A Comprehensive Guide On The Best Temperature Data Loggers
In many industries, it is important to know the temperature that a product has been exposed to, and the duration. Whether heating foods before canning or sterilising medical devices, there should always be evidence of time and temperature. No matter what industry you are working on, it is always important to check and control the right level of temperature as required. That’s why data loggers are widely used for a variety of applications in almost every profession. However, not every temperature data loggers are made equal, and with so many options available these days, it might be a challenge to choose the right one for your needs. Whether you are a novice or professional user, this guide will show you essential info to make an informed decision.
What Is A Temperature Data Logger?
A temperature data logger is basically a type of data logger which is configured or optimized for temperature sensors or probes. In some cases, humidity and CO2 can also be integrated to record data of these parameters. It is able to collect and store a number of readings at a specific interval. Often powered by batteries, this device can accept one or even more sensor inputs, depending on the requirements. When the acquisition period ends, data could be download into a personal computer for later analysis. Some advanced models can even send the measurement results to a computer or other devices, thus removing the need for a field visit.
There are many types of temperature data logger, which are different in terms of designs, sensors, transmitting methods, and other features. These include:
- Modular temperature data logger
- Handheld multi-channel temperature data logger
- Fixed mount multi-channel temperature data logger
- Bluetooth temperature data logger
- Miniature single-input temperature data logger
Why do we need to purchase buy a temperature data logger?
Temperature is one of the most commonly measured and recorded parameters in many industries. Thus, temperature data loggers are used for many applications in different industries.
1) High-temperature applications
High-temperature conditions such as material and food processing, pasteurisation, or autoclaves require strict control of temperature to prevent sensitive electronics from being damaged or ensure the products reach the right temperature. For example, food canning process should record temperature data to show the evidence that products have reached the minimum temperature to eliminate organisms.
2) Water temperature
Aquariums would benefit from recording water temperature to ensure a healthy and stable environment for fish, which would survive only in specific ranges. Similarly, scientists can access the health of streams or rivers based on water temperature records.
3) Cold chain
In pharmaceutical and food industries, goods should be transported under rigorously controlled conditions to prevent spoilage. Thus, the installation of a temperature data logger would record the conditions to guarantee the integrity and provide evidence for any mishandling claim.
4) Artwork maintenance
Another application of time-stamped temperature record is the transportation and maintenance of artworks. By keep track of the temperature and humidity of the surrounding environment, museums or transportation services can ensure careful treatment.
What To Look For When Buying A Temperature Data Logger?
Here are a few parameters that you should take into consideration to narrow down your shopping list when purchasing a temperature data logger:
a) Speed and memory
Compared to data acquisition systems, temperature data loggers often have lower sampling rates mainly because they record and store data in limited internal memory. Based on your needs and applications, it is necessary to consider the sampling rate and sampling duration to choose a model with the right memory. For instance, if you need to collect readings with a rate of 2 each second and the session should last 2 hours, the device should be able to record 14, readings (2 hours x seconds/hour x 2 samples/second).
b) Data retrieval
Most temperature data loggers use a flash stick or memory card to record the data. Other advanced units allow users to access and download readings directly from their computer via an Ethernet or Wi-Fi connection. The final decision should be based on the connection setup of the facility, as well as the applications.
These days, most temperature data loggers come with analysis and data graphing software packages which allow users to get started easily. You need to choose those units that are highly intuitive to minimise the learning curve. Also, make sure these applications are compatible with your computer’s operating system.
There are many factors determining the cost of a temperature data logger, including the sample rate, configurability, or functionality. The price might range from less than £ 50 for a simple single-channel device to around £ for a mixed input unit. Some loggers with advanced features like wireless connection or high-speed vibration might cost up to £ £ Thus, make sure to find the right option which fits your needs and budget.
Main brands of temperature data logger:
Extech is a part of Flir – one of the largest manufacturer of test and measurement devices. It is well-known for providing high-quality and innovative tools that are used in more than countries.
