Air Quality
The CR1000 can monitor and control gas analyzers, particle sam-
plers, and visibility sensors. The datalogger can also automatically
control calibration sequences and compute conditional averages
that exclude invalid data (e.g., data recorded during power failures or
calibration intervals).
Road Weather/RWIS
Our fully NTCIP-compliant Environmental Sensor Stations (ESS) are
robust, reliable weather stations used for road weather/RWIS ap-
plications. A typical ESS includes a tower, CR1000, two road sensors,
remote communication hardware, and sensors that measure wind
speed and direction, air temperature, humidity, barometric pressure,
solar radiation, and precipitation.
Water Resources/Aquaculture
Our CR1000 is well-suited to remote, unattended monitoring of
hydrologic conditions. Most hydrologic sensors, including SDI-12
probes, interface directly to the CR1000.
Typical hydrologic measurements:
Water level is monitored with incremental shaft encoders, double
bubblers, ultrasonic ranging sensors, resistance tapes, strain gage
pressure transducers, or vibrating wire pressure transducers. Vi-
brating wire transducers require an CDM-VW300-series, AVW200-
series or another vibrating wire interface.
Well draw-down tests use a pressure transducer measured at
logarithmic intervals or at a rate based on incremental changes
in water level.
Ionic conductivity measurements use one of the switched
excitation ports from the datalogger.
Samplers are controlled by the CR1000 as a function of time,
water quality, or water level.
Alarm and pump actuation are controlled through digital I/O
ports that operate external relay drivers
Vehicle Testing
This versatile, rugged datalogger is ideally suited for testing cold and
hot temperature, high altitude, o-highway, and cross-country per-
formance. The CR1000 is compatible with our SDM-CAN interface
and GPS16X-HVS receiver.
The CR1000 can measure:
Suspension—strut pressure, spring force, travel, mounting point
stress, deection, ride.
Fuel system—line and tank pressure, ow, temperature, injec-
tion timing.
Comfort control—ambient and supply air temperature, solar
radiation, fan speed, ac on and o, refrigerant pressures, time-to-
comfort, blower current.
Brakes—line pressure, pedal pressure and travel, ABS, line and
pad temperature.
Engine—pressure, temperature, crank position, RPM, time-to-
start, oil pump cavitation.
General vehicle—chassis monitoring, road noise, vehicle position
and speed, steering, air bag, hot/cold soaks, wind tunnels, traction,
CANbus, wiper speed and current, vehicle electrical loads.
Other Applications
Eddy covariance systems
Wireless sensor/datalogger networks
Fire weather
Geotechnical
Mesonet systems
Avalanche forecasting, snow science, polar, high altitude
Historic preservation
A turbidity sensor was installed in a tributary of the Cedar River water-
shed to monitor water quality conditions for Seattle, Washington.
Vehicle monitoring includes not only passenger cars, but airplanes,
locomotives, helicopters, tractors, buses, heavy trucks, drilling rigs,
race cars, and motorcycles.
(8 pagine)
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