LogTag TRIX-8 Temperature Data Recorder

  • -40°C to 85°C Temperature Measurement Range with ±0.5°C Accuracy
  • 2 to 3 Year Battery Life @ 25 Minute Sampling Interval
  • Customizable Alarm Settings and LED Indicators
  • Designed with FDA 21 CFR Part 11 Digital Signatures
Requires USB Docking Station (LTI-HID). Software Available as a Free Download
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Overview of the LogTag Trix-8 Temperature Data Recorder

This multi-trip LogTag temperature recorder can accurately measure over a high range (-40 to 185 degrees Fahrenheit). It provides high-resolution readings and is highly versatile. It's housed in an extremely durable polycarbonate case and has a real-time clock for temperature readings with date/time stamps. Features include up to 3 years of battery life, customizable alarms and a lightning-fast download time.

LogTag Trix-8 Temperature Data Recorder Specifications

Temperature Measurement Range: -40°C to 85°C
Accuracy @ ±0.5°C: -20°C to +40°C
Accuracy @ ±0.7°C: -30°C to -20°C; +40°C to +60°C
Accuracy @ ±0.8°C: 60°C to 85°C
Accuracy @ ±0.9°C: -40°C to -30°C
Resolution < 0.1°C: -40°C to 40°C 0.2°C (40°C to 80°C)
Resolution < 0.2°C: 40°C to 80°C
Resolution < 0.4°C: 80°C to 85°C
Sensor Reaction Time Typically less than 5 minutes (T90) in moving air.
Data Storage Capacity 8000 Readings (16000 bytes Memory)
Sampling Frequency 30 Seconds to 18 Hours
Recording indication Can be configured to flash when preset conditions are encountered.
Download Time Typically with full memory (8000 readings) in less than 5 secs depending on computer or readout device used.
Standards Compliance IP65 ( Protected against dust and low pressure jets of water, similar to NEMA 13 rating )
Power Source 3 Volt Lithium Battery - Non-Replaceable
Battery Life Typically 2 to 3 Years of Normal Use @ 15 Minute Sampling Interval and Monthly Data Downloads
OS Compatibility Windows 10, 8 and 7 (64-Bit and 32-Bit) Compatible
Case Material Polycarbonate
Standards Compliance EC EMC directives (EN 50081-1:1992 & EN 61000-6-1:2001), FCC Part 15 Subparts A and B, EN12830:1999 for transport, storage and distribution of chilled, frozen, deep frozen, quick-frozen food and others.
Weight 35g
Dimensions 86mm x 54.5mm x 8.6mm (3.39" x 2.14" x 0.33")
User Manuals and Product Guides
Software Downloads
(Size: 73.32 MB)
Version 3.2.1
(Size: 45.92 MB)
Version 2.9.11 - Legacy Software for Existing Users
Application Notes
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Customer Questions
The specs say it's a non-replaceable battery. Is it rechargeable? If so, does it come with a charger?

The logger does not have a rechargeable battery.  The battery in the logger is rated at 2-3 years under normal use.  Once the battery dies you must replace the logger.

Does it convert to Fahrenheit??

Yes, you can choose what temperature scale you want to view the data in while setting up the logger in the software. 

How do you determine the calibration point temperature? We would be using these to monitor temperature in a bat house in coastal california. The temp ranges from about 35F to 95F, but it's mostly in the 50's - 70's year round.

Great question!  We get asked this quite often.  The calibration point is simply the temperature at which we validate (or test) the accuracy of the logger.  One common misconception is that the calibration is required or else the logger won't be accurate.  The reality is that for most of the loggers we sell this is not the case and both calibrated and uncalibrated loggers will give you the same accuracy.  The calibration is more of a validation which gives you documentation showing that the individual logger (by serial number) you purchase was tested and found to be in compliance with the accuracy stated by the manufacturer.  In simple terms it's proof that the logger was tested and found accurate if ever anyone was to question your data.  Now to get to your question - we generally recommend to our customers that if you are only going to pick a single point to choose something in the middle of the range you expect to be monitoring.  If you choose a 2-point calibration choose a low and high point and  for critical applications you might choose a 3-point calibration where you pick a low, mid, and high temp point to test at.  While only you can pick the calibration point, based on the range you mentioned I would suggest you consider picking 20°c or 25°c  as it’s close to the middle of your overall range.

