Sensing and Datalogging for Science Education

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Last updated 15th July 2008                    Sensors           Logbooks           PriceLists          Investigations         2008 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 

    resolution 0.05 volts 

  3. ±5 volts 

    resolution 0.01 volts 

  4. ±1 volts 

    resolution 0.002 volts 

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

    0.1dBu and 4millivolts 

    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

Power

Energy

Current (if circuit resistance is known)

RMS Voltage

Resistance  (requires a current sensor)

Typical Investigations

AC and DC currents

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

Relationship between power, voltage and current

Resistance in a circuit

Induced e.m.f.

 

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