Until fairly recently, chart recorders were used to create a record of varying data over a specified period of time. These mechanical devices can operate either with electrical power or via wind-up spring motors. Sometimes, these are still the best devices for the job. But, in large part, they have been replaced by data logger devices.
Data loggers are purely electronic devices that can gather data via their own built-in sensors, or via external sensors. Generally speaking, they’re portable, battery-powered, and make use of an on-board microprocessor. Stand-alone logging devices could have built-in keyboards and displays. Alternatively, they could hold data in memory, so that they may be later retrieved via a regular computer. Data may be displayed on a computer either via an Excel spreadsheet or graph, or via the logger’s own proprietary software. Some models have wireless capabilities, which would enable them to send constant streams of data back to the home base.
Perform a web search, and you’ll be able to find a wide range of data logger. Prices range from the very inexpensive, to the very big-budget. There are plenty of vendors, peddling devices for pretty near any type of data that you’d like to track.
Many sellers have prominent store-fronts on the web, and sell a large range of logging devices. Network technicians, weather researchers, electricians, homeowners, and more can find something that they can use. There’s something to be found for pretty much everybody and his brother.
A homeowner might be interested in energy audit and monitoring devices. There are several different types, including one type that can measure the power draw of an electrical appliance. Then, it’ll automatically calculate the annual energy cost for that appliance. Another type of monitoring kit will allow a homeowner to keep an eye on room temperature throughout the house.
Logging devices for industrial or small business use include monitors for HVAC, greenhouses, refrigeration units, or air quality. Air quality monitors can keep a constant check on levels of atmospheric carbon dioxide, carbon monoxide, or other gasses. Use these in closed spaces, where there may be a danger that these gasses may accumulate.
The use of automotive data loggers may benefit fleet operators, such as trucking or taxi cab companies. These compact devices can be connected to a vehicles’s OBD-II port. They’re useful for monitoring engine performance, fuel economy, and how the vehicle is being operated. Devices with built-in wireless capabilities allow operators at the home base to see real-time data on how the vehicles are being operated. There’s also a class OBD-II devices for auto mechanics, to help them diagnose engine problems.
Weather researchers will find several different monitoring solutions. There are devices for measuring specific weather data, such as temperature, soil moisture content, rainfall, or wind. Complete weather monitoring stations can log many different kinds of weather data.
Operators of mines or grain elevators, where combustible gas or dust may be a problem, would want to use an “intrinsically safe” monitoring device. These devices are guaranteed not to produce sparks that could cause an explosion.
When purchasing a monitoring solution, you’ll need to inquire about what is included in the purchase price. Often, the required sensors aren’t included in the price of the logging device itself. So, you’d have to buy them separately.
Our qualified technicians have over 30 years of experience in providing instrument calibration services and full service repair. We provide a wide range innovative technical solutions, including data logger, humidity sensors, and pressure transducer.
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