Wi-Fi data loggers for refrigerators
The contents of your pharmaceutical or biotech refrigerator - vaccines, biologics, reagents, samples - are often sensitive products that need precise, continuous temperature monitoring. You need to be alerted in time to act on critical temperature fluctuations long before any damage is caused by freezing or overheating.
Eupry's wireless data loggers give you a reliable, real-time overview of the temperature in your refrigerator at all times.
- audit-ready records and reporting
- FDA 21 CFR Part 11 module
- ISO 17025-accredited calibration
Table of contents
Does my refrigerator need a wireless data logger?
Studies show that 20% of refrigerators used for storing medical substances freeze products. That is why temperature monitoring in refrigerators is very important. To prevent costly damage, it is also important to be able to receive alarms via SMS or email if the refrigerator is malfunctioning.
When our wireless temperature sensors alert you to changes as they happen, you are able to fix the refrigerator temperature in time to save your delicate and valuable products.
Eupry is a preferred solution to log and track temperatures in refrigerators for hospital temperature monitoring, pharma, and laboratory industries because we not only provide hardware of the highest quality: we provide a wireless temperature data loggers that automatically lets you know in real time when changes in temperature happen.
What does Eupry’s refrigerator Wi-Fi data logger do?
Eupry’s WiFi data logger is easily installed and can simply be placed on a shelf within the refrigerator.
- Continuous monitoring: records temperature at configurable intervals and transmits every reading wirelessly to the Eupry platform
- Real-time alerts: SMS and email notifications when temperatures drift outside configured thresholds, with escalation to backup contacts if the first responder does not acknowledge
- Audit-ready records: signed, timestamped PDF reports exportable in three clicks, validated for FDA 21 CFR Part 11
- 2-year battery life: runs on standard AA batteries, with automatic low-battery notifications via SMS or email
- Offline resilience: continues logging even if Wi-Fi or internet connectivity is interrupted, syncs automatically when restored
- ISO 17025-accredited calibration: included in the subscription, no separate contracts or shipping logistics
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What are the technical specifications of the refrigerator data logger?
Hardware
- Temperature accuracy: ±0.5 °C
- Battery life: up to 2 years on standard AA batteries
- Wireless connectivity: Wi-Fi 2.4 GHz
- Offline storage: local data retention during connectivity loss, auto-sync when restored
- Probe options: internal sensor, external probes for fridges, freezers, and ultra-low units
- Measurement interval: configurable
Platform and compliance
- FDA 21 CFR Part 11 validated
- ISO 17025-accredited calibration included
- ISO 27001 certified data security
- Encrypted data transfer (TLS) and storage (AES-256)
- Role-based access control
- Signed PDF audit exports
- Unlimited users and locations on one account
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Eupry is much more than "just a data logger". Download our catalog and discover our full range of products and services.
Why should I choose live data logging over USB data loggers for my refrigerator?
One major difference between data logging with USB data loggers and using monitoring systems such as Eupry’s Wi-Fi dataloggers is that it’s not possible to receive alarms with USB data loggers that are not capable of connecting to the internet.
Like USB wireless temperature sensors, Eupry’s wireless temperature sensors constantly monitor temperature even if your Wi-Fi is not working.
With Eupry sensors, as long as your facility has access to the internet, you have access to real time updates of significant fluctuations.
Many refrigerators do not perform evenly over time. Refrigerator temperatures can often fluctuate significantly for a certain amount of time and then turn back to status quo before the change in temperature is even noticed.
This leaves you with hindsight knowledge, but can prevent you from making the changes you need in time to protect the contents of your refrigerator.
It is therefore always a good idea to monitor refrigerators that store delicate medicine and laboratory samples in real time.
How are Eupry refrigerator data loggers calibrated?
On-site calibration with no downtime
Old sensor out. New sensor in. Calibration is done.
Sending data loggers back for annual calibration means temporary loggers, empty probe ports, interrupted monitoring, and re-validation work. The downtime often costs more than the calibration itself.
Eupry's approach is different.
Eupry data loggers are calibrated using traceable references, with the calibration performed in compliance with ISO 17025 specifications.
Every year, Eupry provides you with newly calibrated loggers. The old ones are returned.
With the subscription model, calibration is always included in the price.
Calibration certificates are stored online and accessible instantly for audits.
Handle all your calibrations in minutes, directly at site, without changing data loggers.
= 95% less time spent on calibration.
- Calibration handled in-house
- Monitoring stays active
- Certificates are automatically stored
Which refrigerator brands does the data logger work with?
Eupry's Wi-Fi data loggers work in all types of refrigerator brands. The most commonly used pharmaceutical and laboratory refrigerator brands that Eupry customers monitor include:
- Liebherr
- Gram
- Vestfrost
- Thermo Fisher Scientific
- Helmer Scientific
- PHCbi (formerly Panasonic)
It does not matter whether it is a high-profile pharmaceutical-grade refrigerator or a standard lab fridge — the data logger works across configurations.
Where should I place the data logger in the refrigerator?
Most refrigerators will have a critical high spot as well as a critical low. It is important to place data loggers at the points in the refrigerator that experience either the critical high or the low temperatures.
Therefore depending on the material you store in your fridge, go for the most critical of the two. If you have a refrigerator with significant fluctuations, you might consider getting an extra Eupry datal ogger to place at both spots.
In order to locate the critical high and critical low temperatures, you must conduct a temperature mapping exercise. This is a process that ensures you get the exact placement you need for your specific refrigerator.
To conduct the mapping exercise, you place the data logger in one position for several hours without opening the refrigerator while monitoring the temperature and then move it to a new spot. Keep doing this routine until you have found the critical high and critical low temperatures.
How do I install the Wi-Fi data logger in my refrigerator?
There are three installation methods, each equally effective. The right choice depends on the dimensions of your refrigerator and the location of the critical high and low points.
- Shelf placement: The most common method. Simply place the data logger on a refrigerator shelf.
- Double-sided tape (M3): Mount directly to the refrigerator wall or shelf underside.
- Screw-mount bracket: For permanent installation in larger or high-traffic units.
How do I connect the data logger to the Eupry monitoring system?
Connecting Eupry's Wi-Fi data loggers is as simple as downloading the app, registering the device, and connecting it to your Wi-Fi network. Setup typically takes under 10 minutes per unit.
Role-based access control lets management assign different levels of data access by user, site, or department. It helps different levels of the organization ensure that refrigerators are being properly monitored and that relevant staff are notified about important changes.
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