SEN-AIN
Node+ Embedded
Sealed wireless temperature sensor for fridges, freezers and stores.
- LoRaWAN
- Temperature
Specs Datasheet
For food and drink manufacturers, cold stores, retailers and caterers
One temperature record for every step food takes, from factory to plate
Food and drink is our core market. Manufacturers, cold stores, distributors, shops and kitchens each answer to someone on temperature: a BRCGS auditor, a retail customer or an environmental health officer. Nestlé's UK warehouse runs at 99% optimal temperature performance on JTF.
- Manufacturing, cold storage, distribution, retail, hospitality and vehicles
- Alarms set around how each unit is used, so each one means something
- Traceable or UKAS calibration for every sensor we supply (UKAS accredited calibration laboratory No. 10723 for temperature)
Chill room 302:14
3.8°C
What the auditor or inspector asks
Four rules most food businesses meet on temperature
The detail changes from a factory to a kitchen. The questions don't: what is your limit, how do you know you stayed inside it, and what did you do when you didn't?
- FSHR Sch. 4
Chill holding in law
Food that needs chilling kept at 8 °C or below in England, Wales and Northern Ireland. The FSA advises setting fridges to 5 °C or below.
Read the guide - Reg. 852/2004 Art. 5
HACCP
Critical limits, monitoring, corrective action, verification and records. The law sets almost none of the numbers, so yours need a source and a reason.
Read the guide - BRCGS Food Safety 4.15.3
Temperature-controlled storage
Recording equipment with suitable alarms on every store, or recorded manual checks, typically at least every 4 hours.
Read the guide - Quick-frozen food
−18 °C and a recorder
Quick-frozen food kept at −18 °C or colder, with EN 12830 recording instruments in stores and vehicles and at least a year of dated records. Retail cabinets and local distribution may use an easily visible thermometer instead.
Read the guide
On JTF today
What food customers see on Sematics
99%
optimal temperature performance at Nestlé's UK warehouse, with 100% data completeness
Over 95%
optimal performance across a 25-site food distributor, many sites at 99%
100%
of alarms acknowledged at a global food manufacturer in 2026, with every expected reading received
By sector
Pages for your part of the food chain
Food manufacturing
For food and drink manufacturers and their technical teams
See the pageFood distribution and cold storage
For cold stores, food and drink distributors and 3PL warehouses
See the pageFood retail
For food retailers, from a single shop to a multi-store estate
See the pageHospitality and food service
For restaurants, pubs, hotels, contract caterers, and school and care kitchens
See the pageFood and beverage transport
For chilled and frozen food and drink delivery fleets
See the page
What we monitor
Every room, unit and vehicle food passes through
Process and production rooms
Chilled production, blast chillers and marshalling areas, each with its own limit and alarm.
Cold stores, freezers and warehouses
Sensors where the stock sits, door contacts on the doors that get left open, and mapping to show where that is.
Shops and kitchens
Display chillers, freezers, back-of-store cold rooms and kitchen fridges, with small Bluetooth sensors for smaller sites.
Drinks, dairy and vehicles
Chilled drinks and dairy in store and on the road, with each vehicle compartment on the same record as the depot.
How JTF helps
The right sensor for each space, on one Sematics record
LoRaWAN Node+ sensors for rooms, stores and process areas, small Bluetooth sensors for single fridges, and trackers for vehicles. Node+ embedded and Node+ PT100 are designed to meet EN 12830:2018, accuracy class 0.2. Every reading, alarm and response lands in the same record, ready for the auditor.
SEN-BEP
Node+ PT100
PT100 probe input for ultra-low freezers, tanks and medical fridges.
- LoRaWAN
- Temperature
- Door
Specs Datasheet
SEM-BLE-Eye
Eye sensor
Bluetooth temperature, humidity, movement and door sensor.
- Bluetooth
- Temperature
- Humidity
- Movement
Specs Spec on request
AC-DOOR-IND, AC-DOOR-2W
Door switches
Dry contact door switches for the Node+ range.
