Mini Transmission Dip Probes

Mini Transmission Dip Probes
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For absorption measurements in miniaturized centrifuge tubes or vessels, Avantes offers the mini transmission dip probe. It features a miniaturized tip which is 130 mm long and 3.2 mm in diameter.

The mini transmission dip probe has a fixed 5 or 10 mm optical path length. It is available in three different versions: one for UV/VIS (200-800 nm) measurements, one for VIS/NIR (350-2500 nm) and one for UV/VIS/NIR (250-2500 nm). For best results below 240 nm, solarization resistant fiber (-SR) is recommend. The probe features Avantes ME, chrome plated brass, jacketing.

Optionally the probe can be configured with a longer stainless steel or Hastelloy® tip, other jacketing options (MS, BX, or PVC). The probe has two SMA connectors (FC/PC also available) for convenient coupling to the Avantes line of spectrometers and light sources.

Please contact us for special requirements.

blz 99 mini transmission dip probe



Fibers 1 illumination and 1 detection fiber, both 200 µm, standard 2 meters length
Wavelength Range 200-2500 nm (UV/VIS/NIR)
Connectors 2 x SMA 905
Probe End Stainless steel 316 cylinder, 130 mm long x 3.2 mm (1/8”) diameter. The probe end contains 5 mm physical, 10 mm optical path, or a 2.5 mm physical gap (5 mm optical path). Optionally –HY for Hastelloy® C276
Jacketing The optical fibers are protected by a silicon inner tube and a flexible stainless steel (optional BX, O.D. 6.0 mm) or chrome plated brass (standard ME, 5.0 mm) outer jacket. The jacketing also gives stress relieve.
Temperature -40ºC to 100ºC. (-HT version 200°C)
Pressure Probe head 10 bar @ 25°C
Bending Minimum bend radius: Short term (few seconds) 20 mm, long term:120 mm

Order Info

FDP-2UVIR200-2-2.5-mini 1/8” Mini Dip Probe, 2.5 mm path length (optical 5 mm), 2 m length
FDP-2UVIR200-2-5-mini 1/8” Mini Dip Probe, 5 mm path length (optical 10 mm), 2 m length

Specify xx = UV for UV/VIS fiber cables, IR for VIR/NIR and UVIR for broadband UV/VIS/NIR


-BX Stainless steel jacket
-HT High Temperature version (up to 200°C)