REPLACEMENTS

Optical rider for K-model optical benches (U8475337 and U8475336). With two clamps for diaphragms from the Kröncke optical system or for plates up to 2 mm thick. Dimensions: approx. 40x50x35 mm³ Weight: approx. 70 g more

Halogen lamp in cylindrical housing attached to diaphragm screen (100x100 mm²) for mounting on K-model optical riders (U8475350). The filament can be aligned horizontally or vertically. Halogen lamp: 12 V, 20 W Terminals: 4 mm safety sockets ... more

Simple transformer for student exercises. Short circuit proof, with connection leads and two cascadable 4 mm safety plugs. Safety transformer conforming to EN 61558-2-6 Safe isolation between power supply and output circuits Specifications ... more

Simple transformer for student exercises. Short circuit proof, with connection leads and two cascadable 4 mm safety plugs. Safety transformer conforming to EN 61558-2-6. Safe isolation between power supply and output circuits. Specifications ... more

Tough clamp for diaphragms, filters, diffraction objects and other objects in a slide frame. On diaphragm screen 100x100 mm². Clamping range: 0.2 – 4 mm Dimensions: 100x100 mm² Round opening: 38 mm dia. more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Convex lens made of high-quality optical ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Convex lens made of high-quality optical ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Convex lens made of high-quality optical ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Convex lens made of high-quality optical ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Convex lens made of high-quality optical ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Concave lens made of high-quality ... more

This optical component is part of the optics experiment set according to Kroencke (item no.: 1009932 / 1009931). The Kroencke philosophy focuses on independent and safe experimentation by students. Concave lens made of high-quality ... more

Fresnel mirror with holder for use on K-model optical benches (U8475260, U8475240 or U8475230). Two mutually inclined surface-coated mirrors are bonded to a common metal plate. A knurled screw at the rear can be used to adjust the angle between ... more

Photographic diffraction object in a slide frame. Single slit widths: 0.075 / 0.15 / 0.4 mm Double slit width: 0.1 Double slit spacing: 0.5 mm Dimensions: 50x50 mm² more

Micrometer screw with fine tip for measuring diffraction and interference lines. Holder fits the optical rider K (U8475350). Dimensions: approx. 80x30x60 mm³ Weight: approx. 120 g more

Photographic diffraction objects in a slide frame. Dimensions: 50x50 mm² Diameter: 0.1 – 1.8 mm more

Photographic diffraction objects in a slide frame. Dimensions: 50x50 mm² Diameter: 0.1 – 1.8 mm more

Continuously adjustable slit on diaphragm screen 100x100 mm². The slit width can be adjusted by means of a micrometer screw. Slit width: 0 – 3 mm Slit height: 25 mm Dimensions: 100x100 mm² Weight: approx. 240 g more

Slide with a triple and a quintuple slit arrangement for mounting in N-model object holder (U8470350) or in the slide slot of the N-model parallel light optical lamp (U8478080-230 or U8478080-115) to use in optical experiments requiring multiple ... more

The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

Plug-in power supply with 5.5x2.1-mm co-axial power connector. Safety transformer conforming to EN 61558-2-6 Safe isolation between power supply and output circuits Specifications: Voltage: 12 V AC Max current: 500 mA ... more

Plug-in power supply with 5.5x2.1-mm co-axial power connector. Safety transformer conforming to EN 61558-2-6. Safe isolation between power supply and output circuits. Specifications: Voltage: 12 V AC Max current: 700 mA ... more

Replacement wick for the Alcohol Burner. more

Flexible optical fibre 660nm for red laser light. Replacement part for 3B Laser 1017713 & 1004916 more