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Monitoring
Sensor GridWireless probes for fridges, freezers, cold rooms and trucksLive TemperaturesEvery reading from every site on one screenAI Excursion PredictorTime-to-breach warnings before limits are crossedAlert EscalationCalls, SMS and WhatsApp until someone acts
Compliance
Compliance LogsAudit-ready records with corrective actionsCalibration DeskSchedules, certificates and due-date remindersCold Chain ReportsExcursions, uptime and door-open time by asset
PlansPriced per sensor, per month
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Zone 04The QA officecalib.Calibration Desk

No certificate lapses quietly

Every sensor's calibration certificate, due date and history in one place, with reminders before anything expires and swap-out sensors so a unit is never left unmonitored while its probe is away.

Monitor 5 sensors free See plans
Calibration Desk1 due soon1 overdue
S-0312Vaccine Fridge F-03 · cert WC-221914 days
S-0402Cold Room CR-1 · cert WC-21885 months
S-0511Freezer FZ-2 · cert WC-22048 months
S-0620Reefer KL-08 · cert expiredoverdue 3 d
30 / 14 / 3
days of reminders
1 click
certificate download
Swap-out
sensors on rental plans
Per sensor
history
Capabilities

Calibration without the spreadsheet

Due-date tracking

Every sensor's next calibration date, shown on the sensor, the unit and the desk.

Reminders

Alerts to QA at 30, 14 and 3 days, and an overdue flag on the unit itself.

Certificate store

Certificates attached to the sensor record, ready for inspectors to view.

Swap-out sensors

On rental plans, a calibrated replacement arrives before the old sensor goes back.

Reference checks

Log in-house checks against a reference thermometer between formal calibrations.

Calibration report

All sensors, their status and certificate numbers on one exportable page.

A calibration cycle

  1. 01

    Reminder

    30 days before the due date.

  2. 02

    Swap

    Replacement sensor fitted, history continues.

  3. 03

    Certificate

    New certificate uploaded to the sensor record.

  4. 04

    Reset

    Next due date set automatically.

Details

Calibration details

Interval
Set per sensor, commonly 12 months
Certificates
PDF stored per sensor with number and lab
Reminders
30, 14 and 3 days, plus overdue
Reference checks
Logged with reading, reference and user
Rental sensors
Calibration and swap-outs included

Common questions

Do you calibrate sensors?

Rented sensors are calibrated and swapped as part of the plan. Purchased sensors can be sent for calibration or handled by your own accredited lab.

Can I add certificates for sensors from another supplier?

Yes. Upload any certificate against any sensor on your account.

Does monitoring stop while a sensor is away?

Not with a swap-out sensor. The replacement takes over the unit's record before the old one leaves.

Works alongside

Compliance LogsAudit-ready records and sign-offsSensor GridWireless sensors with local storageCold Chain ReportsPerformance by site, unit and route

Monitor your first 5 sensors free.

60 days of Wyenfos on five sensors in your own fridges, freezers or trucks. Bring compatible probes or rent ours. Live readings, AI warnings, night alerts and audit logs from day one.

S-014.2°Vaccine fridge
S-023.8°Backup fridge
S-035.1°Cold room
S-04-21.4°Freezer
S-054.6°Reefer truck
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