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DEGREE CONTROLS Cambridge Accusense ATM2400 User Manual

Multi-channel airflow and temperature instrument
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DEGREE CONTROLS Cambridge Accusense ATM2400 User Manual

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Summary of Contents for DEGREE CONTROLS Cambridge Accusense ATM2400

  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 User Manual ATM2400 Multi-Channel Airflow and Temperature Instrument PRELIMINARY RELEASE. SEE DEGREE C WEBSITE FOR THE LATEST VERSION 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 © Copyright 2005 by Degree Controls, Inc. All Rights Reserved. This publication may be reproduced for use of registered users of Degree Controls, Inc. products. For all other purposes reproduction, storage or transmission in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, requires prior permission of Degree Controls, Inc.
  • Page 4 Warranty Information Degree Controls, Inc. products purchased in the USA or Canada are warranted to be free from defects in materials or workmanship for a period of ninety days from the date of their original purchase. If a sensor or instrument fails to perform to this warranty, we will, at our own option and at no cost to the customer, replace or repair it within a reasonable timeframe.
  • Page 5 ATM2400 Table of Contents INTENTIONALLY LEFT BLANK www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 6 Starting Out If you are placing your ATM2400 in service for the first time, Degree Controls, Inc. recommends working through this Manual following the step-by-step instructions provided. If you need additional help at your site as you move through these procedures, contact your regional Degree Controls, Inc.
  • Page 7 Notes are printed in mixed case characters, in normal type, between two heavy horizontal rules, as in this example: NOTE: For details on Degree Controls, Inc. customer service policies, refer to Preface A. www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 8 Dangers,Cautions, and Notes Below are important safety instructions. Please read carefully, and follow all warnings and instructions. Front View DANGER; NEVER INSTALL OR OPERATE DEGREE CONTROLS, INC. INSTRUMENTS AND SENSORS WHILE IN CONTACT WITH WATER. YOU MAY BE ELECTROCUTED! DANGER: DO NOT TRY TO REPAIR AN INSTRUMENT OR SENSOR YOURSELF.
  • Page 9 1.3.1.2 If any damage is found, immediately notify both the carrier and Degree Controls, Inc. on the straight bill of lading (supplied by the carrier), both verbally and in writing; you may also request an inspection by the carrier. Such requests must usually be made within a specified period from date of shipment.
  • Page 10 ATM2400 www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 11 Some applications require more than 36 airflow and air temperature channels; others require surface temperature readings in addition to airflow and air temperature readings. For such cases, multiple ATM2400 instruments can be used simultaneously on one Personal Computer. Degree Controls, Inc.’s AccuTrac 2005 software allows use of multiple instruments or channels.
  • Page 12 ATM2400 www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 13 DO NOT ATTEMPT TO POWER THE INSTRUMENT WITH ANYTHING OTHER THAN THE ORIGINAL POWER SUPPLY. NOTE: If you are using the ATM2400 in countries other than the United States and Canada, you will need a country specific power cord. please contact your Degree Controls representative for more information. Technical Specifications...
  • Page 14 ATM2400 3. Hardware Installation and Initial Power Up On the top of the ATM2400 unit (Figure 36 channels to connect up to 36 Sensors. On the back is the USB connector for linking the system to the USB Port of the Computer. ’...
  • Page 15 ATM2400 www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 16 The XS are arranged parallel to the flow, compared to the Clip-On and Low-Profile Sensors, which are arranged perpendicular to the flow. The standard medium is air at standard pressure (101.3 kPa, 29.95” Hg). For use with other gases, please contact Degree Controls. Altitude compensation is available in the AccuTrac 2005 software package.
  • Page 17 Theory of Operation Degree Controls, Inc. uses thermal anemometer technology for its airflow sensors. As illustrated in Fig. 3-6, a typical UAS sensor has two thermistors (thermal resistor) mounted to each sensor. The smaller thermistor (or “bead”) measures airflow while...
  • Page 18 Fig. 4.5.1 shows the acceptance angle of the Low Profile and Plastic Case airflow sensor heads. For calibration, sensors are installed in the Degree Controls, Inc. wind tunnel perpendicular to the oncoming air stream. The air moves through the two holes in the sensor head (Fig.
