3520_0 - Sharp Distance Sensor (4-30cm)

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3520_0 - Sharp Distance Sensor (4-30cm) This popular sensor made by Sharp produces an analog output that varies from 3.1V at 4cm to 0.3V at 30cm.
3520_0 - Sharp Distance Sensor (4-30cm)

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  • 3520_0 - Sharp Distance Sensor (4-30cm)

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Product Features


Using reflected IR light, measure the distance of an opaque object 4-30cm away. Requires an IR Distance Adapter to be used with Phidgets.
 
Product Description

This popular sensor made by Sharp produces an analog output that varies from 3.1V at 4cm to 0.3V at 30cm.

Based on "typical values" from Sharp, the formula to translate SensorValue into Distance (the formula is only valid for a SensorValue between 80 to 530) is:

Distance (cm) = 2076/(SensorValue - 11)

This sensor can find the distance to objects that present a very narrow edge such as a wall at a very sharp angle.

Note: The output of this sensor will vary from unit to unit, and based on the characteristics of the target (reflectance, size, direction of motion, object alignment, ...). If you find that you are not getting good results with the standard formulas, you may want to derive your own formula to better characterize your situation.



This sensor connects to:

The sensor plugs in the 1101 - IR Distance Adapter using the 30cm interface cable that comes with the 1101.


Functional
Accuracy Graph

 

Functional
All measurements are based on data provided by Sharp who used an r-27 calibration card, 90% reflectance. Based on our formula, we have calculated a minimum and maximum distance with the card at minimum and maximum distance.
 

Related Products

 

We also carry two other Sharp distance sensors for longer distance ranges.



Resources

 

If you are not getting good results with the standard formula, have a look at the product datasheet which has good notes on what can affect the sensor's performance



Product Specifications

 

Sensor Properties

Sensor Type Distance (Infrared)
Sensor Output Type Ratiometric
Measurement Distance Min 40 mm
Measurement Distance Max 300 mm
Response Time Max 50 ms

 

Electrical Properties

Supply Voltage Min 4.5 V DC
Supply Voltage Max 5.5 V DC
Current Consumption Max 50 mA

 

Physical Properties

Weight 3.5 g
Operating Temperature Min -10 °C
Operating Temperature Max 60 °C

Additional Information

SKU ES000176
Manufacturer Phidgets

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