In modern environmental monitoring systems, increasing importance is being placed not only on measurement accuracy, but also on convenience in everyday use. The question is being asked more and more often: can’t it be simpler, faster and error-free?
One trend that responds to this need is the use of e-ink displays e-ink displays, previously known mainly from e-book readers. Combined with devices such as CoolSens CloudHub, this technology is truly changing the way employees record and monitor environmental conditions.
Why e-ink displays?
Unlike traditional screens, e-ink does not require backlighting or a constant power supply. Once displayed, the image remains visible without consuming power. This allows devices to operate for up to several years on a single set of batteries – and the data is always legible.
It’s not just technology. It’s real help in your daily work.
You always have your data in front of you – no apps or logins required
In many establishments – from pharmacies to cold stores – time is of the essence. No one wants to waste it logging into applications, connecting via Bluetooth or searching the system to display a single graph.
With the e-ink screen, a glance at the device is enough to immediately check:
- the user-assigned name of the device
- the last measured temperature or humidity
- measurement status,
- battery charge status,
- GSM and radio signal quality,
- cloud connection status.
All this without touching your phone, computer or IT system.
No more paper and mistakes
Many facilities still use manual measurement records: pieces of paper pinned to the fridge, notebooks, checklists. The problem? It’s easy to miss something, write it down wrong, or forget to make an entry. And when it’s time for an inspection, the frantic search for data begins.
With devices such as CoolSens CloudHub, everything is recorded automatically. The data is sent to the cloud, where it is secure, archived for 5-10 years and ready to be generated in the form of a report in accordance with the guidelines of the pharmaceutical inspection, sanitary inspection or GxP*.
*Check your local industry regulations for temperature and humidity control requirements✅🌍
You always know when something is happening
The CoolSens data concentrator is equipped not only with an e-ink screen, but also with a visual and audible signalling system:
- the LED changes colour in case of a problem,
- a discreet audible alarm warns when set thresholds are exceeded.
This gives employees the confidence that they will not miss anything – even when moving quickly between rooms or working in shifts.

Who is it for?
E-ink technology and solutions such as CloudHub work well in many work environments – wherever precision, simplicity and compliance with regulations are important.
It is suitable for use in:
- pharmacies and pharmaceutical cold stores,
- medical and biological laboratories,
- food logistics and storage of perishable products,
- archives and museums with controlled microclimates.
Data security that works in the background
Solutions such as the CoolSens system are designed in accordance with safety standards. Data is:
- automatically recorded,
- archived in the cloud,
- available for further analysis, including export and reporting.
This means you no longer have to rely on an employee to remember to enter something. The system records everything for them – accurately, automatically and in accordance with requirements.
How does it work in practice? An example from a hospital pharmacy
In one hospital pharmacy, where both life-saving medicines and biological preparations are stored, the existing system was based on manually recording temperatures in special sheets. Measurements were taken two or three times a day, which, with rotating staff, led to inaccuracies, gaps in documentation and stressful moments during inspections.
After implementing a temperature and humidity monitoring system, the situation changed dramatically:
- data is recorded automatically, 24/7, without the involvement of staff.
- thanks to the e-ink screen, the last measurement is always visible on the device, which speeds up daily inspections.
- During the pharmaceutical audit, the report was generated in seconds, without the need to search for paper documents.
The result? Less stress, greater confidence in inspections and real time savings.
It can be estimated that the team saves at least 1–1.5 hours per week, which was previously spent on manual entries and preparing documentation.
Want to simplify monitoring? Take the first step
See how CoolSens CloudHub can simplify everyday work at your facility. We will be happy to advise you on the best set of devices for your workplace.