Hellma is world leading manufacturer of quartz cells and fiber-optic immersion probes.

For tec5 measuring heads and other probing devices please go to Accessories page.

Immersion Probe (see details on extra page)
• 1, 2, 5, 10,.20mm optical gaps
• various types like miniature, slit, ATR designs
• high efficiency of typ. 40%
• high resistivity to pressure and temperature
• various barrel diameters and materials20mm
• wide spectral range of head (200- 2500nm)

Diffuse Reflectance Probes (see details on extra page)
• for measuring powders, colors, grains, plants
• wide spectral range (200- 2500nm)
• stainless steel barrel
• for process use

Flow-through Cells
• fiber-optic coupled
• various gap sizes
• high efficiency of up to 50%
• for process use
• UV-VIS or VIS-NIR light guide versions, 600µm dia each

Custom-designed Solutions
• special quartz fusing technology
• various shaft materials e.g. stainless steel or Hastelloy
• quartz or sapphire sample heads/windows
• robust process-oriented designs