替代品

高度：35 mm 焦距: ＋200 mm 规格: 直径 200 mm 更多

高度:35 mm 规格 : S = 200 mm, 200 mm, 283 mm 更多

带有固定器的槽形砝码，用于装置U52004的力的分解。它包括3套： 2 5 g,2 10 g, 2 20 g, 2 50 g 砝码和1 50 g的固定器。 更多

附加的滑轮带有扣紧的夹子、线绳和50 g 用于砝码悬挂的挂钩，包括2 5 g, 2 10 g, 2 20 g, 2 50 g。这些砝码都是用于U52004演示力的工作台。 更多

Spare balls for the free fall apparatus (item no: 1000738) and launcher S (item no: 1000740). 更多

This product is a component of the 'Mechanics Kit for Whiteboard' (item no.: 1000735). Aluminium block with a teflon-coated surface and 2 hooks. Dimensions: 55 mm × 50 mm × 25 mm 更多

Aluminium ring with a blade for determining the surface tension of liquids. Includes a hook and three threads for suspension from a dynamometer. The tear-off force in liquids is easy to determine, which is why students can conduct the experiment ... 更多

This product is part of the STUDENT Kit Acoustics (item no.: 1000816) Lip whistle for experiments on pitch as a function of resonance space. Closed wooden whistle with a round cross-section and movable piston, chromatic range from g1 ... 更多

This product is part of the STUDENT Kit Acoustics (item no.: 1000816) Metallophone for demonstrating a C major scale from c¹ to g². Note labels, frequencies and frequency ratios are printed on the instrument. With striking ... 更多

This product is part of the STUDENT Kit Acoustics (item no.: 1000816) Tuning fork that allows for plotting oscillations on a sheet of paper. The oscillation is triggered by pushing the prongs of the fork together. The oscillation of ... 更多

This product is part of the STUDENT Kit Acoustics (item no.: 1000816) A wooden box open at both ends, with a clamping mechanism for a string to demonstrate the relationship between pitch and string length and the dependence of pitch ... 更多

This optical component is part of the Student Kits Optics (item no.: 1000734 / 1008531). Convex lens made of high-quality optical glass. Framed in a cover with magnetic base. Shatterproof and impact-resistant design. 更多

This optical component is part of the Student Kits Optics (item no.: 1000734 / 1008531). Convex lens made of high-quality optical glass. Framed in a cover with magnetic base. Shatterproof and impact-resistant design. ... 更多

This optical component is part of the Student Kits Optics (item no.: 1000734 / 1008531). Convex lens made of high-quality optical glass. Framed in a cover with magnetic base. Shatterproof and impact-resistant design. ... 更多

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Object holder with magnetic base to accommodate optical apertures in slides (50x50 mm2), e.g. single slit N (U8470870) or triple/quintuple slit N (U8478110). 更多

Metal rail with millimetre scale and guide slots for accommodating optical components on a magnetic base. Dimensions: 400x75x10 mm³ Weight: 230 g approx. 更多

Single slit slide for mounting in N-model object holder or in the filter slot of the N-model parallel light optical lamp to use in optical experiments requiring a tight single beam. Dimensions: 50x50 mm² 更多

Optical bench made of black anodised aluminium profile with printed millimetre scale. Cross-section: 70x30 mm² approx. Length: 500 mm Weight: 0,6 kg 更多

Optical bench made of black anodised aluminium profile with printed millimetre scale. Cross-section: 70x30 mm² approx. Length: 1000 mm Weight: 1,2 kg 更多

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 更多

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 ... 更多

适用于学生练习用的简易变压器，具有短路保护功能，包含连接导线 和两个可堆叠的4mm安全插头。 • 安全特低电压（SELV）和功能特低电压（FeLV） • 安全变压器符合EN 61558-2-6 • 电源和输出电路之间的安全隔离 市电电压:  230 V (±10 %), 50/60 Hz 输出： 12 V AC，最大2 A 规格： 约 110 x 95 x ... 更多

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. 更多

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 ... 更多