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TRH Data Loggers

1

Copyright © 2010 ACR Systems Inc. All Rights Reserved.

SECTION 1 TRH Data Loggers

1.1

Introduction to TRH

The TRH-1000 data logger is an easy-to-use, battery-powered data logger. Pocket-sized and

rugged, it can be used in a wide range of environmental and industrial applications. The

TRH-1000 is available to directly measure and record temperature and relative humidity

variables. It can reliably record time-based data for later analysis by TrendReadersoftware.

[****]

TrendReader software must be installed and ready to run prior to making use of the setup

instructions in this section of the guide.

1.1.1

Features

TRH-1000 data logger features make them a useful tool for data collection:

·

Pocket-sized

·

Solid-state components - no moving parts

·

Low-power microprocessor controlled circuitry

·

8-bit resolution readings

·

High capacity lithium battery

·

Quartz clock crystal

·

Magnetic backing and secure locking hole

·

Rugged die-cast Cycoloy® case

1.1.2

Description

TRH-1000 loggers can run continuously, constantly measuring and recording readings from

both channels. 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.

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Содержание TRH-1000

Страница 1: ...Copyright 2010 ACR Systems Inc All Rights Reserved Reference Guide IMPORTANT TRH Data Loggers Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

Страница 2: ...he author make no claim to these trademarks 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 In no event shall the publisher and the author be lia...

Страница 3: ...TrendReader is a Registered Trademark of ACR Systems Inc TRADEMARK NOTICES ...

Страница 4: ... There will however be a charge for freight and Canadian Customs clearance if applicable Any replacement hardware or software will be warranted for the remainder of the original warranty period To the maximum extent permitted by applicable laws ACR Systems Inc disclaims all other warranties either expressed or implied including but not limited to implied warranties of fitness for a particular appl...

Страница 5: ...Use TRH Loggers 5 Specifications 6 Product Approvals 7 2 TRH Software Driver 7 Logger Status 7 Logger Sampling 8 Logger Memory 10 Logger Channels 10 Channel Information 11 Channel Calibration 12 3 TRH 1000 Temperature Relative Humidity Logger 12 Description 12 Setup 13 Troubleshooting 13 Relative Humidity Calibration 14 4 APPENDIX A TRH 1000 Sample Rates 14 How a Data Logger Stores Readings 14 Sam...

Страница 6: ... frequently refers to TrendReader Standard conventions and procedures To get the most from your logger please take time to familiarize yourself with TrendReader Standard and its Reference Guide 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 y...

Страница 7: ... Features TRH 1000 data logger features make them a useful tool for data collection Pocket sized Solid state components no moving parts Low power microprocessor controlled circuitry 8 bit resolution readings High capacity lithium battery Quartz clock crystal Magnetic backing and secure locking hole Rugged die cast Cycoloy case 1 1 2 Description TRH 1000 loggers can run continuously constantly meas...

Страница 8: ...ata 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 Thus the memory will contain a sliding window of information 2 Stop when Full The logger stops recording when its memory is full You can set the time...

Страница 9: ... software installed and running on your computer You can then configure your logger with various options by talking to it via the interface cable Set Sample Rate Always confirm the sample rate how often the logger saves readings to make sure it will be acceptable for your application You can alter the frequency at which your TRH 1000 logger records readings by changing the sample rate You can choo...

Страница 10: ...ns are not adequate for the logger consider using a protective enclosure For humid conditions you can protect your logger simply by placing it in a zip lock plastic bag Note that covering the logger may affect the relative humidity readings When you place your TRH 1000 logger in a cold environment make sure condensation will not settle on the logger when you bring it back into warmer surroundings ...

Страница 11: ... per channel Memory Usage 1 Continuous First in First out 2 Stop when full Fill then stop Sample Intervals User selectable rates from every 8 seconds to 34 minutes Sampling Mode 1 Average over sample interval except for 8 second interval 2 Spot Resolution 8 bit 1 part in 256 Internal Temperature Sensor Type CMOSens by Sensiron Range 40 to 70 C 40 to 158 F Accuracy 0 6 C 25 C 1 0 F 77 F 2 0 C from ...

Страница 12: ... TRH 1000 Relative Humidity in TrendReader software Specifications are subject to change without notice 1 1 7 Product Approvals Certified to CE standard EN61326 1977 A1 1998 European Emissions and Immunity covering 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 Cl...

Страница 13: ...er s memory and start a new logging session with the existing or new parameters select Edit Setup from TrendReader In the Edit Logger Setup window make any necessary changes To implement your changes you can either click on Apply or OK OK will implement the changes and close the window whereas Apply will leave the window open thereby allowing you to make changes in other features 1 2 1 Logger Stat...

Страница 14: ...ndicates how the data is stored in memory and what the start and end times or capacity are for the data logging In the FIFO First In First Out mode the logger continually stores data and when the memory limit is reached the new readings start to overwrite the oldest readings In this method the logger is always collecting data but only saves the most recent data in its memory In the Stop When Full ...

Страница 15: ...utton that appears at the right This will pop up a form allowing you to set the date and time Highlight the date or time and enter the appropriate value You can also click on the drop down list arrow to bring up a calendar You can set the logger s starting time for just over 65535 8 seconds 6 days 1 hour 38 minutes ahead of the current time Note that the start time will default to the closest time...

Страница 16: ...an use built in equations or you can create your own custom equations See Equations in the TrendReader guide for further information To set the equation click on the Equation field and select the equation from the drop down list To help you select the proper equation the Realtime value using the currently selected equation is shown Some channels compensate their output by using the value of anothe...

Страница 17: ...e logger in order to make the output more accurate 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 Note that the calibration values are based on 255 increments between 5 and 5 the field will default to the closest value of what is entered E g 4...

Страница 18: ...endReader software No cables wires or accessories are required making the TRH 1000 the ideal data logger for quick and accurate temperature and humidity measurements in a variety of applications 1 3 2 Setup Once the logger is connected to your computer select the communications port in TrendReader and click Scan For Loggers Channel Description Equation 0 Internal Temperature 91 1 Relative Humidity...

Страница 19: ...mperature and RH levels may vary dramatically from location to location Such factors as air stratification drafts and proximity to heat or humidity sources people equipment moisture solar gain etc can contribute to a wide variance in conditions even within a small confined area The individual sensors associated with your TRH 1000 measure and record temperature and RH only in one location They do n...

Страница 20: ...ates the average of the fifteen readings and stores that average in its memory Otherwise if the sampling mode is set to Spot the logger still takes readings every 8 seconds but only stores the reading taken at the selected interval 1 4 2 Sample Rate Table The following tables list the maximum time spans over which your TRH 1000 will record readings The time spans depend on the length of the sample...

Страница 21: ...Data Loggers 15 Copyright 2010 ACR Systems Inc All Rights Reserved 32 sec 0 12 2 8 0 56 sec 0 21 3 44 0 2 min 0 45 8 0 0 4 min 56 sec 0 111 19 44 0 10 min 0 226 16 0 0 20 min 1 87 36 0 0 30 min 1 315 0 0 0 ...

Страница 22: ... 1 Approvals 6 Channel Calibration 11 Channel Information 10 Channels 10 Description 1 Features 1 How to Use 3 Memory 8 Operation 2 Readings 2 Sampling 7 Setup 7 Software 7 Specifications 5 Status 7 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 ...

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