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Part Number: T300-RT-VIS-NIR

Lead Time: 3 weeks

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Product Details

Transmission dip probes couple to Ocean Insight spectrometers and light sources to measure absorbance and transmission in solutions. These stainless steel probes are great for embedding into process streams for real-time sample monitoring.

In a transmission dip probe, light is transmitted from the illumination fiber through a plano-convex lens for collimation, after which it passes through the open probe tip to a flat, second-surface mirror at the tip of the probe. The light reflects from this mirror and is focused onto the read fiber within the probe ferrule. 

Product Overview

  • Probe options -- versions for general lab use and harsh environments
  • Sampling -- sample is free to flow through the probe tip
  • Pathlength -- vary the pathlength of your probe tip (2 mm, 5 mm or 10 mm) for solutions of different concentrations 
  • Simple mounting -- probe fits into a standard 1/4″ Swagelok fitting for installation into a pipe or reactor



Select model to see full specifications


Wavelength Range:
400nm - 2.1μm
Fiber Core Size:
300 µm
2 m
PVDF zip tube
Probe Ferrule Diameter:
6.35 mm (1/4″)
1.5 meters from the end of the probe
SMA 905
5 or 10 mm
Physical Resistance:
100 psi
Temperature Limit:
Up to 100º C without sleeve
Probe Ferrule Length:
127 mm
Probe Ferrule Material:
Stainless steel outer sleeve
aluminum second surface mirror