  • Page 19 Fig. 4.5.2 Airflow acceptance angle as recommended by Degree Controls, Inc. Fig. 4.5.2 shows the airflow acceptance angle as recommended by Degree Controls, Inc.. As long as this angle lies within an imaginary cone with a 90° angle at the tip for Low Profile sensors, and 120° angle for Plastic Case sensors, the error from the acceptance angle will not exceed 2% compared to a reading taken perpendicular to the airflow.
  • Page 20 ATM2400 When air is used to remove heat from electronics enclosures, it is important to know the flow rate. The goal is to achieve the most cooling effect with as little air as possible. Pumping enough air through the system to ensure an acceptable temperature even under worst conditions, but at the same time keeping flow rates down to avoid acoustic noise requires careful planning.
  • Page 21 Fig. 4.7 Degree Controls, Inc.’s 2-sensor approach There are different ways to do this. Degree Controls, Inc. uses two separate sensors for airflow and temperature (Fig. 4.7). The temperature sensing thermistor and the airflow sensing thermistor are mounted in close proximity to one another. Airflow and temperature signals are sampled virtually simultaneously, and read into the system.
  • Page 22 ATM2400 The Cambridge AccuSense UTS1000 are thermocouple sensors for use with the ATM2400 Measurement System. The ATM2400 data hub holds up to 36 UTS1000 sensors. Now, users of the ATM2400 can obtain thermocouple measurements as well as airflow measurements (see UAS1000 Series) with one instrument. General Information With a measurement range of –50°C to 250°C and an accuracy of ±1°C, the UTS Series has a 30 AWG thickness and T type thermocouple.
  • Page 23 ATM2400 K(+) Ni-Cr Yellow Brown Red Yellow T(-) Ni-Al Blue Green White Purple T(+) Blue White Yellow T(-) Cu-Ni Blue Brown White Blue Table 5.3: Color coding of lead wires of thermocouple types T-type thermocouples should not be used above 400°C or where moisture is present, because copper oxidizes quickly. K-type is more resistant against oxidation (important only above 400°C).
  • Page 24 ATM2400 www.degreeC.com 50600MN000-Z01 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 25 There are two methods of software installation: From the CD included with your product shipment or from the Degree Controls, Inc. website. NOTE: Degree Controls, Inc. regularly updates its software. To ensure that you have the latest revision, visit the Degree Controls, Inc. web site http://www.DegreeC.com,...
  • Page 26 USB hub. Attempt to reconnect the sensor to the hub, or to a different port, to verify that the issue is not a bad connection. Any other issues with sensors will require the sensors to be returned to Degree Controls, for repair. Please contact your Degree Controls representative.
  • Page 27 Accutrac will not log data from the device. It is not recommended to connect non-Degree Controls devices to the ATM2400 hub. 6.8.8 If Accutrac hangs during operation, you will need to remove the executable from the Windows Task Manager, and restart the application.
  • Page 28 ATM2400 6.10.3 Save As: Saves the current spreadsheet to disk under a user assignable name and directory. Print: Allows the user to print the current spreadsheet or chart as displayed. 6.10.4 Exit: Closes Accutrac. 6.11 View Menu 6.11.1 Normal View: Allows you to view the spreadsheet in normal mode. 6.11.2 Zoom View: Allows you to zoom in on the spreadsheet view.
  • Page 29 ATM2400 6.13.3 Click OK to save your settings. Click Cancel to exit the Preferences Screen, or hit RESET to reset the pressure and humidity settings to the default settings (1013.32 inHg, and 0.00% RH). Modes Tab 6.13.4 The Modes Tab allows you to change the method of data collection. The following options are available: 6.13.5 Start and run until Stop: Allows you to control start and stop of data collection with the “On”...

  • Page 30: Maintenance And Troubleshooting

    Chapter 7 provides the maintenance procedures applicable to the Cambridge Accusense ATM2400 Series. In addition, a list of “Frequently Asked Questions” contains diagnostic and corrective information about common system problems. Before calling Degree Controls, Inc. for service, you may find answers to your questions in this Manual, or on the Degree Controls, Inc. web site.
  • Page 31 ATM2400 Q: What do I do when I get an error message in Windows saying that the Cambridge Accusense ATM2400 Sensor Device has exceeded the current limit of it’s hub port? A: Turn off the ATM2400, and shut down Accutrac. Turn the ATM2400 hub back on, and restart Accutrac.
  • Page 32 ATM2400 7.2.2 Cleaning 7.2.2.1 To clean a unit or its cables, use a mild detergent applied to a clean cloth. 7.2.2.2 Do not use alcohol or ammonia based solutions. 7.2.2.3 To clean the sensor-heads, use an ultrasonic bath. CAUTION: Unplug the sensor before putting it into the ultrasonic bath. INDEX INTENTIONALLY LEFT BLANK www.degreeC.com...
  • Page 33 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...