Based in Germany, Testo is a world leader in the field of stationary and portable measurement tools. Its advanced technology has more than , customers who are using their innovative solutions and precise instruments.
iii. Reed Instruments
Reed Instruments have been manufacturing quality measurement and precision test instruments since Their devices are widely used by safety & health professionals, electricians, HVAC contractors, quality control departments, and industrial maintenance teams. All of their products are supported by 5 calibration laboratories and backed by a 1-year warranty.
Top 5 Best Temperature Data Loggers
1. Reed R Temperature Data Logger Review
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The Reed R data logger can record up to 32, relative humidity and ambient temperature readings. It features an adjustable recording interval for the user, ranging from 1 second to 24 hours. With a large LCD display, you can clearly see all of the current readings. The device also comes with a min/max function which will alert you when the temperature or humidity level reaches or drops to a specific amount. Its real-time clock can store time and date for better search in the future. The package includes a USB cable so that you can directly download data to your PC.
- Humidity range: 0% to %
- Temperature range: C to C
- Record: 32, readings
- Recording interval: 1 seconds to 24 hours
2. Extech SD Temperature and Humidity Data Logger Review
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The SD data logger includes a 2GB SD card, which can be used to record data on humidity and temperature. The recorded info is available in xls or xlsx format to ensure that you can transfer it easily to a personal computer or laptop for analysis. The device is also designed with a dual LCD which can display temperature and relative humidity at the same time. You can choose from a variety of data recording rate to meet your requirements. These include 5s, 10s, 30s, 1m, 2m, 5m, 10m, or auto.
- Dual LCD display
- Data format: xls, xlsx
- Record: 2GB
- Recording interval: 5s, 10s, 30s, 1m, 2m, 5m, 10m, or auto
3. Testo H1 Humidity and Temperature Data Logger Review
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With the H1 humidity and temperature data logger by Testo, you can monitor the transport of many sensitive goods like pharmaceuticals, art, electronics, or foods over unlimited periods. The unit has a capacity of up to 64, values to allow for unlimited storage, while the recording interval ranges from 1 minute to 24 hours. You can get detailed info by connecting the logger to a computer – a report in the pdf format will be generated immediately with all relevant data. The device is compliant with HACCP, CFR, and GxP to ensure safety and efficiency.
- Record: 64, readings
- Unlimited operating time
- Recording interval: 1 minute to 24 hours
- Protection rated: IP30
4. Extech SD Temperature Data Logger Review
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The SD data logger by Extech features a triple LCD that can display three parameters: temperature, relative humidity, and CO2. There are 7 data recording rates, including 5s, 10s, 30s, 1m, 2m, 5m, and 10m. Teach reading is stored in a 2GB SD card in the excel format with a time and date stamp. The unit features a maintenance-free dual wavelength CO2 sensor that can check for the concentrations of the substance in the air. This is useful to ensure air quality in public areas like hospitals, office buildings, and schools.
- Record: 2GB
- Humidity range: 10% to 90%
- Temperature range: 00C to C
- Recording intervals: 5s, 10s, 30s, 1m, 2m, 5m, and 10m
- Triple LCD display
5. Elitech GSP-6 Temperature Data Logger Review
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With extremely sensitive temperature and humidity sensor, the Elitech GSP-6 data logger would quickly obtain and record first-time readings obtain for many applications. It is designed with a inch LCD display with large numbers to allows you to see the results clearly. With the recording interval ranging from 10 seconds to 24 hours, it is simple to choose your needed option. There will be both visual and audible alarm in case of over limit. This data logger can record up to 16, readings which are available in txt, pdf, excel, and word format.
