ISS Compact Vis - Integrated Spectrochemical System Compact Vis

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  • €8,500.00

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The Compact Line of integrated spectrochemical instruments is targeted at proof of concept and early-stage research and educational purposes. Each compact line instrument includes: Avantes Compact Line spectrometer, Avantes light source, peristaltic pump, a mount for a dedicated spectroelectrochemical cell (cuvette with post) and electrolyte reservoir that are fixed on a 30 cm x 45 cm solid aluminium optical board. The components are selected, and the design is optimised to ensure a small footprint, ease of use, good analytical performance and safety when operating under a laboratory fume hood.

Central to the system is an optical fibre coupled spectroelectrochemical cell selected from a variety of redox.me products (added separately). By using optical fibres terminated in collimating lenses both easy assembly and reproducible alignment are achieved.

Electrolyte is delivered to the cell from a reservoir via a peristaltic pump. The pump head has 1 channel and pumps the electrolyte at a flow rate between 0.07 up to 380 ml per minute via Silicone or Viton™/Fluran™ F-5500-A (aqueous electrolyte) or PharMed™ (organic electrolyte) internal tubing, and FEP tubing further on to the cell/reservoir. 

Spectrometric analyses are carried out via fibre coupled Avantes Compact Line spectrometer(s) and light source(s). Preconfigured integrated systems in the UV, Vis, NIR, Wide range UV-Vis and Dual Channel ‘extra wide’ UV-VIS-NIR regions are available. These preconfigured systems match light source, fibre optic, lenses and spectrometer configurations to deliver optimised performance within the specified spectral range and analytical application, but custom systems can be configured at extra cost to meet exacting end use requirements. Please contact redox.me for additional information about custom spectrometer and instrument configurations.

All light sources used in the integrated systems are equipped with TTL shutters or triggers to reduce light exposure of the sample to an absolute minimum. The sources are triggered by the same software as the spectrometer allowing for simple experiment design and synchronised measurements at user defined parameters and intervals. Through the use of TTL shutters and/or pulsed sources it is possible to both minimise undesirable thermal effects and ensure a stable light source to minimise drift.

The fibre optics are selected to minimise spectral absorption and optimise coupling of the light source and spectrometer thereby maximising the useable light delivered to the cell without saturating the spectrometer. This allows for faster integration times and increased signal averaging to improve the signal to noise ratio of the measurements.

The Compact Line systems are supplied with Avasoft Full version 8.11 plus the chemometrics extension for simple data acquisition and post processing as well as process monitoring and real-time calculation of analyte concentration. Additional Avantes software modules such as Thin Film analysis and colourimetry are available for other applications at an additional cost.

Application note
The Integrated Spectrochemical System Compact Vis (ISS Compact Vis) includes a AvaSpec-Mini2048CL-V25 spectrometer and an AvaLight-HAL-S-Mini tungsten halogen lamp coupled to the spectro-electrochemical flow cell by Low OH SMA 905 terminated optical fibres. This system is suitable for visible light transmission spectroscopy with good resolution and sensitivity.

The following cells are compatible with ISS Compact Vis (please select desired option and add it to the quotation separately):
Cell 1: SPECTRO-EFC, SMA 905, 1.75 mL
Cell 2: SPECTRO-EFC, 4 mm path, 0.7 mL, SMA 905 variant
Cell 3: R/T/A SPECTRO-EC, 1.75 mL, SMA 905 variant

The AvaLight-HAL-S-Mini is a compact stabilised Tungsten-Halogen light source equipped with a TTL-shutter and a filter slot that accepts 1 inch circular or 2 inch square filters to block specific wavelength ranges or attenuate the intensity of the source. The TTL-shutter allows for communication to the Avantes compact line spectrometer and auto-save dark reference in the AvaSoft spectroscopy Software.

The AvaSpec CompactLine spectrometers are compact and rugged spectrometers suitable for harsh environments. They deliver the resolution, sensitivity and stability that is expected from Avantes spectrometers in a form factor that is the size of a deck of cards. The AvaSpec-Mini2048CL-V25 delivers 0.7 nm resolution over the visible range between 350 – 850 nm. It is suitable for both spectrometric and colorimetric applications. If colourimetry is the main intended application then the Colour addon for AvaSoft is required, POI.

Specification
Light source: AvaLight-HAL-S-Mini
spectral output: 360 – 2500 nm
stability: ± 0.1%/ °C
time to stabilize: ca. 10 min.
output to bulb: 12.0 VDC/ 0.83A
bulb life: 4000 hrs
min. optical power 200 µm fibre: 0.5 mWatt
min. optical power 600 µm fibre: 4.5 mWatt
min. optical power 1000 µm fibre: 10 mWatt
bulb colour temperature: 2,850 K
power requirement: 12 VDC / 2.08A
connector: SMA-905 connector
dimensions, weight: 150 x 78 x 37 mm, 510 grams
lifetime shutter: 1,000,000 cycles (typical)

Spectrometer: AvaSpec-Mini2048CL-V25
range: 350 – 850 nm
resolution: 0.7 nm
focal length: symmetrical Czerny-Turner, 75 mm focal length, MK II
grating: 600 lines/mm
entrance slit: 25 µm
dynamic range: 3300
signal/noise: 330:1
exposure time range: 30 µs to 40 s
stray light: 0.2 - 1%
sensitivity: 337,500
detector: HAM S11639 , CMOS linear array, 2048 pixels (14x200 μm)
A/D converter: 16-bit, 6 MHz
optical interface: SMA connector
I/O: 5 bidirectional programmable I/O; 1 analogue out; 1 analogue in, 1x5V
interface: USB 2.0 (480 Mbps) / pigtailed (40 cm) USB-A
dimensions, weight: 95 x 68 x 20 mm, 175 g

Light source to cell optical fibre
type: 0.39 NA pure silica core and TECS hard cladding, step-index, multimode fibre
termination: dual SMA 905,
coating : Tefzel
reinforcement: 5.0 mm stainless steel 
fibre: FT600EMT Low OH pure silica core for Visible-NIR
transmission: 400 - 2200 nm
length: 100 cm
core diameter: 600 ± 10 µm
numeric aperture: 0.39
cladding diameter: 630 ± 10 µm
coating diameter: 1040 ± 30 µm
bend radius short term/long term: 30 mm/60 mm

Cell to spectrometer optical fibre
type: 0.22 NA pure silica core and double-clad TECS hard cladding over fluoride-doped silica cladding, step-index multimode fibres
termination: dual SMA 905, 
coating : Tefzel
reinforcement: 5.0 mm stainless steel
fibre: FG200LCC Low OH pure silica core for UV – Visible Transmission 400 - 2200 nm
core diameter: 200 ± 8 µm
length: 100 cm
numeric aperture: 0.22
cladding diameter: 240 ± 5 µm
coating diameter: 260 ± 6 µm
bend radius short term/long term: 12 mm / 24 mm

Product includes
1 x spectrometer - AvaSpec-Mini2048CL-V25
1 x light source - AvaLight-HAL-S-Mini
1 x optical fibre - FT600EMT Low OH pure silica core
1 x optical fibre - FG200LCC Low OH pure silica core
1 x peristaltic pump with tubbing
1 x reservoir 50 mL
1 x aluminium breadboard, 300 mm x 450 mm x 12.7 mm, M6 Taps with rubber legs and bridge handles
1 x PTFE cuvette
1 x PTFE/PEEK post 1/4" 20 UNC to M6

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