# KelvinTrack > Temperature monitoring for cold-chain assets, sold in France. A KelvinTag > sensor sits in the fridge, freezer or cold room; a free Android app on a phone > reads it over Bluetooth and uploads; a dashboard shows the readings and raises > alarms. The sensor is bought once and there is no subscription. Most of what this site publishes is free HACCP paperwork, not product pages. Those resources are the useful part for most readers: printable temperature log sheets, cleaning and disinfection plans, traceability registers and food-safety plan templates, generated to the reader's own equipment and limits, with no sign-up and no email required. Each is available as a live generator and as a blank PDF. Every page exists in French, English, German, Spanish and Italian under its own locale prefix (/fr/, /en/, /de/, /es/, /it/). Deliveries begin at the end of October 2026. ## Free HACCP resources - [Feuille de relevé de température](https://kelvintrack.com/fr/shop/ressources/feuille-releve-temperature): printable fridge and cold-room temperature log, up to eight units on one A4 page. [PDF](https://kelvintrack.com/downloads/fr/feuille-releve-temperature.pdf) - [Plan de nettoyage et de désinfection](https://kelvintrack.com/fr/shop/ressources/plan-nettoyage-desinfection): cleaning and disinfection plan with its follow-up record. [PDF](https://kelvintrack.com/downloads/fr/plan-nettoyage-desinfection.pdf) - [Registre de traçabilité alimentaire](https://kelvintrack.com/fr/shop/ressources/registre-tracabilite-alimentaire): food traceability register, ready to fill in. [PDF](https://kelvintrack.com/downloads/fr/registre-tracabilite-alimentaire.pdf) - [Plan de maîtrise sanitaire](https://kelvintrack.com/fr/shop/ressources/plan-maitrise-sanitaire): blank food-safety plan skeleton. [PDF](https://kelvintrack.com/downloads/fr/plan-maitrise-sanitaire.pdf) - [Températures de conservation](https://kelvintrack.com/fr/shop/ressources/temperatures-de-conservation): storage temperature thresholds by food category. - [Contrôle sanitaire en restaurant](https://kelvintrack.com/fr/shop/ressources/controle-sanitaire-restaurant): what an inspection checks and which documents to have ready. ## Product - [Capteur KelvinTag](https://kelvintrack.com/fr/shop/produits/capteur-de-temperature-connecte-kelvintag): the sensor. Accuracy up to ±0,05 °C, range -40 °C to +85 °C, IP68, Bluetooth Low Energy, 3-year battery, 3-year warranty, 3 years of on-board memory. - [Application Android](https://kelvintrack.com/fr/shop/application/android): the free app that acts as the gateway. An Android 12+ phone is enough; it is not an iOS gateway. - [Boutique](https://kelvintrack.com/fr/shop): all products. ## By sector - [Restauration](https://kelvintrack.com/fr/shop/solutions/restauration) - [Restauration collective](https://kelvintrack.com/fr/shop/solutions/restauration-collective) - [Pharmacie](https://kelvintrack.com/fr/shop/solutions/pharmacie) - [Logistique](https://kelvintrack.com/fr/shop/solutions/logistique) - [HACCP](https://kelvintrack.com/fr/shop/solutions/haccp) ## Other languages - [English](https://kelvintrack.com/en/shop) - [Deutsch](https://kelvintrack.com/de/shop) - [Español](https://kelvintrack.com/es/shop) - [Italiano](https://kelvintrack.com/it/shop) ## Contact - [Contact](https://kelvintrack.com/fr/shop/contact) - [Sitemap](https://kelvintrack.com/sitemap.xml)