Spectrometers & sensors

spectroscopy for a changing planet
Red Tide VIS

SE-REDTIDE-VIS-CUVETTE

 

Ready to go UV-VIS absorbance spectrophotometer system for $1,788

The RedTide-VIS-Cuvette is a low-cost, small- footprint lab spectrophotometer that's ideal as a general-purpose instrument for budget-conscious teaching and research labs. The system consists of the following:

Red Tide Spectrometer.  This versatile low cost unit has has a wavelength range of 350-1000 nm, and utilizes a detector with 650 active pixels; that’s 650 data points in one full spectrum, or one data point per nanometer. Configured with a 25 µm entrance slit, the Red Tide offers ~2.0 nm optical resolution (FWHM). The Red Tide plugs into you computer through a USB port.

The spectrometer is coupled to our  USB-ISS-VIS combination sample holder and tungsten light source (350-1000 nm). This sampling system holds standard 1-cm cuvettes for easy-to-perform absorbance measurements. The USB-ISS-UV-VIS is powered from the USB port on your computer.

Spectrasuite Software works on Mac, Linux or Windows based computers. Spectrasuite is loaded with features: real time absorbance spectra, graphical functions for annotations and printing, time series control and strip chart mode, peak finder, automatic wavelength calibration, mapping to absorbance standards, and much more.

CVDVIS1M    You get one pack of 100 disposable VIS cuvettes. These cuvettes have 2 clear sides, are 2.5 – 4.0 ml volume and a1cm pathlength,

Specifications:

Physical

Spectrometer

89.1 mm x 63.3 mm x 34.4 mm

Spectrometer weight:

190 grams

Light source

40.7 mm x 88.8 mm x 34.1 mm

Light source weight:

130 g

Detector Specifications

Detector:

Sony ILX-511 Linear CCI

Pixels:

650 pixels

Pixel size:

14 µm x 200 µm

Pixel well depth:

62,500 electrons

Signal-to-noise ratio:

250:1 (at full signal)

A/D resolution:

12 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 #2

OFLV filter:

OFLV-350-1000

Fiber optic connector:

SMA 905 to 0.22 numerical aperture single-strand optical fiber

Spectroscopic

Wavelength range:

370 to 985 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:

12 bit

Dark noise:

3.2 RMS

Integration time:

3 ms to 65 ms

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:

160 mA @ 5 VDC; external power supply (included)

Pathlength:

1 cm

Cuvette shape:

Square

Light source:

Tungsten halogen and violet LED

"Z" dimension:

15 mm

Bulb life (hours):

45,000

Time to stabilized output:

~5 minutes

Electronics

Power consumption:

250 mA @ 5 VDC

Data transfer speed:

Full scans to memory every 5 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:

No

Trigger modes:

4 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

Â