替代品

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 ... 更多

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 更多

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 更多

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

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

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 更多

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 ... 更多

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 ... 更多

带恒温器的电热室。在漆金属外壳上有两种观察窗，用弹簧夹打开温度计和隔热的搬运手柄。 前观察窗： 约 230 x 160 mm 加热功率： 400 W 温度范围： 160 – 240°C 温度恒定： ±5°C 规格： 160 x 150 x 240 mm 重量： 约 3.5 kg 更多

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 ... 更多

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 ... 更多

Replacement wick for the Alcohol Burner. 更多

Spare lamp for W30600, W30605, W30610 更多

Accessories for the polarisation microscopes and microscopes model 400 and 500 更多

Accessories for the stereo microscopes 20x and 40x 更多

用我们结实的防尘罩保护好您的投资。适用于所有骨骼架和基架。黑色。 更多

Refill kit for 1022412/W56621. Kit Includes: 4 Simulated Blood Samples Donor #1 Donor #2 Donor #3 Donor #4 1 bottle Simulated anti-A serum 1 bottle Simulated anti-B serum 1 bottle Simulated anti-Rh serum ... 更多

Refill kit for 1022414/W56622. Kit Includes: 4 Simulated Blood Samples Mother Child Sample X Sample Y 1 bottle Simulated anti-A serum 1 bottle Simulated anti-B serum 1 pkg toothpicks 更多

Replacement metal pole for use with pelvic mounted skeletons. Use with the following skeletons: A10. A11,A12, A13, A15. 更多

组件包括螺钉、支架、垫圈、销和钩 更多

组件包括螺钉、支架、垫圈、销和钩 更多

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