• New large easy-to-read display.
  • Read Current temperature and latest Min-Max temperature at a glance.
  • Check and reset Min-Max temperature reading at any time.
  • Audible alarm and flashing red LED signals a temperature alarm.
  • View alarm status for up to 30 days at a glance.
  • Powered via a standard plug-in power adaptor and a USB cable.
  • Can be powered by 2x AAA Alkaline batteries (user replaceable) if not external powered.
  • Download data via LogTag Analyzer or as a PDF (no software required).
  • Measure and store up 16, 129 time/temperature readings — enough for 67 days at 6 minute logging.
  • Interchangeable external probe with high quality gold-plated connector.
  • Record inspections at the push of a button.
  • Auto-pause function suspends alarm and statistic processing when the external sensor is unplugged.
  • Second battery backup via a coin cell to ensure no data is lost even if the power source and alkaline batteries fail.
  • Comprehensive customization options including sampling interval and alarm settings.
  • Accessories include a range of external sensor options, wall mount bracket, and glycol buffer.
Additional information

Additional information

Weight 0.08 kg
Dimensions 12.5 × 63 × 123 cm


Product Model UTRED30-16.
Operating Temperature Range -400 C to +990 C. (-40 0 F to 2100 F).
Rated Temperature Resolution 0.1°C OR 0.1°F
Rated Temperature
Reading Accuracy
Better than ±0.50C (±O.90 F) for -200 C to +400 C (-4 0 F to +1040 F), typically ±0.3 0C (0.6 0 F).
Better than ±0.8 0C (±1.40 F) for -400 C to -200 C (-400 F to -40 F), typically ±0.50 C (0.90 F).
Better than ±0.8 0C (±1.40 F) for +400C to +700C (+1040 F to +1580 F), typically ±0.rc (1 .30 F).
Better than ±1.2 0C (±2.20 F) for +700C to +990C (+1580 F to +2100 F), typically o c (1.80 F).
Recording Capacity 16, 129 temperature readings. 67 days at 6 min logging.
Day summary statistics memory (for display on LCD): up to 30 days of Min/Max/duration and alarm trigger statistics.
Sampling Interval Configurable from 30 seconds to 18 hours.
Logging Start Options Push button start (with configurable start delay from 1 minute to 72 hours) or specific date & time.
Download Time Typically with full memory (16,129 readings) in less than 10 seconds.
Environmental IP51 (when vertically mounted or hung with USB dust-cap in place).
Power Source 5V via micro USB socket or, 2 x 1.5V AAA alkaline batteries. CR2032 LiMg coin cell (backup logging function only).
Battery Life Typically 12 months of operation (CR2032). AAA battery also up to 12 months.
Connection Interface USB 2.0 / Micro-USB plug.
Size 123mm(H) x 63mm(W) x 12.5mm(T).
Weight 80g (excluding probe and AAA batteries).
Case Material Polycarbonate.


Interface Cradle

LogTags® unique interface cradle design provides rapid and reliable data transfer to LogTag® Analyzer software in a matter of seconds. By far the fastest in its class. Click here for Interface Cradle details

Protective Enclosure

The LogTag® Protective Enclosure is specifically designed for use with LogTag® recorder products and allows LogTags® to be used in harsh environments. Click here for Protective Enclosure details

Wall Mount Bracket

The LogTag® Wall Mount Bracket provides an easy and tidy solution to mounting a LogTag® on a wall, door or vertical surface while still allowing easy removal of the LogTag® for inspection or download. Click here for Wall Mount Bracket details

Support / Downloads

Support / Downloads


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LogTag® Analyzer Software

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