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Until fairly recent years, you would have used some sort of a chart recorder to record a set of ever-changing data for a given time interval. These mechanical devices can work with either a wind-up spring motor, or with an electrical motor. Sometimes, these devices may still be the most suitable for a given job. Largely, though, they’ve been replaced by data logger devices.

Data loggers are electronic devices that can have either their own built-in sensors, or the capability to connect to external sensors. Generally, they’re battery-powered, small, and have an on-board microprocessor. Some can stand alone, with their own displays and keyboards. Others can hold data in memory for later retrieval, usually by connecting it to a computer. On a computer, data may be either displayed via proprietary software, or via an Excel spreadsheet or graph. Newer devices may also have capabilities for wireless communications, allowing them to send constant streams of data to a base station.

Take a look on the web, and you’ll find a wide range of data loggers, from the very inexpensive to ones that cost thousands of dollars. You’ll find many different vendors, selling devices for just about any type of data that you can imagine.

Many vendors have prominent web-front stores, and sell a very large range of devices. There are devices for use by homeowners, electricians, weather researchers, network technicians, etc. It would seem that there’s something there for pretty much everyone.

For homeowners, an energy audit or monitoring device may be useful. Several different types are on the market, including a type that can measure how much power that an electrical appliance draws, and then calculate its annual cost of operation. Another type of monitoring kit will let a homeowner to keep a constant surveillance on rooms temperatures 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.

Taxi cab companies, trucking companies, or any other fleet operator, could benefit from using automotive data loggers. These small devices, when connected to a vehicle’s OBD-II port, can track many different data. They can monitor fuel economy, engine performance, and how the driver is operating the vehicle. Devices with wireless capabilities can allow an operator at a base station to view real-time data as a vehicle is being driven. An auto mechanic can use OBD-II devices to help diagnose engine problems.

For weather researchers, there are several types of monitoring solutions. Some are monitors for specific weather data, such as wind, temperature, humidity, soil moisture content, or rainfall. There are also complete weather monitoring stations, which can monitor multiple types 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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