LogTag UTRED-16 Product User Manual Download

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Appendix 1 - Accuracy and Resolution

UTRED-16 User Guide

Appendix 1 - Accuracy and Resolution

Temperature Accuracy

The following graph shows the typical rated temperature accuracy of a UTRED-16:

Figure 10:

Rated Temperature Accuracy Chart

Temperature Resolution

The following graph shows the typical rated native temperature resolution of a UTRED-16:

Figure 11:

Rated Temperature Resolution Chart

Summary of Contents for UTRED-16

Page 1: ...agrecorders com UTRED 16 USB PDF Temperature Recorder with Remote Probe and Display LogTag Recorders Product User Guide Document Release Version 1 0 Published 25 March 2020 Copyright 2004 2020 LogTag Recorders ...

Page 2: ...ced Configuration Settings 13 Alarm Configuration Options 14 Finalizing the configuration 16 Display Overview 17 Operating the Logger 19 After the Logger is configured 19 Adding the Probe 20 Starting the Logger 20 During Recording 22 Stopping the UTRED 16 33 Plugging the UTRED 16 into a USB port 35 Accessing the files 36 Interpreting the Data 37 Data Evaluation Report with multiple alarms 37 Data ...

Page 3: ...d use of the device l for any problems with refrigeration units l for the bad quality of the monitored goods if any l for incorrect readings if the device was used with a low battery l for consequential loss Battery Life The main battery in the UTRED 16 is designed to power the device for up to 24 months of operation provided l the device was not stored for more than 2 years prior to activation l ...

Page 4: ...his font describes features of the product This text describes certain aspects of the product where incorrect use of a feature may lead to inadvertent loss of data This text contains important information for the correct operation of your UTRED 16 This text contains information that explains some aspects of a feature in more detail This text contains tips that help you get the best out of your UTR...

Page 5: ...d using LogTag Analyzer and is then placed with the goods to be monitored At the destination the UTRED 16 can be plugged straight into a computer s USB port and generates a PDF file which can be accessed using PDF software such as Acrobat Reader Features The UTRED 16 USB PDF temperature logger features the familiar LogTag case layout with an additional USB plug at the bottom Case l Mounting lug fo...

Page 6: ...probe from the ST100 product range PDF The UTRED 16 will generate a detailed PDF report when plugged into a USB port of a PC The PDF report shows a summary of the trip presents the data in chart and list format A CSV file of the data list is also available The PDF can be shown in several different languages l English l French l German l Russian l Spanish The default ex factory language is English ...

Page 7: ... you want the UTRED 16 to generate when plugged into a USB port If you wish to configure UTRED 16 products you will need to download the LogTag Analyzer software from LogTag s web site at https logtagrecorders com software lta3 download Follow the instructions to install and start the software If you only plan to view a report plug the UTRED 16 into a computer s USB port Depending on the settings ...

Page 8: ...an LTD file LTD files are LogTag Analyzer s native encrypted data files You can open this file in LogTag Analyzer where you can analyze data in detail generate report files or combine data from multiple recorders for comparison You can also download data directly into LogTag Analyzer without accessing the logger s on board files ...

Page 9: ...alyze the data Things to do before you start logging 1 Download and install the latest version of LogTag Analyzer 3 You can do this from the LogTag Recorders Software Download page 2 Configure the unit using LogTag Analyzer 3 Connect a probe and place the unit in the monitoring location 4 Start the logger Things to do while recording data 5 Clear an active alarm 6 Review Minimum and Maximum values...

Page 10: ... Review button The logger is already configured to start If your logger is configured to start it will show either if the logger was pre configured for a push button start or if the logger was pre configured for a Date Time start If your logger shows one of these screens you may skip the configuration process The logger is unconfigured An unconfigured UTRED 16 logger is delivered to you hibernated...

Page 11: ... using a powered USB hub It is not possible to configure different models at the same time l Click Configure from the LogTag menu LogTag Analyzer will display the configuration options for connected loggers l Remove the protective cap from the logger s USB connector plug it into a USB socket on your computer and wait for the drivers to be installed5 Standard Configuration Options The standard conf...

Page 12: ...t readings are being taken pre start readings will not appear in the PDF file after the logger was started and no PDF file will be generated if only pre start readings are present in the logger Using pre start readings is a good way to avoid data loss if you forget to start the unit as you can still access the data using LogTag Analyzer Start delay If you configure the UTRED 16 to start after a de...

Page 13: ...values l setting the language Parameters specifically influencing the appearance of the PDF file are l scaling parameters for the chart l showing or hiding grid lines l showing or hiding alarm threshold lines l generating the data list For detailed information about each parameter please read the section about Configuring a LogTag for logging in LogTag Analyzer s User Guide or press F1 for help Th...