- Data format: txt, pdf, excel, word
- Record: 16, readings
- Temperature range: C to C
- Recording interval: 10 seconds to 24 hours
maplin USB DC Voltage Data Logger
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Seller:dr-blue️(1,)%, Location:Manchester , Ships to: GB, Item:maplin USB DC Voltage Data Logger. USB DC VOLTAGE DATA LOGGER DESIGNED TO RECORD VOLTAGE FROM V MEMO FOR 32, READING DATA CAN BE DOWNLOADED TO PC SOFTWARE VIA USB INTETFACE SAMPLING TIME CAN BE ADJUSTED AND THE DATA CAN BE DISPLAYED IN GRAPH FROM WHIST VIEWING IN PC SOFTEARE THIS PRODUCT SUPPORT WINDOW 7 AND WINDOW 8 OPERATING SYSTEMS SEE PHOTOS PLEASECondition:New other (see details), Condition:Unsealed, Returns Accepted:ReturnsNotAccepted
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Back in , I worked on one idea that had been in my mind since my first graduate job at powerPerfector.
powerPerfector was (before its pre-pack administration) a voltage optimisation technology company that helped buildings to become more energy efficient. By optimising the voltage supply to a building, you can minimise the amount of energy wasted by the buildings electrical devices.
One of the main stages in the sales process was the collection of voltage data at the site. powerPerfector used to post the client a voltage recorder such as a Fluke VR* data logger (logger). However, this process was very slow as it would take a few days for the logger to arrive, a week to collect the data, then a few days to post the logger back, before downloading the data back at pP HQ.
This was a best case scenario: frequently loggers would go missing at client sites, or they would be forgotten about or even sent back with no data on them. In addition, they required quite a lot of up-front investment to procure, meaning that the number of loggers powerPerfector could send out was limited and therefore delays were even greater.
I wanted to build a cheaper data logger with the ability to upload the data recorded directly into the cloud. This would allow much faster data collection and due diligence of sites, but also they could even be left in situ to help building managers ensure that their sites are compliant with power quality regulations.
Finally, leaving a logger in situ that can broadcast the current voltage level (of the lowest voltage part of the site) could have even been used in tandem with a dynamic powerPerfector (previously known as a pP+). The logger could have been used to provide a continuous signal to the control unit of the pP+ so that the voltage level would be best optimised for the whole building.
The working title for my product concept was PowerSensr.
I essentially wanted to build a single phase voltage and power quality logger similar to the Fluke VR* that had the ability to upload data into the cloud in near real-time.
I spoke with an electrical engineer to scope out the most appropriate technologies for what I wanted to do and to get a rough cost per unit. We came up with the following product specs:
- WiFi for connectivity (3G to be investigated during market research but unlikely to be viable due to costs).
- Amazon Web Services for the cloud platform.
- Low internal memory requirements.
- USB connection to be explored for backup purposes.
- Low price point (££) to compete against £ for the Fluke VR*.
- Simple dashboard at first.
- 1 second resolution on the measurements.
We discussed building a prototype, but the guy was too busy to help. However, he suggested that I could build the initial prototype based on Raspberry Pi with some guidance from him. Once the concept was tested I could contract the design from organisations such as Cambridge Consultants if I raised enough funding to pay their fees.
PowerSensr Conceptual Design by Jack Raison,
I was very lucky in getting the initial form concept designed by the award-winning graduate design engineer, Jack Raison.
Jack took the high-level design brief to produce the render of the device in the inset picture (left).
Reviewing the idea
I then used this information to review the suitability of the idea using the New Business Road Map.
First, I scanned the marketplace to assess the competitive landscape. The main competitor was Fluke with their Fluke VR*. It has many features (except cloud-upload functionality), is very robust but is quite pricey at around £ at the time for bulk orders. Also, Fluke have a dominant market position as they are a well-known brand in the sector.
Having spoken to several distributors and resellers of this sort of equipment, I realised that buyers have a major focus on brand and quality for reliability. Building this trust for PowerSensr would be one major obstacle if I decided to move forward. Additionally, Fluke were in the process of launching Fluke Connect to bring cloud connection and monitoring features to some devices. The VR was not one of them at the time, however.
