Aluminum Temperature Sensor Buffer: Precision in Sample Representation
Our range of aluminum temperature sensor buffers are designed to more accurately mirror the conditions of sensitive samples, significantly diminishing the chance of false alerts and ensuring reliable monitoring.
Thermal Buffer: Essential for Accurate Temperature Monitoring
Temperature monitoring can often be a NATA requirement for a facility to maintain it’s accreditation. Part of the NATA guidelines state that the temperature sensor should closely match the thermal properties of the samples. Simply monitoring the air temperature of a controlled environment does not suffice as every style of temperature sensor reacts to a change in temperature at a different rate. This can depend on the sensor type, size, thermal mass and many other sensor properties. On top of that, monitoring air temperature leads to false alerts during defrosts or when the door is opened and an inrush of ambient air greatly changes the controlled enviroments air temperature but the actual temperature of the samples only changes slightly. Using the correct temperature buffer offers a higher level of confidence that your samples have not been compromised and prevent annoying false alerts.
Shop now for Aluminium Temperature Buffers
Thermal buffers are often in the form of a bottle of Ethylene Glycol - with the volume representing the size of the sample being stored. Common sizes include 10ml, 15ml, 30ml and 65ml. Glycol temperature buffers solve the temperature stability issue and represent the sample well, but they can introduce other problems when they leak/break causing a change to the thermal properties and results in nasty mess that potentially compromises your sensitive samples.
Aluminium Temperature Buffer: A Better Solution
Telemetry2U has designed a better solution by producing a range of Aluminium Temperature Buffers designed to work perfectly with the products we supply. We provide a range of sizes carefully designed to replicate various volumes of water, including 10ml, 15ml, 30ml and 65ml. Being made of Aluminium, they will obviously never leak, decay, or rust. Each temperature buffer is perfectly machine finished and comes with two holes bored that fit our temperature sensors perfectly. The second hole can be used for a reference sensor during calibrations and offers a great advantage by having the two sensors snuggly embedded in the same medium. This is guaranteed to provide a much more accurate calibration in much less time as the reference sensor will stabilise very quickly in this arrangement – this is a huge advantage.
Aluminium Buffer vs Water
Here is an example of a temperature sensor inside a 30ml sample of water compared against the same style of temperature sensor embedded inside one of our custom-made cylindrical Aluminium Temperature Buffers with a 1-minute logging rate. Both configurations were given some time to equalise at room temperature before being suspended in air within an incubator set at 60C, giving a difference in temperature of roughly 40.0C. After about 90 minutes, the incubator was turned off with the door left open. It’s clear that the temperatures trace each other very closely proving that the mass of Aluminium we used to emulate the 30ml volume of water very well.
Temperature Monitoring
Telemetry2U takes advantage of a wireless protocol called LoRaWAN (Long-Range Wide Area Network) to get the data to our servers where you can visualise your critical temperature data in real-time and generate alerts when things deviate from the required range. LoRaWAN is a very reliable wireless network with a large range of temperature monitoring devices readily available.
The Dragino LHT65 Temperature/Humidity sensor has both an internal and an external temperature sensor and is widely used for critical temperature monitoring applications.
The Dragino LTC2-LT Temperature sensor uses a high-quality, waterproof PT-100 that is capable of temperature ranges from -196c to 200C, perfect for ULT (Ultra-Low Temperature) applications like -80C cold storage.
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