CHEM4-UV-FIBER fiber optic spectrometer
Ocean Optics fiber optic spectrometer; The CHEM4-UV-FIBER fiber optic spectrometer system has a measurement wavelength coverage of 200-850 nm, an optical resolution of 1.0 nm (FWHM), and can acquire 3648 pixels of data within 1 second. It is an ideal tool for relative light intensity and radiation measurements.; The CHEM4-UV-FIBER fiber optic spectrometer system consists of a USB4000 spectrometer and related accessories for absorbance measurements. These accessories include the ISS-UV-VIS integrated sampling system, a 300 µm solarization-resistant fiber, and a 1-cm cuvette holder.; The advantage of a fiber-based system lies in its flexibility. Depending on measurement requirements, reflective fiber optic probes and immersion fiber optic probe accessories can also be added.; The CHEM4-UV-FIBER spectrometer system uses the ISS-UV-VIS integrated sampling system, a radio-frequency-excited deuterium lamp and tungsten lamp combined light source, which is placed in a box together with a 1-cm cuvette holder. The ISS-UV-VIS system is connected to the spectrometer via a 300 µm solarization-resistant fiber. The advantage of this design is that the light source can be conveniently connected to other fiber optic accessories, such as reflective fiber optic probes or immersion fiber optic probes.; The CHEM4-UV-FIBER spectrometer system is equipped with the Ocean Optics USB4000 spectrometer. The USB4000 spectrometer comes with a programmable microcontroller that allows convenient control of the spectrometer and accessories. Through a 22-pin connector, users can complete all operating parameter control: control the light source, create processes, and acquire information from external devices. The microcontroller has 8 programmable digital input/output interfaces for exchanging data with external devices (please contact our application engineers for the information you need).; Ocean Optics provides fiber optic sampling accessories and teaching tools to enhance the functionality of the CHEM4-UV-Fiber spectrometer system. Most accessories have SMA905 connectors and can be flexibly replaced according to application needs. To replace the sampling system, simply loosen the connector and add a new component or accessory.; The CHEM4-UV-FIBER spectrometer can be connected to a computer, PLC, or other embedded controller via USB 2.0 or RS-232 serial interface. When using the serial interface, the CHEM4-UV-Fiber spectrometer requires a 5-volt power supply (not included). Each spectrometer's unique data is stored in the USB4000's memory. Our spectrometer operating software will read this data to complete startup and hot swapping.; Serial interface usage note: When using the serial interface, the CHEM4-UV-FIBER spectrometer requires a 5-volt power supply (not included). In addition, SpectraSuite Spectroscopy Software does not support spectrometer operation via the serial interface. However, if the built-in serial command set is used, users can write their own programs to support serial interface operation.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Spectrometer dimensions | 89.1 mm × 63.3 mm × 34.4 mm |
| Spectrometer weight | 190 grams |
| Light source dimensions | 198 mm × 104.9 mm × 40.9 mm |
| Light source weight | 400 g |
| Detector | Toshiba TCD1304AP linear CCD array |
| Detector spectral range | 200-1100 nm (the preset wavelength range of CHEM4-UV-FIBER is 200-850nm range) |
| Pixel | 3648 pixels |
| Pixel size | 8 μm × 200 μm |
| Pixel well depth | 100,000 electrons |
| Signal-to-noise ratio | 300:1 (full signal) |
| A/D conversion resolution | 16 bit |
| Detector background noise | 12 RMS data points |
| Corrected linearity value | >99.8 % |
| Sensitivity [400 nm] | 130 photons/data point |
| Sensitivity [600 nm] | 60 photons/data point |
| Design | f/4, non-synchronous crossed Czerny-Turner design |
| Focal length [Input] | 42 mm |
| Focal length [Output] | 68 mm |
| Entrance aperture | 25 um slit |
| Grating | #1 |
| HC-1 grating | No |
| Detector focusing mirror selection | Optional, L4 |
| OFLV filter selection | OFLV-200-850 |
| Other filter selection | Longpass OF-1 filters |
| Collimating mirror and focusing mirror | Standard or SAG+UPG |
| UV-enhanced lens | Yes, UV4 |
| Fiber connector | SMA 905 adapter connected to 0.22 NA single-strand fiber |
| Wavelength Range | 200-850 nm |
| Optical resolution | 1.0 nm FWHM |
| Spectrometer background noise | 24 RMS points |
| Integration time | 3.8 ms to 65 s |
| Sensitivity range | 2 x 10⁸ (system), 1300:1 single acquisition |
| Stray light [600 nm] | <0.05 % |
| Stray light [435 nm] | 0.10 % |
| Power consumption [12 VDC; external power supply (included)] | 420 mA @ 12 VDC; external power supply (included) |
| Optical Path Length | 1 cm |
| Test tube shape | Square |
| Light source | Deuterium tungsten lamp |
| "Z" dimension | 15 mm |
| Lamp life [Deuterium lamp] | 800 h |
| Lamp life [Tungsten lamp] | 2,000 h |
| Time to reach stable output | ~30 minutes |
| Fiber | P300-1-SR; diameter 300 μm; solarization-resistant |
| Power consumption [5 VDC] | 250 mA @ 5 VDC |
| Data transfer rate | Full scan to memory, 4 ms for USB 2.0 interface, 18 ms for USB 1.1 interface |
| Input/Output | Yes, 8 programmable digital input/output ports for exchanging data with external devices |
| Analog channel | None |
| Auto zero | Yes |
| Breakout box compatibility | Yes, compatible with HR4-BREAKOUT |
| Trigger modes | 5 modes |
| Gating function | Yes |
| Connector | 22-pin connector |
| Operating System | Windows 98/Me/2000/XP with USB port, Mac OS X and Linux operating systems, any 32-bit Windows operating system with a serial port |
| Computer interface [480 Mbps (USB1.1 compatible), RS-232 (2-wire) @ 115.2 K baud] | USB 2.0 @ 480 Mbps (USB1.1 compatible), RS-232 (2-wire) @ 115.2 K baud |
| Peripheral interface | SPI (3-wire); I2C Inter-Integrated Circuit |
Key Features
Datasheet
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