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CS410-L Shaft Encoder
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Overview

The CS410 is a shaft encoder that measures water level for Campbell Scientific data acquisition systems. It connects directly to our dataloggers; a QD1 interface is not required. All of our dataloggers are compatible.

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Benefits and Features

  • Measures water level in stilling wells
  • Rugged enough for harsh environments
  • Low power consumption
  • Connects directly with our data loggers (no interface required)
  • Compatible with most Campbell Scientific data loggers

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Detailed Description

The CS410 consists of a pulley attached to a float and counter-weight that rotates as water level rises or falls. When the pulley rotates, the CS410 sends two pulse strings to the datalogger. The datalogger records the pulse strings, and calculates water level by adding or subtracting the clockwise or counter clockwise movement to a running total. The encoder's resolution is 100 counts per shaft revolution, so a 1-foot circumference pulley has a resolution of 0.01 feet.

A complete measurement system requires a float, pulley, float tape or beaded float line, end hooks, appropriate-sized counter weight, and datalogger. See the Ordering Information on the web page for products that are available from Campbell Scientific.

Specifications

Thread Count 24 per in.
Resolution 100 counts/revolution
Starting Torque < 0.125 inch-ounces
Power Supply 4 to 5.6 V
Current Drain 0.5 mA
Minimum Time between Input Transitions 0.75 ms
Output Pulse Width 0.25 ms (at 25°C)
Signal Magnitude 0 (low), supply voltage (high)
Shaft Outer Diameter 0.8 cm (0.3125 in.)
Dimensions 18 x 12.4 x 10 cm (7 x 4.875 x 4 in.)
Weight 0.82 kg (1.8 lb)

Compatibility

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.

Dataloggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR10 (retired)
CR1000 (retired)
CR1000 (retired)
CR1000 (retired)
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR800
CR850
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Data Logger Considerations

The CS410 is measured by two pulse count channels on the data logger; one channel counts "up" pulses, the other counts "down" pulses, and then water level is determined in the data logger. Although all of our data loggers are capable of measuring the CS410, the larger data loggers generally exceed application requirements because CS410 installations are typically remote and usually aren't measured with many other sensors.

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