I also spoke to 38 Zeros about their CloudLogger device. This was very interesting, as they operate the devices over the phone network and charge $ for the devices with a 1 year contract of $15 per month (presumably the Nespresso business model of making a loss on the hardware to lower the sticker shock of the purchase price).
CloudLogger is focussed on energy consumption for Building Managers rather than voltage or power quality. Intriguingly, they only emailed the data to the customer rather than providing a dashboard solution as customers often have significant dashboard facilities already for their sites.
Once satisfied that there was nothing on the market that could provide what I wanted, I tested the concept for my product with target customers and organisations that would potentially partner with me to sell it.
The first ones were the distributions and sales organisations for this sort of kit. I was shocked to hear that they would only ever sell about 1 or 2 a month as this was quite a niche bit of kit. He also stated that people only really trust one or two brands in the marketplace, as building services engineers are very particular about their bit of kit.
I also spoke to a Director at a built environment consultancy who I knew from a previous role. He was surprised that I was spending any time on a product in this area, as he thought that nobody really cares about power quality of voltage.
Indeed, Ilian Iliev at EcoMachines Ventures asked me a great question during a conversation at one of his Office Hours that really stuck with me: What is the value of the cake here and how much of a slice will you charge?.
It occurred to me that, although voltage problems will only get worse as RE and switch-mode IT loads get added to the grid, the reality is that most people dont really care about measuring this too much. Therefore, the size of the cake (i.e. the value provided to customers by this solution) was small.
The only real customers I had in mind for this technology were powerPerfector and the rival Voltage Optimisation/Management companies. However, pP went into a pre-pack administration in X and EMS Powerstar went through tough times after a massive collapse in the market.
Additionally, the risk that Flukes Fluke Connect project could encroach on this space seemed like a major risk even if I could build a device that could work at the accepted price point. Their brand awareness would blow me out the water.
I therefore came to the conclusion that this was not a big enough market to chase. In fact, I would even go so far as to state that I had a solution and was looking for a problem. So in late I decided to bin the project.
MadgeTech VoltAV Low Level DC Voltage Data Logger, 10 Year Battery, -8 to +24V Voltage Range
The VoltAV is one of MadgeTech's newest data loggers. It is part of a new series of low cost, state-of-the-art data logging devices. Madgetech has taken the lead in offering the most advanced, low cost, battery powered data loggers in the world today. The VoltAV offers a 10 year battery life, 4Hz reading rate, a multiple start/stop function, ultra-high speed download capability, 1 million reading storage capacity, optional memory wrap, battery life indicator, optional password protection, programmable high-low alarms and more. The VoltAV is priced at $ each and can be delivered from stock now. Our research has shown that the VoltAV is second to no other data logger when it comes to price and performance. Using the MadgeTech software, starting, stopping and downloading from the VoltAV is simple and easy. Graphical, tabular and summary data is provided for analysis and data can in multiple units , using the engineering units function. The data can also be automatically exported to excel for further calculations. As the leader in low power data logger technology, MadgeTech continuously improves its products and develops solutions to meet ever-changing challenges. The VoltAV was designed with our customers in mind. Madgetech offers free firmware upgrades for the life of the product so that data loggers already deployed in the field can grow with new technological developments. Units do not need to be returned to the factory for upgrades. The user can do this automatically from any PC. The VoltAV is available with an extended warranty. Software features: multiple graph overlay, statistics, digital calibration, zoom in/zoom out, full time zone support, data annotation, min./max./average lines, data table view, automatic report generation, summary view, multilingual.
Amazon voltage data logger
There was a feeling that there was a whole regiment in me. When I came to, I was sitting on a bench in my yard, Olesya said, Go home, friend, wash and sleep well. I'll call you tomorrow, find out how you are. A day later, the call rang in the apartment. On cotton feet, I opened the door, Olesya and Veronika were standing on the doorstep.#9 Arduino Data Logger with Direct Input to Excel
The pictures of my future were already looming in front of me, but I was not at all scared. After all, I was waiting for MM to come to me. This happiness did not happen immediately.
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