- Wired to Node+
- Door
Specs Datasheet
Specs Datasheet
Installed tracker
Hard-wired tracker with inputs for ignition, doors and probes.
- Cellular GPS
- Location
- Temperature (with Eye sensors)
- Door
Specs Spec on request
Our food guidance
The UK and Irish food rules, explained from their sources
Each guide cites the law, the standard or the official guidance behind it, and gives our recommendation where they leave the figure to you.
Chilled food: 8 °C or 5 °C?
The legal ceiling, the advice figure and the number you actually work to.
Read the guidanceFrozen food and cold stores
−18 °C, the transport and retail tolerances, and EN 12830 recorders.
Read the guidanceManufacturing and HACCP
Temperature as a critical control point, from limit to record.
Read the guidanceCatering and retail
63 °C, the two-hour and four-hour rules, and goods-in.
Read the guidanceFood transport and deliveries
Hygiene law for vehicles, ATP and the journey record.
Read the guidanceAll food guidance
BRCGS, mapping, product temperatures, Ireland and where the rules differ.
Read the guidance
Food and cold storage
99%
optimal temperature performance at Nestlé's UK warehouse, with 100% data completeness
Regulation: Nestlé quality and compliance requirements
Read the Nestlé UK & IRE storyServices for this sector
One team for monitoring, mapping, calibration and support
Temperature monitoring
Wireless sensors, alarms that reach a person and an audit trail of who acted.
Explore the serviceTemperature mapping
A managed study, from protocol to report, with probe positions you can defend.
Explore the serviceUKAS calibration
Temperature calibration in our UKAS accredited calibration laboratory No. 10723, or on your site.
Explore the serviceInstallation and support
Design, installation, training and engineer cover from one UK team.
Explore the service
Free checklist
Food temperature control: UK and Ireland at a glance
Chill, frozen and hot holding limits, tolerances, time rules and record periods for England, Wales, Northern Ireland, Scotland and Ireland, on one PDF. Every answer behind it is in our food temperature guidance, with its source.
Questions
What people in your sector ask us
Which temperature should we monitor to: 8 °C or 5 °C?
8 °C is the legal ceiling for chilled food in England, Wales and Northern Ireland, not a target. The FSA advises setting fridges to 5 °C or below, and your customer's specification may be tighter. Work to the strictest figure that applies, record where it comes from, and alarm before 8 °C. More in our chilled food guidance.
Can one system cover our factory, depots, shops and vehicles?
Yes. Each site, store and vehicle keeps its own limits and alarm routes, and head office sees all of them on one record. One 25-site food distributor sees Over 95% optimal performance on JTF.
How do you stop alarms going off for nothing?
Every alarm gets a delay we can justify from the unit's own door and defrost data, so a door opened for a delivery or a normal defrost doesn't page anyone, and a real failure still does. Alarms that fire all the time get ignored, which is how real excursions are missed.
Do you cover drinks and dairy?
Yes. Chilled drinks and dairy stores, chillers and vehicles are monitored the same way, each to the limit its product specification sets.
What does calibration cover?
Calibration for every sensor we supply: traceable to national standards as standard, or UKAS accredited where you need it (temperature in our own UKAS accredited calibration laboratory No. 10723; other parameters through accredited partners). We report results as found and, where we adjust a sensor, as left.
Reviewed by Jake Farrow, Managing Director, on 19 October 2026.
Sources
- The Food Safety and Hygiene (England) Regulations 2013, Schedule 4 (temperature control)
- Food Standards Agency: chilling (food hygiene for businesses)
- Regulation (EC) No 852/2004 on the hygiene of foodstuffs, Article 5 (HACCP) and Annex II (as retained in Great Britain)
- BRCGS Food Safety (Issue 9) Standard
- The Quick-frozen Foodstuffs (England) Regulations 2007
- Commission Regulation (EC) No 37/2005 on the monitoring of temperatures of quick-frozen foodstuffs
20-minute compliance check
How would your next audit or EHO visit go on temperature?
In 20 minutes we go through your stores, units, vehicles, alarms and calibration with you. You get the gaps in writing. No product tour.