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Product Name: CHEM4-UV-VIS Spectrophotometer
Product Description
The CHEMUSB4-UV-VIS is the perfect marriage of our USB-interface
spectrometer technology and modular accessories. The system consists of a USB4000
Spectrometer with a combination deuterium tungsten halogen light source and 1-cm
cuvette holder and high-speed electronics and operating software.
The CHEMUSB4-UV-VIS covers the 210 to 880 nm range, has optical resolution of
1.0 nm (FWHM) and captures 3648 wavelengths in <1 second.
Features
Fully integrated, preconfigured system covers the 210 to 880 nm range at 1.0 nm (FWHM)
See changes as small as 0.1 Absorbance Units
Small-footprint system ideal for the laboratory and the classroom
Direct-attach deuterium tungsten light source and sample holder
USB 2.0 interface for fast, hassle-free spectrometer-to-PC connection
Direct-attach Light Source
The CHEMUSB4-UV-VIS features the USB-ISS-UV-VIS combination sample holder and deuterium tungsten light source (200-1100 nm). This sampling system holds standard 1-cm cuvettes for easy-to-perform absorbance measurements. The USB-ISS-UV-VIS allows you to control both the intensity of the tungsten bulb and the shutter via software. The USB-ISS-UV-VIS requires an external power supply (included).
Programmable Microcontroller
The CHEMUSB4-UV-VIS uses our USB4000 Spectrometer. The USB4000 features an
onboard programmable microcontroller that provides you with considerable
flexibility in controlling the spectrometer and accessories. Through a 22-pin
connector, you can implement all operating parameters in the software: control
light sources, create processes, and retrieve information on external objects.
You have access to 8 user-programmable digital Inputs/Outputs for interfacing to
other equipment. (Contact
an Applications Scientist regarding what you'll need to program the GPIOs.)
Modular Design
Ocean Optics offers complete line of fiber
optic sampling accessories and teaching
tools to further enhance your CHEMUSB4-UV-VIS system. Most accessories have
SMA 905 connectors for application flexibility; changing the sampling system is
as easy as unscrewing a connector and adding new components or accessories.
For even more flexibility, consider the CHEM4-UV-FIBER.
An optical fiber based system, the CHEM4-UV-FIBER lets you quickly and easily
couple fiber optic accessories, such as reflection probes or transmission dip
probes, to the system's light source.
Plug-and-Play Operation
The CHEMUSB4-UV-VIS interfaces to a PC, PLC or other embedded controllers via USB 2.0 or RS-232 serial port. When using the serial port, the system requires a single 5-volt power supply (not included). Data unique to each spectrometer is programmed into a memory chip on the USB4000; our spectrometer operating software reads these values for easy setup and hot swapping among PCs.
Serial port operation tips: When using the serial port, the USB4000 requires a single 5-volt power supply (not included). Also, SpectraSuite Spectroscopy Software does not support spectrometer operation via the serial port. However, using the included Serial Port Command Set, you can write your own software that makes serial port operation possible.
