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LogTag® USRID-16 Single-use PDF-Logger at a glance

LogTag® USRID-16 Single-use PDF-Logger at a glance


Data logger with integral USB connector. The LogTag® USRID-16 satisfies the growing need for a cost effective and reliable single-use temperature recorder with built-in USB and display.

Product Summary

Designed as a Single-use, cost effective & reliable temperature recorder, the LogTag® USRID-16 measures and stores real time temperature readings over a measurement range of -30 °C to +60 °C.
The USRID-16 combines all the features of an advanced temperature recorder with a 16,000 log memory, with a shelf life of up to two years before configuration (in standard hibernation mode) and a 6-month operating life in a robust and inexpensive package.
The display is designed to show ‘at a glance’ if there has been a temperature excursion.
The USRID-16 plugs directly into the computer USB for easy configuration by the user for a wide range of recording and alert conditions for an upper and lower alarm.
Upon download, it automatically generates a fully detailed PDF report with the option to download the data using the freely available LogTag® Analyzer software for a more detailed analysis.

Product Highlights

  • Suitable for multiple independent receivers, clinical trials and last-mile distribution..
  • Integral USB connector - no separate Interface Cradle required.
  • Easy to read LCD display with large ✔ or ✖ symbol for easy ‘at-a-glance’ inspection.
  • Automatically generates a PDF report - no special software required.
  • Comprehensive customisation options including alert settings, sample interval and trip duration.
  • Automatically generates an encrypted LogTag data file for a more detailed analysis.
  • Up to 16,000 recordings - enough for the longest trip.
  • Push-to-start button with optional delay or a specific time & date.

Technical Specifications

Product Model USRID-16
Sensor Measurement Range -30 °C bis +60 °C
Operating Temperature Range -30 °C bis +60 °C
Storage Temperature Range 0 °C bis +40 °C
Rated Temperature
Reading Accuracy
Better than ±0.5 °C for -5 °C to +30 °C 
±0.8 °C or better for measurements in other areas of rated range
Actual performance is typically much better than the rated values. Please see the Rated Absolute Accuracy chart above.
Accuracy figures can be improved by recalibration.
Rated Temperature
Reading Resolution
Better than 0.1 °C
Please see the Rated Native Resolution chart above.
LogTag Analyzer® currently displays to one decimal place of °C. The native resolution is what is stored in the LogTag®.
Sensor Reaction Time Typically less than 7 minutes (T90) in moving air (1 m/s).
Recording Capacity 16129 temperature readings. 56 days @ 5min logging
Sampling Intervall

Configurable from 30 seconds to 18 hours.

Logging Start Options Push button start or specific date & time. Optional start delay of 1 minute to 72 hours.
Recording Indication ‘REC’ symbol on display.
Alarms 1 upper and 1 lower alarm.
Download Time Typically with full memory (16.129 readings) in less than 20 seconds from time of insertion to availability of PDF report.
Typically less than 10 seconds from time of insertion to availability of LTD file in LogTag® Analyzer (if configured).
Environmental IEC 60529: IP64 with USB cap fitted.
Power Source Fixed CR2032 non-replaceable battery.
Battery Life Shelf life of up to two years before configuration (in standard hibernation mode). Six months operating life from the time of configuration.
Real Time Clock Built-in real time clock.
Rated accuracy ±25 ppm @ 2 5°C (equivalent to 2.5 seconds/day).
Rated temperature coefficient is -0.034 ±0.006 ppm/°C (I.e typically +/- 0.00294 seconds/day/°C).
Connection Interface USB 2.0, A-type plug.
Software PDF Reader, LogTag® Analyzer 2.5 or higher.
Size 93 mm(H) x 54.5 mm(W) x 8.6 mm(T) including protective USB cap.
Weight 31 g
Case Material Polycarbonate
LogTag® Recorders reserves the right to change this product’s specifications without notice.
EMC Compliance

Tested & complies with EC EMC directives (EN 50081-1:1992 & EN 61000-6-1:2001).
Tested & complies FCC Part 15 Subparts A & B.

FDA CFR21 Part 11 Compliance

Designed for FDA CFR21 Part 11 Digital signatures.

RoHS Directive

The RoHS Directive stands for "the restriction of the use of certain hazardous substances in electrical and electronic equipment". This Directive bans the placing on the EU market of new electrical and electronic equipment containing more than agreed levels of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants.