Clinical risk
A vaccine that goes out of range looks the same, but loses efficacy. There's no way to tell by eye.
SOLUTIONS / NIVAL
Narrowbits NIVAL · Cold chain
Every degree counts. So does every record.
Continuous temperature monitoring, alerts before damage occurs and evidence ready for an ISP (health authority) inspection, without modifying your refrigeration equipment.
NIVAL Healthcare · NIVAL Logistics
REF-014.8 °Cin range
The problem
Product that's lost without anyone noticing.
Financial loss
Discarded product, emergency restocking, staff hours and stockouts.
Regulatory exposure
Without a continuous, traceable record, an ISP inspection ends in findings and a re-inspection.
Manual checks vs. what the regulation requires
| Requirement | Manual log sheet | NIVAL monitoring |
|---|---|---|
| Logging frequency | 2 to 3 readings a day | Continuous automatic logging |
| Nights and weekends | No coverage | Full coverage |
| Excursion detection | When the unit is opened | Immediate alert when the threshold is exceeded |
| Power outage | Discovered afterward | Alarm as it happens |
| Audit evidence | Paper without timestamps | Exportable time-stamped data series |
| Calibration | Rarely documented | Valid certificate for each sensor |
How it works
From the sensor to the audit report.
Probe inside the unitrefrigerators · freezers · cold rooms
Additional variableshumidity · door · power
ON SITE
NBnano
- Continuous local logging
- Thresholds and grace period
- Local beacon light even without internet
- Store-and-forward
NBcloudreal-time and historical data per site
Alerts and reportsemail · SMS · escalation · Excel/CSV
The sensor goes inside the unit: no drilling into the cabinet and no impact on the warranty.
Interactive scenario
Who finds out, and when, if the refrigerator fails on a Friday night?
STEP 1 / 5 · 22:00
All in range.
Healthcare facility. The vaccine refrigerator reads 4.8 °C, within the 2 to 8 °C range.
REF-01 · VACCINES · TEMPERATURE
4.8 °C
ILLUSTRATIVE DATA22:00
Notifications · NBcloud
NBcloudnow
NIVAL · STATUSREF-01 Vaccines: 4.8 °C, in range.Want to see the full dashboard? Book a demo.
What we measure
From a single vaccine refrigerator to an entire warehouse.
Refrigerators and freezersvaccines · biologics · −20 °C
Cold roomsmultiple points · thermal mapping
Rooms and warehousespharmacy · preparation · dispatch
Relative humidity%RH
Door openingtime-stamped events
Power outageimmediate alarm
Sensor battery% and alert
Per-point settingsthreshold · grace period · escalation
NT N°147Good storage and distribution practices
NT N°208Refrigerated and frozen products
Res. Ex. 6590Thermal mapping guide
Managed calibration, part of the service
Certified laboratory
Documented metrological traceability.
Annual cycle per sensor
Scheduled so no point is left uncovered.
Individual certificate
Documentary evidence for inspectors.
Coordinated swap
Removal, temporary unit, and reinstallation.
Technology
Without touching the refrigerator.
Long-range, low-power wireless NBtemp sensors, with no new wiring on the premises. NBnano keeps local logging and alarms on site.
NBtemp
NBmultiNBtemp in a refrigerator
NBnano in an enclosureCase · Healthcare
Distribution center of a healthcare network
Spreadsheet-based control left gaps that could not be reconstructed during an inspection. Today, 19 points are monitored continuously on NBcloud, with per-site thresholds, exportable history, and annual calibration as a service.
19CONTINUOUSLY MONITORED POINTS
ISPTRACEABILITY
AnnualMANAGED SERVICE
Service tiers
Three tiers based on site requirements.
ENTRY
Basic
Cloud monitoring with history and alerts.
- NBcloud platform
- History export
- Business-hours support
RECOMMENDED
Recommended
Local logging independent of the internet.
- Everything in Basic
- NBnano local logging
- Alert and event management
- Optional UPS and calibration
COMPREHENSIVE
Comprehensive
Complete evidence for ISP audits.
- Everything in Recommended
- Annual calibration with certificates
- Monthly report and evidence folder
Services
After installation, we stay with you.
CAREYour system, looked after.
Supervision, review of points with no data, incident handling and technical support.
LOGEvery record, whenever you need it.
Historical data, events and reports for reviews and audits.
NOWWhat you need to know to decide today.
Periodic summary of relevant changes, alerts and open items.
Frequently asked questions
What customers usually ask.
Do you modify the refrigerator or affect its warranty?
No. The sensor sits inside the refrigerated space, without drilling the cabinet or touching the unit's controls.
What happens if the internet goes down?
NBnano keeps logging and checking thresholds on site, and can trigger a local beacon light. Phone alerts and cloud backup are sent once the link is restored, with everything stored in the meantime.
How do you avoid false alarms when the door is opened?
Each point has a configurable grace period: a short opening doesn't trigger the alarm.
Do the sensors come calibrated?
Yes, with a certificate. Annual calibration can be included as a managed service.
How long does a pilot last?
Between 4 and 8 weeks, at one site or a defined area, with scope and price fixed in writing.
Calculator · unsupervised hours
With manual logging between 08:00 and 17:00, how many hours do your units go without anyone checking them?
123 hper week per unit, unsupervised
With 6 units, that's about 3,196 unit-hours a month with no one watching.
Illustrative estimate based on readings between 08:00 and 17:00.
Technical assessment (free)
Let's start with one site.
30-minute site survey meeting, pilot design, and a proposal with scope, exclusions, and timelines.