CR-100 Rain Gauge
Overview
Designed for municipal and meterological reporting applications, the Model CR-100 Rain Gauge accurately measures rainfalls from 0.01 inch to ten inches per hour. The high accuracy measurement capabilities and potential for feature add-ons makes the CR-100 Rain Gauge an instrument suitable to:
- Municipalities, radio and TV weather stations that need to report accurate rainfall measurements to others
- Emergency service and response agencies that need to predict potential flooding conditions
- Recreational companies that need to predict river flow problems
- Farming businesses that need to accurately determine field irrigation needs
Data Sheet
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Accuracy
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Generates one 0.05 second switch closure per 0.01" rain
Accurate to 10" per hour.
+/- 1 count per inch of rain
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Measurements
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17” high x 10” wide x 3 in deep polycarbonate NEMA 4 enclosure
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Resolution
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0.01", accuracy 1% below 4" per hour
2% above 4" per hour
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Dumping
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By special solenoid. Assures non-clogging fast flow.
Programmed to automatically self dump for 4 seconds every 23 outputs
Accepts instructions to dump from an RTU
Manually dumps by pushbutton.
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Power
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Requires 12V DC battery
Solenoid draws a maximum of 4 amps from 12V battery to dump
Control draws <40mA
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Operates indepedently for external readouts or can feed pulses to an external terminal.
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Intended for reasonably pure rain water, under 100 microhms. Heavy mineral content should be avoided.
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