Product category:
Telemetry, data acquisition + loggers
News Release from: Campbell Scientific | Subject: CR850
Edited by the Processingtalk Editorial
Team on 24 January 2007
Data logger with integral keyboard
display
Campbell Scientific has introduced a new data logger into their range: the CR850 boasts an integral keyboard display to simplify onsite calibration, programme changes and data display
Campbell Scientific has introduced a new data logger into their range The CR850 shares the same high specification as its stable mates and boasts an integral keyboard display to simplify onsite calibration, program changes and data display
This article was originally published on Processingtalk on 3 Feb 2006 at 8.00am (UK)
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The new CR850 offers everything you would expect from a Campbell Scientific datalogger - low power consumption, precision measurement capabilities, rugged construction and a wide temperature operating range.
The unit can be powered from any 12Vdc source and several options are available from Campbell Scientific, including the PS100E rechargeable battery which can be float charged from an ac power source or solar panel.
Two Mbytes of battery backed SRAM are available with data stored in a table format.
Designed to function in harsh environments the CR850 has a standard operating range of -25 to +50C, extendable to -55 to 80C.
The environmental housing of the logger itself offers protection from humidity and most contaminants.
Three differential (six single-ended) analogue and two pulse channel inputs are provided.
Two switched voltage excitation outputs provide precision excitation voltages for resistive bridge measurements.
The four digital I/O ports are used for frequency measurements, digital control and triggering; three of these can also be used to measure SDM devices; pairs of ports can be used for the connection of RS232 sensors.
An RS232 port provides direct connection to a PC or laptop.
Channel expansion is possible via SDMs (Synchronous Devices for Measurement) which expand the logger measurement and control capabilities.
The logger can also control several multiplexers increasing the number of sensors the logger can measure.
Typical applications for the CR850 are wireless sensor/data logger networks, wind profiling, vehicle testing, long term climatological monitoring, routine weather measurement, meteorological research, air quality, agriculture, soil moisture, time domain reflectivity, water levels/stage, aquaculture, water quality, avalanche forecasting, snow science, fire weather, geotechnical, historical preservation.
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