` TREL-8 Multi Use Low Temp Logger With External Probe - Alpha Controls & Instrumentation Inc.

LogTag Recorders

TREL-8 Multi Use Low Temp Logger With External Probe

Measures and stores up to 8000 temperature readings over -80C to +40C (-112F to +104F) with remote probe

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The TREL-8 Low Temperature Remote Probe Recorder measures and stores up to 8000 temperature readings over -80°C to +40°C (-112°F to +104°F) measurement range from associated interchangeable LogTag® ST10 type remote probe temperature sensor (available in lengths up to 3 meters (9’10”).

It is intended for use in monitoring of articles stored at low temperatures such as in dry ice type environments. Using the LogTag® Interface Cradle and LogTag’s freely available companion software LogTag® Analyzer.

TREL-8 is easily configured for recording conditions including delayed start, sampling interval, number of readings and configuration of conditions to activate the ALERT indicator. Readings are downloaded using LogTag® Analyzer which provides facilities for charting, zooming, listing data statistics and allows exporting the data to other applications such as


• Records temperature from +40°C to as low as -80°C
• A real time clock provides date/time stamps for each temperature reading.
• Push-to-start button with optional delay or a specific time & date.
• Comprehensive customisation options including alert settings, sample interval and trip duration.
• Up to 8,000 recordings - enough for the longest trip.
• In-transit inspections can be recorded at the push of a button.

Sensor Measurement Range -80C to +40C (-112F to +104F)
Operating Temperature Range -20C to +40C (-4F to +104F)
Storage Temperature Range -10C to +55C (14F to +131F)
Rated Temperature Reading Accuracy With the logger case sitting in an environmental temperature between 0C and 50C: Better than 1C for -30C to +20C
Better than 1.2C for -45C to -30C and +20C to +40C
Better than 1.7C for -80C to -45C
Rated Temperature Reading Resolution Less than 0.1C for -80C to 0C.
Less than 0.2C for 0C to +20C.
Less than 0.5C for +20C to +40C
Sensor Reaction Time Typically less than 2 minutes (T90) in moving air (1m/s) for ST10S type
Recording Capacity 8032 temperature readings. 53 days @ 10min logging, 80 days @ 15min logging
Sampling Interval Configurable from 1 minute to several hours
Logging Start Options Push button start or specific date & time
Recording Indication Flashing OK' indicator / flashing ALERT' indicator
Download Time Typically less than 5 seconds for full memory (8000 readings), depending on computer or readout device used
Environmental IP61
Power Source 3V LiMg battery
Battery Life 2 to 3 years of normal use (based on 15 minute logging, download data monthly
Real Time Clock Built-in real time clock
Rated accuracy 25ppm @ 25C (equivalent to 2.5 seconds/day)
Rated temperature coefficient is -0.034 0.006ppm/C (I.e typically +/- 0.00294 seconds/day/C)
Size 86mm(H) x 54.5mm(W) x 8.6mm(T)
Weight 35g
Case Material Polycarbonate
All probes are terminated with a high quality gold plated MCX connector & industrial strength PTFE coaxial cable
Normally ships in 1-2 Weeks
Starting At
$38.00 CAD
Provides an easy and tidy solution to mounting a LogTag on a wall, door or vertical surface while still allowing easy removal for download
Normally ships in 1-2 Weeks
Starting At
$10.00 CAD