Electricity

Sensitive microphone amplifier for verifying ultrasonic waves in conjunction with an ultrasonic transducer (416 000) as a receiver. Housing with battery compartment and switch jack (safeguarded against incorrect polarity) for connection of the plug-in power unit (562 791). Battery (685 45)...

For the halogen lamp housing (450 64)

Technical Data •Amount: 1 •Voltage: 12 V •Current: 8.3 A •Power: 90 W •Socket: G 6.35-15 •Luminous flux in lm: 1800 •Service life in h: 1500 •Note: Halogen lamp

Extremely bright light source with versatile application, made possible by a novel, double-lamp insert: with a 90 W lamp (450 63) and built-in reflector for projection and illumination, and with a 50 W lamp (450 68) as a light source with low divergence, for investigating light ray paths....

Power Supply Unit For Xenon Lamp

Technical Data Output voltage: 13.5 V Residual waviness: 150 mVPP Output current: max.: 22 A Connection voltage: 100 ... 240 V / 50 ... 60 Hz Primary fuse: T 3.15 Dimensions: 30 cm x 15 cm x 24 cm Weight: 2.5 kg

For observing line spectra from various noble gases and metal vapours. High luminance and spectral purity. Technical Data •Socket: Pico 9 (pin socket) •Filling: Ne •Operating current in A: 1,0 Additionally required: Housing for spectral lamps 451 16 Universal choke 451 30

For observing line spectra from various noble gases and metal vapours. High luminance and spectral purity.

Technical Data •Socket: Pico 9 (pin socket) •Filling: He •Operating current in A: 1,0

Additionally required: Housing for spectral lamps 451 16 Universal choke...

For observing line spectra from various noble gases and metal vapours. High luminance and spectral purity.

Technical Data •Socket: Pico 9 (pin socket) •Filling: Cd •Operating current in A: 1,0

Additionally required: Housing for spectral lamps 451 16 Universal choke...

Complete with permanently mounted lamp socket, provided with a stand rod for mounting of the lamp to either the power supply unit itself or to an optical bench.

Technical Data •Open-circuit voltage: 3500 V rms approx. •Power rating: 70 VA •Fuses: T 1.25 B •Mains voltages:...

For interferometer set up to the Zeeman effect, high parallel glass plate, two-sides semireflecting metal-coated, incline of the etalon to the optical axis is changeable by adjusting screws, on rod.

Technical Data •Diameter: 25 mm •Depth: 4 mm •Reflection coefficient: 0.85...

For measuring the velocity of light by means of light impulses which are reflected back on themselves and imaged on a receiver diode via a beam divider. The time difference is measured using an oscilloscope. The instrument is integrated in a metal housing and is provided with a rod for set-up on...

Supply unit for NMR (nuclear magnetic resonance).

Technical Data •Rf-output and measuring input for operation of the rf-coil: BNC socket •Output for modulation of the magnetic field: 4-mm safety sockets •NMR-signal output: BNC socket •Signal output with phase-shifted...

For the demonstration of the nuclear magnetic resonance in various samples, consisting of pole shoes and measuring chamber with rf coil, used together with the NMR supply unit (514 602).

Technical Data •Electrical connections: coaxial cable with BNC plug at the measuring chamber 4-mm...

For supplying experiment lamps (450 60 ) and (450 64 ), or as general-purpose supply unit for practical experiments. With automatic circuit breakers for all outputs.

Technical Data •Output voltages: 2/4/6/8/10/12 V AC via safety sockets •Maximum load capacity: 10 A •Connection...

Power supply unit for continuously adjustable DC and AC voltage. All outputs with overload protection by means of overcurrent circuit breakers, thus particularly suitable for students' experiments. Additionally equipped with two fixed-voltage outputs.

Technical Data •Output voltage:...

Power supply unit with high load capacity for continuously adjustable DC and AC voltage. All outputs with overload protection by means of automatic circuit breakers, thus particularly suitable for students' experiments. Additionally equipped with two fixed-voltage outputs. All outputs...

High-performance ring-core isolating transformer which electrically isolates the consumer circuit from the power mains. Protection device for limiting the starting current. With analog RMS meter for indicating the output voltage. Technical Data •Output voltage:0 to 250 V AC,...

Extremely high-performance extra-low voltage power supply, can also be used as a constant-current source and thus as a substitute for batteries. For use e.g. as a current source for the Hall effect in metals, for generating strong magnetic fields or in the field of power electronics. Stabilized...

Extremely high-performance extra-low voltage power supply, can also be used as a constant-current source and as a delta current generator. Can be deployed e.g. for generating a current which rises and falls linearly over time for experiments on the relationship between the induced voltage and the...

Particularly suitable for supplying electron tubes and fine beam tube. Two mutually independent, continuously adjustable short-circuit proof DC voltages with extremely low ripple, additionally equipped with one floating, fixed-voltage output and one variable DC voltage for heating-voltage supply....

Earth-free high-voltage source with center tap, continually adjustable or controllable via an external voltage, for electrostatic experiments, Wulf electroscope, experiments on radioactivity, as well as operation of spectral tubes, gas discharge tubes and field-emission microscope. With built-in...