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General Purpose Cuvette Holders

Lead Time: 1 week

From $559.00

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Ocean Insight offers cuvette holders for a variety of absorbance and fluorescence sampling needs. Both discrete and direct-attach holders are available and integrate seamlessly with our spectrometers, light sources and optical fibers.


  • Versatile design – configure holder for absorbance or fluorescence measurements
  • Connector -- fiber optic coupling with SMA 905 connectors
  • Focusing -- collimating lenses with adjustable focus


Subject to change depending on model type


Collimating Lenses:
One of 74-UV fused silica lens (200-2000 nm)
Three 74-UV fused silica lenses (200-2000 nm)
Two 74-UV f/2 fused silica lenses (200-2000 nm)
Filter Slot Specification:
Accepts filters up to 6.35 mm (1/4”) thickness
Two slots in total. Each slot accepts one 12.5 mm and 25 mm diameter filters.
1 cm
1 cm to 10 cm (adjustable)
10 cm
Up to 150 mm thick (solids) Up to 150 mm pathlength (cuvettes)
Z Dimension Specification:
15 mm
Base Material:
Black anodized aluminum
Base Measurement Guide:
Scored at 1 mm segments
150 mm total length
SMA 905
111 mm x 90 mm x 74 mm
150 mm x 50 mm x 50 mm
200 mm x 67 mm x 70 mm
200 x 67 x 157
57 mm x 61 mm x 29 mm overall
58 mm x 140 mm x 38 mm
97 mm x 147 mm x 40 mm
Integrated Light Source:
Light Source Mount Diameter:
9.52 mm (3/8”)
Mounting Bars Material:
Black anodized aluminum
Mounting Bars Positioning:
Four 3/8-24 threaded holes
Mounting Bars Threading:
Accepts lenses with 3/8-24 threadsUses M6 setscrews for adjusting the bars
Reflection Mirrors:
Two (2) of UV-enhanced
Water Input Fittings for Temperature Regulation:
3.175 mm (1/8”) NPT
80 g - 1 kg

Measurement techniques