Data logger samples measurment up to 100000 per second
May 2000
Data Acquisition & Telemetry
Measurement & Control Solutions
The Datataker DT800 is a high-speed standalone, microprocessor-based and battery-powered data logger that measures inputs from the most commonly used sensors. It stores data in the format of the user’s choice, and can download data to a computer via RS232C, modem, radio, satellite links, USB (universal serial bus) and Ethernet.
Software is provided for communication between a computer and the data logger. In addition, enhanced Windows-based application software allows quick and efficient programming of the device and provides an immediate visual presentation of data in the form of simple trend charts. This gives operators faster access to information and results as they occur.
The data logger has the ability to sample measurements ranging from one per hour up to 100 000 per second. For high-speed burst mode sampling, the DT800 has digital oscilloscope-like triggering and frame storage. It stores up to 750 000 data points internally. For extended and/or remote operation, plug-in memory cards increase the number of collected data points by 250 000 per MB.
To enhance its reliability, the data logger has built-in, self-correcting features. In the event of a mishap, it will automatically restart itself and any attached equipment using internally stored programs. New event management facilities provide speedy performance analysis of machinery or other applications being monitored by the data logger. Easy identification of cause and effect within the application is achieved by rapid sampling across many channels. The device also has digital outputs to control equipment or sound alarms in response to input conditions. All data is in engineering units.
The DT800 stores its operating system in flash memory, and data manipulation includes statistical functions, calculations and sensor calibration. Statistical and linear sensor functions and cross-channel calculations reduce data in realtime. The device has 32 bit counters, 200 calculation channels, 200 alarm channels, and measures DC voltages, resistances and frequencies. Accuracies are within 0,02% for voltage and 0,04% for resistance, at 25°C. The unit can operate from -20 to +60°C.
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