Specifications
|
Physical
|
| Spectrometer
dimensions: |
89.1 mm x 63.3
mm x 34.4 mm |
| Spectrometer
weight: |
190 grams |
| Light source
dimensions: |
198 x 105.1 x
40.6 |
| Light source
weight: |
200 g |
| Detector
Specifications |
|
Detector:
|
Toshiba TCD1304AP Linear CCD array
|
|
Pixels:
|
3648 pixels
|
|
Pixel size:
|
8 μm x 200 μm
|
|
Pixel well depth:
|
100,000 electrons
|
| Signal-to-noise
ratio: |
300:1 (at full
signal) |
| A/D resolution: |
16 bit |
| Corrected
linearity: |
>99.8% |
| Sensitivity: |
130
photons/count at 400 nm; 60 photons/count at 600 nm |
| Optical
Bench |
| Design: |
f/4,
Asymmetrical crossed Czerny-Turner |
| Focal length: |
42 mm input; 68
mm output |
| Entrance
aperture: |
25 µm wide slit |
| Grating: |
Grating #1 |
| OFLV filter: |
OFLV-200-850 |
| UV enhanced
window: |
Yes, UV4 |
| Fiber optic
connector: |
SMA 905 to 0.22
numerical aperture single-strand optical fiber |
| Spectroscopic |
| Wavelength
range: |
210 to 880 nm
(The actual range typically exceeds what's listed here. The range listed
is where you will see changes as small as 0.01 absorbance units.) |
| Optical
resolution: |
1.0 nm FWHM |
| Signal-to-noise
ratio: |
300:1 (at full
signal) |
| A/D resolution: |
16 bit |
| Dark noise: |
50 RMS counts |
| Integration
time: |
3 µs to 65
seconds |
| Dynamic range: |
2 x 108
(system), 1300:1 for a single acquisition |
| Stray light: |
<0.05% at 600
nm; 0.10% at 435 nm |
| Light
Source/Sample Holder |
| Power
consumption: |
1.8 A @ 5 VDC;
external power supply (included) |
| Pathlength: |
1 cm |
| Cuvette shape: |
Square |
| Light source: |
Deuterium
tungsten |
| Z dimension: |
15 mm |
| Bulb life
(hours): |
800 deuterium;
2,000 tungsten |
| Time to
stabilized output: |
~30 minutes |
| Electronics |
| Power
consumption: |
250 mA @ 5 VDC |
| Data transfer
speed: |
Full scans to
memory every 4 ms with USB 2.0 port, 18 ms with USB 1.1 port |
| Inputs/Outputs: |
Yes, 8 onboard
digital user-programmable GPIOs |
| Analog channels: |
No |
| Auto nulling: |
Yes |
| Breakout box
compatible: |
Yes,
HR4-BREAKOUT |
| Trigger modes: |
5 modes |
| Strobe
functions: |
Yes |
| Connector: |
22-pin connector |
| Computer |
| Operating
systems: |
Windows
98/Me/2000/XP, Mac OS X and Linux with USB port; Any 32-bit Windows OS
with serial port |
| Computer
interfaces: |
USB 2.0 @ 480
Mbps (USB1.1 compatible); RS-232 (2-wire) @ 115.2 K baud |
| Peripheral
interfaces: |
SPI (3-wire);
I2C inter-integrated circuit |
| Pricing |
| Retail: |
$4199 |
Company Details
Ocean Optics is a leading supplier of solutions for optical sensing – fundamental methods of measuring and interpreting the interaction of light with matter. We enable diverse applications in medical and biological research, environmental... more
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Broadband 200-1100 nm, CG-series Spectrometers, CHEM4-UV-FIBER Spectrophotometer, CHEM4-UV-FIBER Spectrophotometer, CHEM4-VIS-FIBER Spectrophotometer, CHEM4-VIS-FIBER Spectrophotometer, CHEM4-VIS-NIR Spectrophotometer, CHEMUSB4-UV-VIS Spectrophotometer, CHEMUSB4-VIS-NIR Spectrophotometer, DTS-series MEMS-based NIR Spectrometers, HR2000+ High-resolution Spectrometer, HR2000+CG Spectrometer, HR2000CG-UV-NIR Spectrometer, HR4000 High-resolution Spectrometer, HydroRad Environmental Radiometer, LIBS-ELITE Integrated Laser-induced Breakdown Spectrometer Platform, LIBS2500 Laser-induced Breakdown Spectrometer Sensing Systems, Multimodal Multiplex Raman Spectrometer, NanoCalc Thin Film Reflectometry System, NIR-512 Temperature-regulated NIR Spectrometer, NIR256 Temp-regulated NIR Spectrometers, Phazir Handheld NIR Material Analyzer, Phazir Handheld NIR Material Analyzer, Phenol Red pH Test Kit, PlasCalc Plasma Monitoring & Control, Polychromix DTS™ NIR Spectrometers |
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