One of the most demanding challenges in today’s logistics is to maintain the temperature of goods that are sensitive to temperature within a tolerable range. Excessive heat or cold can cause vaccines, biological samples, fresh produce, dairy products, and other perishables to lose quality or effectiveness.
[image: RFID in medical protection]
Monitoring the temperature traditionally is usually done by periodic checking. The connected approach is possible with the help of a RFID based temperature sensor, which can be used to tie the temperature to a specific shipment, container, pallet, or product. Choose the best RFID inventory software that can help you manage your RFID system.
What is RFID Temperature Monitoring?
A temperature sensing RFID tag is an RFID tag that is integrated with a temperature sensor. The tag may contain temperature data and transmit the necessary information to an RFID reader or to an interconnected platform, depending on the system.
This helps to build a link between ‘What is this shipment?’ and ‘What temperature has it been through?’
Rather than just being alerted to a vaccine shipment arriving, logistics teams can be cued to the thermal conditions of the shipment, if they can be determined.
Why Thermal Exposure Matters?
Not all the time in long-distance transport are temperature excursions. Problems can occur during:
- Packing and unpacking in the warehouse.
- Airport transfers
- Delivery delays
- Refrigerated truck failures
- Temporary storage
- Last-mile delivery
- Power interruptions
The investigation of a relatively brief excursion, even for pharmaceuticals and biological materials, may be necessary. Temperature abuse can cause deterioration of produce, shorten the shelf life, and lead to higher waste for perishable products.
RFID monitoring can support companies in detecting such incidents sooner and recording them.
Essay on Application in the Cold Chain
Pharmaceuticals and Vaccines
Careful transportation and storage of medicines and vaccines that need to be kept at a certain temperature are required. RFID-enabled monitoring can correlate the thermal data with specific shipments, enabling visibility across several handoffs.
Instead of assuming all packages are good, teams can research an excursion and determine if it is a problem or not. Better to talk to an expert who can help you more with RFID hospital asset tracking facilities.
Fresh Produce and Food
Other foods that can benefit from temperature visibility include fresh fruits, vegetables, seafood, meat, and dairy products.
Monitoring conditions throughout transportation can help companies:
- Reduce spoilage
- Improve inventory decisions
- Recognize common cold-chain issues
- Support quality-control processes
- Improve delivery accountability
Biological Samples
Biological specimens can be transported by laboratories or health care institutions, provided they are kept at a certain temperature. Association of sample identification with environmental data can result in more robust chain-of-custody visibility.
Real-Time Monitoring vs. Historical Data
Not all of the RFID temperature systems are continuous real-time systems. There are tags that just contain a history of temperature and can be read when they are within range of an RFID reader.
There are other systems that can interface with RFID data and wireless networks or gateways to deliver the alerts in near real time.
The following is therefore important to make clear what the businesses really need:
- Periodic temperature records
- Automatic excursion detection
- Real-time alerts
- Continuous cloud visibility
- Historical compliance reports
The right architecture can avoid the need for extra expense.
Here are Some Tips for A Successful RFID Cold Chain Deployment:
Before the technology is put into practice:
- Establish temperature limits: Set acceptable temperature limits on a product-by-product basis.
- Hanging of test tags: Packaging materials and container design can impact the performance of the sensor.
- Calibrate sensors: Check the accuracy of the sensors prior to deployment.
- Track the complete route: From warehouses and transportation nodes to last-mile delivery.
- Avoid too many alerts that make people miss alerts: Set meaningful alerts.
- Trackability: Trace sensor data to shipment, batch, lot, or product identifiers.
- Validate the system: Test performance of the RFID system under real refrigerated conditions.
- Foresee exceptions: Set up plans to investigate temperature excursions.
RFID temperature monitoring can equip the cold chain with a more data-driven operation than it currently is. Linking the product identity with temperature history will enhance visibility, avoid unnecessary losses, and enable more efficient investigation of thermal excursions.
The most important aspect for vaccines, pharmaceuticals, produce, food, and biological samples is the combination of RFID sensing with robust logistics processes, calibrated equipment, robust connectivity, and effective response protocols. As a result, a smarter cold chain where companies can decide what’s happening to products rather than where they went.
