Description
The CUV-FL-DA cuvette holder attaches to Ocean Insight light sources and couples via optical fiber to our spectrometers, creating a small-footprint system for fluorescence and relative absorbance experiments. The CUV-FL-DA is optimized for the 200-2000 nm range, holds 1 cm pathlength square cuvettes and eliminates the need for a fiber from the excitation or illumination source. A few simple adjustments allow you to use the CUV-FL-DA for absorbance.
The CUV-FL-DA is well suited for fluorescence, thanks to UV-enhanced, aluminum-coated mirrors that enhance signal reflection within the sample compartment. That increased signal reflection, combined with greater signal intensity resulting from direct attachment to the excitation source, provides CUV-FL-DA users with much greater fluorescence intensity than is possible with most cuvette holders.
No excitation or illumination fiber – sample cell attaches directly to light sources
Enhanced fluorescence – optical design increases signal collection
Versatile – simple adjustment converts from fluorescence to absorbance accessory
| SQ1-ALL | ACH-CUV-VAR | CUV-FL-DA | CUV-UV | CUV-UV-10 | CUV-VAR | FHSA-TTL | |
| Collimating Lenses | Three 74-UV fused silica lenses (200-2000 nm) | — | One of 74-UV fused silica lens (200-2000 nm) | Two 74-UV f/2 fused silica lenses (200-2000 nm) | Two 74-UV f/2 fused silica lenses (200-2000 nm) | Two 74-UV f/2 fused silica lenses (200-2000 nm) | — |
| Filter Slot Specification | Two slots in total. Each slot accepts one 12.5 mm and 25 mm diameter filters. | — | Accepts filters up to 6.35 mm (1/4”) thickness | Accepts filters up to 6.35 mm (1/4”) thickness | Accepts filters up to 6.35 mm (1/4”) thickness | No | — |
| Pathlength | 1 cm | Up to 150 mm thick (solids) Up to 150 mm pathlength (cuvettes) |
1 cm | 1 cm | 10 cm | 1 cm to 10 cm (adjustable) | — |
| Z Dimension Specification | 15 mm | 15 mm | 15 mm | 15 mm | 15 mm | 15 mm | — |
| Connector | SMA 905 | — | SMA 905 | SMA 905 | SMA 905 | SMA 905 | — |
| Base Material | — | Black anodized aluminum | — | — | — | — | — |
| Base Measurement Guide | — | Scored at 1 mm segments 150 mm total length |
— | — | — | — | — |
| Dimensions | 111 mm x 90 mm x 74 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 | 200 mm x 67 mm x 70 mm | 150 mm x 50 mm x 50 mm |
| Integrated Light Source | No | No | No | No | No | No | No |
| Light Source Mount Diameter | — | — | 9.52 mm (3/8”) | — | — | — | — |
| Reflection Mirrors | — | Two (2) of UV-enhanced aluminum-coated |
— | — | — | ||
| Mounting Bars Material | — | Black anodized aluminum | — | — | — | — | — |
| Mounting Bars Positioning | — | Four 3/8-24 threaded holes | — | — | — | — | — |
| Mounting Bars Threading | — | Accepts lenses with 3/8-24 threads Uses M6 setscrews for adjusting the bars |
— | — | — | — | — |
| Water Input Fittings for Temperature Regulation |
No | — | — | 3.175 mm (1/8”) NPT | 3.175 mm (1/8”) NPT | No | — |
| Weight | 618 g | 1 kg | 80 g | 230 g | 540 g | 726 g | 490 g |
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