Page 14: ...w button l allowing the user to reset the logger with the START Mark button For detailed information about each parameter please read the section about Configuring a LogTag for logging in LogTag Analyzer s User Guide or press F1 for help Alarm Configuration Options LogTag Analyzer allows up to 6 different alarm trigger conditions for temperature when configuring a UTRED 16 for recording depending ...

Page 15: ...different number of upper and lower conditions or only upper or only lower conditions or none at all l A secondary upper alarm cannot be entered with a lower threshold value than the primary upper alarm l A tertiary upper alarm cannot be entered with a lower threshold value than the secondary alarm Threshold values can however be equal and combined with different time to activation values For exam...

Page 16: ...ure to upload the configuration data to the UTRED 16 When the configuration is complete unplug the UTRED 16 from the USB socket and replace the protective cap If you wish to configure more UTRED 16 units with the same configuration insert the next loggers into USB sockets wait until they are ready for configuration and click Repeat Configure Alternatively you can use the Profile function to config...

Page 17: ...l defined during configuration l If is shown together with the word PAUSED the product is also recording but the recorded values are not taken into account when calculating alarm events and durations l If the word STOPPED is shown the UTRED 16 has finished recording temperature data Mark indicator The word MARK is shown when the next temperature reading is identified with an inspection mark in the...

Page 18: ...rrow is shown when the temperature displayed i e last recorded is above the specified upper temperature threshold The down arrow is shown when the temperature displayed is below the specified lower temperature threshold The four smaller up down arrows are secondary and tertiary alarm symbols They are used when more than one upper or more than one lower alarm is defined and are shown then the curre...

Page 19: ... additional configuration options have been set such as start delay or pre start readings Date and Time Start The logger can also be configured to start at a specific time and date You will see the letters dt St instead of the clock Pre start readings and start delay options are not available for a date time start Low Battery If at any time during the operation the logger has a low battery the low...

Page 20: ...This start option works very similar to other LogTag LED products Push button start quickstart disabled Press and hold the START Mark button READY immediately disappears and the symbol blinks for 4 seconds The symbol then shows permanently for 2 seconds If you release the button during this time the logger starts taking temperature readings The symbol remains shown If the button is released earlie...

Page 21: ... Mark button during the start delay phase the start delay value is reset to its originally configured value Automatic date time start If you configured the UTRED 16 for a date time start dtSt will be displayed instead of the clock The logger will record temperature values as soon as the configured date and time have passed If the logger is still plugged into a USB port when the start time passes t...

Page 22: ...bol is displayed when the most recent temperature recorded is above the primary upper alarm threshold but below the secondary above the secondary upper alarm threshold but below the tertiary above the tertiary upper alarm threshold below the primary lower alarm threshold but above the secondary below the secondary lower alarm threshold but above the tertiary below the tertiary lower alarm threshol...

Page 23: ...st recent temperature recorded which you see on the display 18 8 C was above the secondary threshold To identify which of the alarm conditions caused the alarm event you will need to review the data on screen as described in Reviewing Alarms on the next page or open the PDF file on your PC Marking a reading with an inspection mark When you press the button while the UTRED 16 is recording the next ...

Page 24: ... already stopped but not when it is plugged into a USB port After each subsequent press of STOP Review the next review screen is shown The number of screens available for review depends on the number of configured alarms and whether or not the alarm review screens have been enabled If no alarms are configured or the alarm review screens are disabled only the MIN and MAX screens appear Figure 5 Rev...

Page 25: ...e configured and the alarm review screens are enabled which is the maximum 8 screens will appear Figure 6 Review cycle with all alarms enabled You can terminate the review at any time by pressing START Mark or by waiting 30 seconds without pressing any button ...

Page 26: ... above or below one of the alarm thresholds the corresponding alarm marker is also shown Here the minimum was below the tertiary threshold If the alarm review screens are enabled the next screens show the enabled alarm threshold values in descending order starting with the upper most alarm threshold Up to six screens will be shown depending on how many alarms were enabled during configuration 1 In...

Page 27: ...the temperature was above 8 C for 1 day 8 hours and 35 minutes If the duration is longer than 24 hours the display will alternate between showing days and hours 4 The primary lower alarm is shown next indicated by the alarm threshold marker shown without any small alarm arrows In this example the temperature was lower than the primary threshold for 1 hour and 20 minutes 5 The secondary lower alarm...

Page 28: ...ogger UTRED 16 User Guide 28 6 The tertiary lower alarm is shown next indicated by the alarm threshold marker shown with two small alarm arrows In this example the temperature was not lower than the tertiary threshold ...

Page 29: ...ess STOP Review again to display the trip minimum temperature value You can only complete the next steps if you are viewing the Minimum temperature screen l Press and hold STOP Review After 1 second the following screen sequence will show and then repeat once l After approx seconds following screen will show Release the STOP Review button when the screens no longer alternate The values will be res...

