Sensing and Datalogging for Science Education

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Last updated 31st July 2008                    Sensors           Logbooks           PriceLists          Investigations         2008 Catalogue

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Resistance Sensor

Values are derived from a Current Sensor with a Voltage Sensor working together, and using Datadisc Pt.

Current Sensors

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

  2.  ±10 Amps

    resolution 0.02 Amps

  3. ±1 Amps

    resolution 0.002 Amps

  4. ±100 m Amps

        resolution 0.2 m Amps

  5. ±1 m Amps

        resolution 0.002 m Amps

Voltage Sensors

  1. ±20 Volts

    resolution 0.05 Volts

  2. ±5 Volts

    resolution 0.01 Volts

  3. ±1 Volts

    resolution 0.002 Volts

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.

Typical Investigations

Current and voltage in a diode

Current and voltage in a filament bulb

Current and voltage in a LDR

Current and voltage in a resistor

Current and voltage in a thermistor

Energy consumption

Heat in a resistor

Relationship between power, voltage and current

Relationship between steady current, charge and time

Resistance in a circuit

AC current-generator

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

Induced e.m.f.

 

 

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