TREL-8 – Multi-Use with External Probe

Key Features:

Interchangeable External Probe with high quality gold plated connector

Records temperature from +40°C to as low as -80°C

‘OK’ & ‘ALERT’ Indicator with high and low customisable alarms

8000 reading memory capacity

Product Description

The LogTag® low temperature external probe recorder measures and stores up to 8000 temperature readings over a measurement range of -80°C to +40°C (-112°F to +104°F) using interchangeable LogTag® ST10 External Temperature Probes.

Intended for use in monitoring of articles stored at low temperatures such as in dry ice type environments.

Using the LogTag® Interface Cradle and the freely available companion software LogTag® Analyzer, the LogTag® TREL-8 is easily set-up for recording conditions including delayed start, sampling interval, number of readings, continuous or fixed number of readings and configuration of conditions to activate the ‘ALERT’ indicator.

LogTag® Analyzer also provides facilities for charting, zooming, listing data statistics and allows exporting the data to other applications such as MS Excel once the data has been downloaded.

Additional Information



External Sensor Measurement Range

-80°C ~ +40°C (-112°F ~ +104°F)

Recorder Operating Measurement Range

-30°C ~ +70°C (-22°F ~ +158°F)


< than 0.1°C for -80°C ~ +0.0°C < than 0.2°C for -0.0°C ~ +20°C < than 0.5°C for +20°C ~ +40°C (see below)


With recorder case sitting in environmental temperature between 0°C ~ 50°C :- Better than ±1°C for -30°C~ +20°C Better than ±1.2°C for -45°C~ -30°C & +20°C~+40°C Better than ±1.7°C for -80°C~-45°C

Sensor Reaction Time

Typically less than 2 minutes(T90) in moving air (1m/s) for ST10S type


8032 readings (16K bytes memory)

Sampling Frequency

Adjustable, 30 sec to several hours

Logging Start Options

Push button start or specific date & time.

Recording Indication

Flashing ‘OK’ indicator / flashing ‘ALERT’ indicator.

Download Time

Typically with full memory (8000 readings) in less than 5 secs depending on computer or readout device used.



Power Source

3V LiMg battery

Battery Life

2 ~ 3 years of normal use (based on 15 minute logging, download data monthly.





Case Material


External Sensor Cable Type

Standard: 50cm (19””) (Part# ST10S-05) Extended: 3 m (9’10”) (Part# ST10S-30)


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