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Determining the velocity of light using a periodical light signal at a short measuring distance /
Light transmitter and receiver

Light transmitter and receiver

476301

4 Light transmitter and receiver

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Description

For measuring the velocity of light and also the refractive indices of optically transparent liquids as well as optically transparent solids using an electronic modulation method. The light only needs to travel short distances (a distance of just 2.5 m between the transmitter and the receiver provides measured values with an accuracy of ± 1%). Fig.: 476 30 with 300 11

Technical data

Light transmitter:
Transmitter: light-emitting diode (red, 670 nm)
with condenser
Modulation frequency: 60.0 MHz ± 5 kHz
Power supply: via cable from power supply of the receiver
Dimensions: approx. 12 cm x 7 cm diam.
Rod: 10 mm diam., 115 mm length
Weight: 0.8 kg
Receiver and power supply unit:
Sensor: silicon PIN photodiode
Output voltage:
reference channel approx. 2 V_pp
working channel approx. 2 V_pp
Signal-to-noise ratio: 46 dB
Load resistor: higher than 2 kΩ
Mains supply: 115/230 V, 50/60 Hz
Power consumption: 15 VA
Fuses: for 230 V: T 0.125 B, for 115 V: T 0.2 B
Dimensions: 21 cm x 20 cm x 23 cm
Weight: 3.5 kg

Scope of delivery

1	Light transmitter with condenser
1	Receiver with power supply unit
1	BNC cable, 6 m
2	BNC cables, 2 m

Related Documents

PDF (Instruction Sheet)	[476 301] Light transmitter and receiver
PDF (Experiment description)	P5.6.3.1 Determining the velocity of light using a periodical light signal at a short measuring distance
PDF (Experiment description)	P5.6.3.2 Determining the velocity of light in various materials

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Light transmitter and receiver

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