By LogTag Data Loggers
From: £166.67


The UTREL30-WiFi real-time -90°C min/max (30 day summary) vaccine temperature data logger is equipped with a connector for an external temperature sensor, LCD display, audible alert and online cloud data management.

Build a system

Part of a suite of products designed to work as a complete monitoring system

Customise this datalogger

Part of a suite of products designed to work as a complete monitoring system

  • Select probe option
  • Calibration certificate
  • Bracket
* Calibration takes between 3 - 7 business days Add and customise

Records -90 °C

16000 looped temperature readings over a range of -90 to +40 °C from interchangeable remote probe

Real-time data

Automated download with alarm management reporting via LogTag Online TM


Audible, Visual, email and SMS on temperature and power triggers


Product Description

For a modern and reliable vaccine temperature monitoring solution, choose the LogTag UTREL30-WiFi low temperature data logger. It can monitor temperature readings of -90°C to +40°C in real time and features both automated download and alert reporting.

All data can be uploaded via LogTag Online for unlimited access to those with permissions across the world, ensuring everyone in your facility gains full visibility of vaccine storage and shipments. This vaccine data logger ensures parameters are upheld with the alarm and alarm ‘pause’ function via LED or audible alerts. It can be powered by either 2 AAA batteries or a power supply, depending on your requirements.

UTREL30-WiFi temperature data logger features:

  • Modern and easy-to-read LCD display
  • Read current temperature and latest min-max temperature at a glance
  • User-configurable min-max temperature readings
  • Audible and flashing red alarm to notify of any temperature breaches
  • Access 30 days’ worth of alarm notifications
  • Upload data to LogTag Online in real time
  • Powered via a standard plug-in power adaptor and a USB cable
  • Use LogTag Analyzer data logger software to download real-time data, in the case of a WiFi outage

Requires ST10 probe to record temperature and a WB02 bracket if the UTREL30-WiFi is being mounted on a wall or appliance.

Find out more about this vaccine data logger by getting in touch with our friendly team. Call us on 01929 459459 or email [email protected].






Usage Type

Multiple Use



Sensor internal or external




Sensor type


Internal Storage Memory

(112days at 10 min recording interval)

LCD Display

Current temperature
30 day Min/Max
Status of 1~6 alarms

Sample rate

30 seconds ~ 60 minutes

Measuring Range

-90°C ~ +40°C


Better than ±0.5°C for -20°C to +10°C
Better than ±0.7°C for -50°C to -20°C and +10°C to +30°C
Better than ±1°C for -80°C to -50°C and +30°C to +40°C
Better than ±1.8°C for -90°C to -80°C

Actual performance is typically much better than the rated values. Please see the Rated Absolute Accuracy chart above.
Accuracy figures can be improved by re-calibration.


0.1°C for measurements -80°C to 0°C
0.2°C for measurements 10°C to 20°C and -90°C to -80°C
0.3°C for measurements 18°C to 30°C
0.5°C for measurements 30°C to 40°C




USB powered via provided cable.
AAA battery up to 2 months.
If unit is operated without a power supply.
Secondary coin cell battery to protect stored data.


141mm (H) x 72mm (W) x 18mm (T)

Environment rating

IP51 (when vertically mounted or hung with USB dust-cap in place).

Operating Conditions

-30°C ~ +60°C

Alarm limits

Three configurable upper and three configurable lower alarms.

Computer Requirements

Windows PC

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