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Control, DAQ and Calculation--All Using a dataTaker

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Control, DAQ and Calculation--All Using a dataTaker
Control, DAQ and Calculation--All Using a dataTaker
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(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

CAS DataLoggers
12628 Chillicothe Rd., Unit J
Chesterland, OH, 44026
USA



Press release date: October 17, 2012

Series 3 dataTaker Data Logger Saves on Costs

CHESTERLAND OH - A company contacted CAS DataLoggers with a controlled atmosphere environment project as part of pilot testing for a new process. To reduce costs, existing equipment was used wherever possible. The hostile atmosphere produced was found to be incompatible with available humidity sensor technologies, requiring these measurements to be derived in real time using measurements from secondary sensors. The price of logging different sensors and signals would quickly add up with most systems on the market requiring extra modules and software, so the customer wanted a single solution to monitor, control and calculate for the project.

The customer installed a Series 3 dataTaker DT80 intelligent data logger in their flight simulator device, connecting the dataTaker to a refrigerative dehumidifier, multiple relays, and a peroxide dispersal system. The datalogger was compatible with all the necessary sensor types, including H202 sensors, using a 4-20mA output and RTD temperature sensors. The dataTaker also recorded humidity measurements, calculated from wet and dry bulb temperatures.

The dataTaker's universal analog sensor inputs allowed it to connect to all the project's sensors, providing a single solution. If needed, the data logger's analog inputs could easily be expanded using dataTaker channel expansion modules. The stand alone DT80 could scale and log almost any physical value including temperature, voltage, current, 4-20mA loops, resistance, strain gauges, frequency, and more. The logger also featured a robust construction capable of withstanding harsh environments over years of constant use.

By using the DT80's programmable Alarm functions and its digital outputs, users ensured that the initial atmosphere was adjusted to preset temperature and humidity levels. The alarms also operated the relays and solenoids interfaced to heating elements, dehumidifier, and the dispersal system.

Programmed 'interlocks' (Alarms) ensured that each subsequent step was not started until its precursory conditions were met. Once these conditions were attained, the DT80 controlled a relay which activated the dispersal system introducing the nebulized peroxide into the controlled atmosphere.

Conditions and levels were monitored and logged in internal memory. As mentioned, the humidity couldn't be directly measured, so the DT80 calculated this by using known relationships from other measured atmospheric variables. During each trial the data were returned via serial connection to the PC running dEX software for real-time graphing as well as display on a user-friendly mimic screen. The software came built-in with no applications to install, ran directly from a web browser, and could be accessed either locally or remotely anywhere that a TCP/IP connection was available. At the end of each simulated flight run, data was unloaded to a Replay file for further analysis.

The dataTaker DT80 provided the company with a single solution connecting to all the necessary sensor types, measuring at high accuracy onto 10 million data point storage in user-defined memory. The logger's versatile communications ports let users choose the easiest way to access the data, and the free dEX configuration software was easy to learn and navigate. Using the internal calculation abilities of the dataTaker logger, all the measurements were recorded and the data continually monitored. This value was logged for later analysis and simultaneously displayed so users could monitor the process without having to repeatedly connect the dataTaker data logger via computer and download the test results, saving both time and effort.

For more information on the dataTaker DT80 intelligent data logger, additional dataTaker dataloggers featuring remote monitoring capability, or to find the ideal solution for your application-specific needs, contact a CAS Data Logger Applications Specialist at (800) 956-4437 or visit the website at www.DataLoggerInc.com.

Contact Information:
CAS DataLoggers, Inc.
12628 Chillicothe Road
Chesterland, Ohio 44026
(440) 729-2570
(800) 956-4437
sales@dataloggerinc.com
www.dataloggerinc.com
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