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ACR Systems TRH-1000 Reference Manual

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IMPORTANT!
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
TRH Data Loggers
Reference Guide
Copyright © 2010 ACR Systems Inc. All Rights Reserved.

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  • Page 1 IMPORTANT! Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com TRH Data Loggers Reference Guide Copyright © 2010 ACR Systems Inc. All Rights Reserved.
  • Page 2 For more information regarding trademarks, see the "Trademark Notices" section of this manual. ACR Systems Inc. assumes no responsibility for errors or omissions, or for damages resulting from the use of information contained in this document or from the use of programs and source code that may accompany it.
  • Page 3 TRADEMARK NOTICES TrendReader is a Registered Trademark of ACR Systems Inc.
  • Page 4 LIMITED WARRANTY ACR Systems Inc. warrants the hardware to be free from defects in workmanship and components provided they are not abused or subjected to detrimental conditions. Refer to the warranty information included with your logger for details. Software is warranted for one year from the date of purchase, to operate in accordance with its programmed instructions.

  • Page 5: Table Of Contents

    ............................12 Description ................................Setup ................................Troubleshooting ................................Relative Humidity Calibration ................................4 APPENDIX A TRH-1000 Sample Rates ............................14 How a Data Logger Stores Readings ................................Sample Rate Table ................................Index Copyright © 2010 ACR Systems Inc. All Rights Reserved.
  • Page 6 For important information on how TRH-1000 data loggers work and how to use them, read the Introduction to TRH-1000 chapter. It will give you an overview of how the loggers work and how to configure them for your application. Next, read the chapter that...

  • Page 7: Section I Trh Data Loggers

    They can also start logging at a specified time. Self-powered by a long-life lithium battery that will provide years of reliable operation, your TRH-1000 can work independently from any external power supply or computer. When you are ready to look at the data it has collected, you can transfer all information to your computer through the use of TrendReader software.

  • Page 8: Programmed Operation

    Each TRH-1000 data logger has an on-board temperature and relative humidity sensor that you can use to record ambient temperature and relative humidity. TRH-1000 data loggers can store readings to memory using one of two sampling methods: 1. First-in, First-out (FIFO). In this method the logger continues to take readings when its memory is full (to make room, it discards the oldest reading every time it adds a new one).

  • Page 9: How To Use Trh Loggers

    Test You can directly read the values that your TRH-1000 data logger is sensing using the Realtime capability of TrendReader software. This test gives you the opportunity to check your logger Copyright © 2010 ACR Systems Inc. All Rights Reserved.
  • Page 10 If you are retrieving the logger from the field, bring it back immediately to your computer for analysis. In order to analyze your TRH-1000 logger's data, you must first transfer a backup copy of its data to your computer. To do this, see Backup in the TrendReader guide. After transferring your information to the computer, the data is automatically copied to disk and time and date Copyright ©...

  • Page 11: Specifications

    Other equations for this thermistor type may be selected but will give incorrect results. You may also create your own equations, please refer to the Equations section or contact Customer Service Systems. Copyright © 2010 ACR Systems Inc. All Rights Reserved.

  • Page 12: Product Approvals

    ESD, RFI, EFT /B, Surge, Conducted Immunity, and Voltage Dips and Interruptions Meets FCC standard 47 CFR Part 15, Subpart B: 1999, Class B, (US Radiated and Conducted Emissions) TRH-1001: UL-913 Class-I, Div-1 (intrinsically safe rating) Copyright © 2010 ACR Systems Inc. All Rights Reserved.

  • Page 13: Trh Software Driver

    TRH Data Loggers TRH Software Driver TrendReader software uses a software driver to communicate with TRH-1000 data loggers. The software driver takes the form of two windows. The Status window, shown when you contact the logger, is used to display the settings currently stored in the data logger. The Setup window, shown when you select Edit Setup, is used to alter the current settings and apply the changes to the data logger.

  • Page 14: Logger Memory

    To find out more about how the capacity is affected by the sample rate and active channels, see Appendix A Sample Rates. To set how the logger stores its data, click on the Usage field and select FIFO or Stop When Copyright © 2010 ACR Systems Inc. All Rights Reserved.
  • Page 15 TRH Data Loggers Full. Currently there is no compression method available for TRH-1000 loggers. To set when the logger will start recording click on the Start Time field. Next, click on the small button that appears at the right. This will pop up a form allowing you to set the date and time.

  • Page 16: Logger Channels

    If the logger is backed up the channel will be disabled then changes to the equation can be made in the graph using the Lines Tab in Graph Settings. Copyright © 2010 ACR Systems Inc. All Rights Reserved.

  • Page 17: Channel Calibration

    To set each calibration value, click on the appropriate calibration field and enter the value. The factory equations for the TRH-1000 use the Low and Mid values as offset and span. High and Ext are not used.

  • Page 18: Trh-1000 Temperature & Relative Humidity Logger

    TRH Data Loggers TRH-1000 Temperature & Relative Humidity Logger A self-contained "air-quality" logger, the TRH-1000 can be used easily in a wide variety of applications to collect temperature and relative humidity data. 1.3.1 Description The TRH-1000 is a low-cost, easy-to-use temperature and relative humidity data logger. With its precision calibrated internal temperature and relative humidity sensor, simply place the logger in the field and leave it to record.

  • Page 19: Troubleshooting

    1.3.4 Relative Humidity Calibration If your TRH-1000 is supplied with a calibration certificate it will include calibration values. These calibration values must be entered in and stored in the logger. If your RH sensor is out of calibration check these values against the values in the logger to make sure they are the same.

  • Page 20: Appendix A Trh-1000 Sample Rates

    Minutes and Seconds columns list the time spans over which your logger will record readings at each sample rate. For example, a TRH-1000 using a sample rate of ten minutes will store readings for 226 days and 16 hours. After that time, depending on how it was set up, the logger will either continue to take readings and replace the oldest readings with the new readings (FIFO), or it will stop taking readings (Stop When Full).
  • Page 21 TRH Data Loggers 32 sec. 56 sec. 2 min. 4 min. 56 sec. 10 min. 20 min. 30 min. Copyright © 2010 ACR Systems Inc. All Rights Reserved.

  • Page 22: Index

    Unknown Equation 10 TRH-1000 12 Approvals 6 Data Logger 1 Description 1 Features 1 How to Use 3 Introductions 1 Logger 1 Operation 2 Readings 2 Specifications 5 TRH-1001 Approvals 6 Copyright © 2010 ACR Systems Inc. All Rights Reserved.

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