T300 Transmission Dip Probes by Ocean Optics




Our T300- -Series transmission dip probes couple to our spectrometers and light sources to conveniently measure absorbance and transmission in solutions. These stainless steel probes are especially useful for embedding into process streams for real-time sample monitoring

  • Light is directed via one fiber through the open path, then is reflected by a mirror and redirected back to a receive fiber that returns the light to the spectrometer
  • Sample is free to flow through the tip
  • Vary the pathlength of your tip for solutions of different concentration (2, 5, and 10 mm tips available)
  • Dip probe fits into a standard 1/4″ Swagelok fitting for installation into a pipe or reactor
  • These probes measure both transmitted and backscattered light from the sample, so internal reflections may limit the dynamic range of the measurement
Part Number Description Wavelength Range
T300-RT-UV-VIS Transmission dip probe, 300 µm UV/SR optical fiber, tip required 200 – 1100 nm
T300-RT-VIS-NIR Transmission dip probe, 300 µm VIS-NIR optical fiber, tip required 400 – 2500 nm
RT-2MM 2 mm pathlength tip for T200-RT and T300-RT transmission dip probes 200 – 2500 nm
RT-5MM 5 mm pathlength tip for T200-RT and T300-RT transmission dip probes 200 – 2500 nm
RT-10MM 10 mm pathlength tip for T200-RT and T300-RT transmission dip probes 200 – 2500 nm
T300SLEEVE Spare stainless steel sleeve for T200-RT and T300-RT transmission dip probes N/A
Engineering Specifications T300-Series Transmission Dip Probes
Fiber type
T300-UV-VIS: 300 µm UV/SR optical fiber (200 – 1100 nm)
T300-VIS-NIR: 300 µm VIS-NIR optical fiber (400 – 2100 nm)
Probe diameter: 6.35 mm (1/4″)
Probe length: 127 mm
Fiber length: 2 meters
Breakout: 1.5 meters from the end of the probe
Temperature limit: Up to 100º C without sleeve
Pathlength: 2, 5 or 10 mm (See product variations table for options)
Probe material: Stainless steel outer sleeve, aluminum second surface mirror
Pressure: 100 psi
Fiber jacketing: PVDF zip tube
Connectors: SMA 905

Additional information

Weight 2 lbs
Dimensions 13 × 13 × 4 in


Removeable Tip

10 mm transmission tip, 2 mm transmission tip, 5 mm transmission tip


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