device, saves over individual transmitters.

08/21/2008



If you have applications that use multiple temperature probes, the new version of Data Translation’s Temppoint temperature measurement instrument can process signals from up to 48 individual sensors. ( Listen in: Hear comments from Kristin Sullivan, product marketing manager on temperature measurement.)

Temppoint now offers an 8-channel entry level version that can be extended to 16, 24, 32, 40, or 48 channels as needed. Temppoint instruments are stand-alone boxes offering 8 to 48 separate 24-bit resolution inputs, each with its own A/D converter and CJC (cold junction compensation) circuit, providing the ultimate in accurate temperature measurement.

“Feedback from initial users of our Temppoint instruments has shown the need for lower cost, lower channel count versions,” says Fred Molinari, president and CEO.

The company says the device offers a high degree of precision and versatility:

  • Up to 48 dedicated 24-bit A/D converters for ultimate resolution;

  • Up to 48 dedicated CJC circuits to guarantee

  • 1000V channel-to-channel galvanic isolation for signal protection;

  • Anytime auto-calibration guarantees accuracy;

  • Automatic linearization of B, E, J, K, N, R, S, and T type standard thermocouples;

  • Simultaneous throughput across all channels at rates up to 10Hz/channel; and

  • Compact, rugged 2U rack-mountable enclosure.

Temppoint application software reportedly enables customers to engage the full functionality of the device. The application is complete with a chart recorder to view and analyze up to 48 channels as well as export directly to Microsoft Excel. The channel overview provides a digital readout of all the channels in one window. Post analysis, zoom and print functions are provided in the file viewer. Setting limits and controlling external events are also included in this turnkey application.

Pricing depends on number of channels (8-48), sensor input type (thermocouple or RTD), and output interface (USB or Ethernet).

—Edited by Peter Welander, process industries editor, PWelander@cfemedia.com ,
Control Engineering Process Instrumentation & Sensors Monthly
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