Product Overview
- Type: Goniometer-type laboratory spectrometer.
- Rotation & scales: 0–360° rotation, 1° graduations, and 0.1° vernier for precise angular readings.
- Collimator: Spring-loaded support with adjustable slit and achromatic converging lens (178 mm focal length); lens tube hand-adjustable to place slit in the focal plane. Collimator scale ~170 mm diameter with lock.
- Prism table: 175 mm diameter circular degree scale, three leveling screws, marked placement lines, and clamping screw. (Prism sold separately.)
- Telescope: Astronomical-type telescope with achromatic objective and Ramsden eyepiece with crosswires, mounted on heavy bearings with clamping screw and tangent screw for fine adjustment; vernier reads to 0.1°.
- Construction: Heavy castings for stability and precision.
- Dimensions & weight: 11 × 12.2 × 16.5 in (H × W × D); 10.9 lb.
- Includes: Prism clamp, diffraction grating holder, screwdriver, Tommy bar, storage box, and instructions.
This laboratory-grade goniometer spectrometer is built for accurate, repeatable measurements in teaching and research labs. The combination of a 0.1° vernier, tangent screw fine adjustment, and robust cast-iron construction provides dependable performance for wavelength determination, refractive index work, and advanced student experiments.
Ordering Information: The prism and diffraction grating are NOT included in this kit. Contact us for the range of available prisms and gratings for use with this spectrometer.