For temperature monitoring of perishable food and beverage products such as meat and milk, wireless data loggers can be deployed alongside these enclosures or next to exposed access points whose reliability is a concern.
Safeguarding your wireless Access points in cold storage areas is critical to maintain your wireless network and protect your products using WiFi data loggers. While freezing temperatures pose many challenges to setting up a reliable connection, these can be overcome with planning and specialized equipment. The business benefits—product quality and loss prevention—make the effort worthwhile.
Every day businesses are able to cut their operating costs and increase productivity by using dataloggers to alert workers when products are at risk, when process-critical machinery overheats, and more. Businesses are using these devices to save money and time.
1. Machine Condition Monitoring – Machinery and electrical equipment such as 3-phase motors, compressors, generators and bearings/turbines are critical to process manufacturing and many other business applications. Data loggers can connect to a wide variety of sensors to log temperature, vibration and current/voltage to track machine conditions in real time. Using software you can also graph temperature, for example to prove that a bearing needs to be repaired or replaced before it fails.
2. Cold Chain product monitoring – Have you lost product after a sudden power outage? Many of users have a similar experience before relying on a temperature datalogger to monitor and alarm their inventory. The next time your cold storage units fail, a temperature data logger will instantly send an alarm to your mobile device so you can take action and save your product in time.
3. Energy Auditing – You just got your facility’s electric bill and you’re not happy—where is all this usage coming from? Current data logger can audit energy use and identify savings areas. Additionally, if your site has an electrical problem with dirty power, voltage drops or something completely undiagnosed, these data loggers can troubleshoot it after just a week or two of monitoring.
4. Regulatory Compliance – Most transport and logistics shipping companies need a simple way to prove that product temperatures stayed safe in storage and transit. Likewise the healthcare industry needs to show the same for medical products. Data logging software gives you this proof to regulators and auditors in the form of charts and graphs. With a data logger, all your temperature and humidity data is stored on the device’s internal memory.
For additional convenience, data loggers can archive product temperature data as a PDF report to give to vendors as proof of best practices.
5. Remote Monitoring – Does your HVAC business need to show post-installation savings to customers? Data loggers are just one way to log temperature, humidity and/or carbon dioxide indoors.
6. Free up Time – Many companies inadvertently waste time by asking workers to take manual temperature measurements. To free up time, many data loggers perform automatic data transmission over FTP or WiFi so you never have to worry if someone’s paying attention or if you have accurate data. Unlike a paper chart recorder, you don’t have to perform any maintenance work with a data logger.
Cold storage areas / store rooms
If you’re monitoring a cold storage area or room, as well as overseeing the air temperature and product temperature (core temperature of the chilled goods), the use of a data logger is highly recommended. In fact, for cold and deep-freeze storage areas which are larger than 10 m³, data recording is even compulsory.
Eight clear areas for improvement were identified and the data loggers proved invaluable in five of those areas. Some of these were:
- Raising cold store air temperature when a cold store was running at an unnecessarily low temperature
- Reducing the temperature difference between air and refrigerant
- Making a seasonal adjustment of evaporating temperature
- Avoiding air temperature fluctuations by establishing steady temperature control at the warmest temperature possible and avoiding over-cooling in blast freezers.
Most supply chain companies would be able to carry out at least some of the measures suggested, in order to make energy savings. While some measures require some capital investment (easily offset by saving on the energy bill), particularly in older premises, other measures such as raising the temperature in cold stores that are run unnecessarily low can reap significantly higher energy savings.
Food manufacturers and logistics companies in the frozen foods industry could replicate this exercise to see if their storage facilities and processes are operating at the correct temperature and are energy efficient. Temperature data collection and analysis using data loggers could assist in identifying specific energy saving opportunities and take quick corrective actions when required.
Another interesting finding identified is the lack of energy sub-metering to monitor and improve performance. This clearly represented a missed opportunity to achieve energy savings. Data loggers, as a solution, could also be used to monitor power consumption.