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Here are some more information for Standard Bandpass:

Unico 1100 Series Spectrophotometers

A device used to measure light intensity (photometer) as a function of color or wave length of light, spectrophotometers are classified based on the working wave length. Mainly intended to measure light absorption, spectrophotometers can also measure diffuse or specular reflectance. Spectrophotometers are used in quantitative analyses, kinetics, spectrum scanning and multiple components DNA/protein testing can be performed efficiently. Unico's 1100 series spectrophotometers are reliable, simple and economical, making them an ideal choice for educational, industrial, clinical and environmental laboratories. For education, get a new experiment model with useful applications.

User-friendly Features

The Unico 1100 series spectrophotometers have built in secondary filters which increase precision by reducing stray light. Easy readings are obtained with the help of a large digital display. Windows-based application software and COD vial holders are optional features in some Unico 1100 series spectrophotometers. Either 10mm rectangular cuvettes, including disposable semi-micro cuvettes, or test tubes (standard) can be used in the sample compartment of the 1100 Series. The 20nm bandpass and wavelength range of 335 to 1000nm ensure the accuracy that is necessary for extensive use of the spectrophotometers in quality control and teaching facilities. Some of the other features of these high-performance spectrophotometers include:

• Auto zero function
• Flexible sample compartment
• Solid state detector for full wavelength range
• Maintenance free wavelength knob with built in metal stopper
• Built in filters for easy operation
• Light source: Tungsten Halogen Lamp
• Easy to read display
• Wavelength accuracy of around +/-2nm
• Alterable sample compartment
• Built in accessory output, analog (1100 RS-232)  
• Data port: USB

Purchase a Unico Spectrophotometer from a Leading Dealer

Purchase your Unico 1100 series spectrophotometer from a well-known distributor to get this piece of laboratory equipment at a competitive rate.

About the Author

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Subwoofer enclosure modifications?

Ok, im trying to make my box sound better. I've seen those boxes for 12" subs with a gap cut in the middle or the top that supposivly make them sound better. Is there a way to modify a standard box and make it into a bandpass box. OR could you just add a few ports to make it better... Thanks

If you have a sealed box now then it would most likely not sound good to turn it into a ported box,because it would be to small in cubic inches.
If you want to go ported then you will need to have one built for your subs to the correct specifications.

NASA Hubble Space Telescope Daily Report #5077
NASA Hubble Space Telescope Daily Report #5077

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