Page 30: ...ot be able to review previous min max values on screen once they have been cleared Clearing an Alarm A UTRED 16 can be configured so you can clear an alarm from the display To do this press and hold the STOP Review button After 2 seconds the alarm will be cleared and the will change to a If you keep holding the button for a further 2 seconds the will show again and the alarm will not be cleared An...

Page 31: ... set in the Advanced Settings tab during configuration with LogTag Analyzer and is expressed in number of readings after the last button press Paused readings are specially marked in the graph and data listings How long PAUSED is displayed depends on when between readings you press the button It will show longer if the button is pressed just after the logger takes a reading but shorter if you pres...

Page 32: ...robe is disconnected The display shows instead of a temperature value if the logger s external temperature probe is disconnected Any values recorded during this time will not be taken into account when calculating statistics values or alarms If for example the temperature was above 10 C for 12 hours which would normally trigger an alarm event but the probe was disconnected for 3 hours during this ...

Page 33: ...d the button The STOPPED symbol shows in addition to for 2 seconds The symbol turns off after 2 seconds Release the button and the logger stops taking temperature readings If the button is released while is still on or you wait until STOPPED disappears the display shows again and the logger continues to record data In this case an inspection mark will be recorded in the data against the next tempe...

Page 34: ...ata has been saved All settings in the logger are retained For this process to work the logger must be STOPPED Press and hold the START Mark button The READY symbol will turn on When the STOPPED symbol turns off release the button within 2 seconds The logger is now ready to be started again If the button is released while STOPPED is still on or you wait until the READY symbol disappears the displa...

Page 35: ...What happens on your computer depends on the operating system of the computer the settings made during configuration and whether or not LogTag Analyzer is running Microsoft Windows Up to four drivers will now be installed depending on the UTRED 16 s configuration All drivers are part of the operating system and will typically not require administrator privileges for your computer 1 Mass Storage De...

Page 36: ...d from the serial number of the UTRED 16 You can access the files by browsing to the newly created drive and double clicking the PDF CSV or LTD files For PDF files you need Adobe Acrobat Reader or a similar PDF viewer To open the LTD file you need to install the free LogTag Analyzer software CSV files can be opened with a text editor or imported into a spreadsheet program such as Microsoft Excel I...

Page 37: ... Report with multiple alarms Alarm Status This shows at a glance if the UTRED 16 recorded alarm conditions during the trip showing a red or if no alarms were recorded showing a green Recorded Data Overview This section shows at what time the logger started to record data when it finished how many readings were recorded and how long that took ...

Page 38: ...s you set the parameters that influence how the chart is presented Legend Shows the symbols for download marks inspections marks and paused marks if they appear in the readings File Information This section shows general information about the PDF file such as generation time date and time formats used in the chart and the data list as well as the file name which is compiled from information about ...

Page 39: ...y see up to three alarms for each direction depending on the logger s configuration Upper Threshold Lines Upper alarm thresholds are shown with red dashed lines so you can see at a glance where temperatures went above set limits You may see up to three lines depending on configuration and zoom settings Lower Threshold Lines Lower alarm thresholds are shown with blue dashed lines so you can see at ...

Page 40: ...data list as well as the file name which is compiled from information about the data it contains LogTag_ serial_number _ trip number _ file creation date _file creation time _ OK or ALM pdf Other files that may be generated have the extensions csv and ltd Recorded Data list The Data list shows a single row for each recorded reading along with the date time and temperature values plus any special e...

Page 41: ...aused as a result of a button press l A symbol will be shown where the logger was plugged into a USB port at the time it would otherwise have taken a reading l A symbol will be shown when the min max readings were reset USB Paused Readings USB loggers cannot take a reading while plugged into a USB port A gap is shown in the graph where the UTRED 16 was plugged in at the time it would otherwise hav...

Page 42: ... values l Alarm duration values Memory type Non volatile Sampling Interval Configurable from 30 seconds to 18 hours Start options l Push button start with optional configurable start delay from 1 minute to 72 hours l Date time start Alarm functions l three configurable upper alarms l three configurable lower alarms l OK tick and Alarm cross on display linked to alarms Vibration Withstands vibratio...

Page 43: ...ically less than 10 seconds from time of insertion to availability of LTD file in LogTag Analyzer if configured Software requirements l LogTag Analyzer version 3 1r9 or later to configure and download l PDF reader software to access on board PDF files USB compatibility USB 2 0 type A plug Accessories l Glycol Bottle l Replacement protective cap 200 000425 l Probe extension lead STX 50 ...

Page 44: ...mperature Accuracy The following graph shows the typical rated temperature accuracy of a UTRED 16 Figure 10 Rated Temperature Accuracy Chart Temperature Resolution The following graph shows the typical rated native temperature resolution of a UTRED 16 Figure 11 Rated Temperature Resolution Chart ...

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