Is there some kind of alert to when the battery is getting low. I wouldn't want it to die and loose all my logged temps.

There is no battery alarm while the logger is in use however if you attempt to launch the logger and there is less than 20% battery life remaining the software will warn you to replace the logger. 

How many probes does it have ? Can I measure 40 temperature points simultaneously and save it ?

This logger has a single internal temperature sensor.  It does not have nor is able to accept external probes.  LogTag does make a logger called the TREX-8 which uses a single external probe. 

Will downloading everyday effect battery life? Also, I want to hang the recorder in back of truck -trailer in plastic sleeve is this OK for this type of recorder ?

The frequency at which you download the data at will affect the battery life of the logger.  It's tough to say by how much exactly as there are many other variables that affect the battery life of the logger.  Generally speaking we find that most customers get 2 -3 years of use out of them.

You could use this logger on the back of a truck using a bag to protect it from moisture.  You would just want to be sure that it wasn't located where road debris might impact the logger and damage it or penetrate the bag allowing moisture in.  While occasional spray won't damage the logger it's not designed for long term exposure to moisture.  If you plan to use the logger primarily outdoors we might suggest you consider something that is waterproof.

Can it be used outdoors?

This logger is designed to be used indoors only.  If you use it outdoors you will need to protect it so that it is not exposed to condensing moisture. 

What is the accuracy of the clock on the Trix-8 and the Trix-16?

The clock accuracy on the TRIX-8 & TRIX-16 is ±25ppm @ 25°C (equivalent to 2.5 seconds/day).

Can the data logger be switched off then reused at another time days / weeks / months later in the 2 -3 year period

Yes, the logger can be stopped and then reused at another time as long as the battery life is sufficient.  If you know you won't be using it for a while you can put the logger in hibernation mode.  This will greatly reduce the power drain on the battery while it is not in use.  There is no way to completely shut off the logger so it's using no power however it is minimal if you hibernate it before storage.  We have some loggers there that are still working well over the 3 year mark using this method but please keep in mind we can't guaranty the battery life of the logger as it does vary from logger to logger.  

Is the device capable of sending remote alarms?

No.  The TRIX-8 does have an alarm function but it is only a visual alarm indicator on the logger itself.  The software will also note any alarms that happened in the data but there is no remote notification function available with this product. 

Will it download to a Apple product?

No, the LogTag software is only compatible with Windows.  If you would like a logger to use on Mac OS I would suggest you look at temperature loggers from Onset or Senonics, both of which offer versions of their software for Mac OS.



Is the software compatible with Windows 10?

Yes, it will work with Windows10. 

What are the specifications on the software?

 LogTag® Analyzer software provides an easy to use, powerful platform for configuring any LogTag® recorder product before deployment and for data analysis when the recorder is retrieved.

 Optional automatic download of data when a new LogTag® is inserted into an interface, with quick-reconfiguration using same parameters.

 LogTag® Analyzer is compatible with Windows 10 (32 & 64bit), Windows 8 (32 & 64bit) and Windows 7 (32 & 64bit) Network Administrator Installation files and documentation available for easy deployment in server environments.

 Here is a link to where you can view the manual for the software - https://www.microdaq.com/downloads/dl/file/id/687/product/713/logtag_analyser_software_user_manual.pdf

Can we buy Tag only.. We have a usb docking station already.

Yes, when you use the "add to cart" button for this product you are only purchasing the logger itself.  It will work in your existing docking station although depending on how old your software is you may have to update it for it to work properly.  We always recommend updating to the latest software version as they become available.  You can do this from your existing software by choosing "help" and then "check internet for update". 

What is the difference between TRIX-8 and TRIX-16 data loggers?

The only difference between the two versions is that the TRIX-8 has enough internal memory to store 8k readings while the TRIX-16 can store just over 16k readings.

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