Sensing and Datalogging for Science Education

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Last updated  11th March 2010                   Sensors           Logbooks           UK PriceLists          Investigations         2010 Catalogue

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Current Sensors (5 models)

This sensor will give an accurate reading of voltage in any circuit configuration with a supply voltage of less than 20Volts.

  1. Logger compatibility :ScienceScope Type 3 (Click for details)

  2. ±10 Amps
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    resolution 0.02 Amps

  3. ±1 Amps
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    resolution 0.002 Amps

  4. ±100 m Amps
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        resolution 0.2 milliAmps

  5. ±1 m Amps
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        resolution 0.002 milliAmps

  6. -10 to + 20 m Amps

This is designed for use with a 20 mA current loop output device. To calibrate for measured units use the Datadisc Setup Menu > Calibrate subMenu

Maximum recording frequency with Datadisc is 50 microseconds

These five sensors allow all possible types of investigation to be carried out:

Voltage and current sensors can be used together anywhere in a circuit with a supply voltage of up to 24 Volts with no interference between sensors. All work from DC to 10KHz.

Derived Sensors

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Power

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Energy

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Voltage (if circuit resistance is known)

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RMS Current

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Resistance  (requires a voltage sensor)

 

Typical Investigations

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Current and voltage in a diode

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Current and voltage in a filament bulb

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Current and voltage in a LDR

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Current and voltage in a resistor

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Current and voltage in a thermistor

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Energy consumption

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Heat in a resistor

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Relationship between power, voltage and current

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Relationship between steady current, charge and time

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Resistance in a circuit

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AC current-generator

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Force on a current-carrying wire in a magnetic field (Lorentz force)

 

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