Sensing and Datalogging for Science Education

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Last updated  5th March 2010                   Sensors           Logbooks           UK PriceLists          Investigations         2010 Catalogue

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Mains Power Monitor

Voltage Sensors(4 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. ±20 volts 
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    resolution 0.05 volts 

  3. ±5 volts 
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    resolution 0.01 volts 

  4. ±1 volts 
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    resolution 0.002 volts 

  5. 5 to - 75 dBu & ±2 AC volts (shown below right)
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    0.1dBu and 4millivolts 

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    The Mains Power Monitor is described HERE 

    Maximum recording frequency with Datadisc is 61 microseconds

These four 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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Current (if circuit resistance is known)

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RMS Voltage

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Resistance  (requires a current sensor)

Typical Investigations

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AC and DC currents

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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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Relationship between power, voltage and current

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Resistance in a circuit

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Induced e.m.f.

 

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