double-beam spectrophotometer

double-beam spectrophotometer

[¦dəb·əl ¦bēm spek·trō·fə′täm·əd·ər]
(spectroscopy)
An instrument that uses a photoelectric circuit to measure the difference in absorption when two closely related wavelengths of light are passed through the same medium.
References in periodicals archive ?
Tenders are invited for Supply of double-beam spectrophotometer UV - Vis.
In a double-beam spectrophotometer, the light beam is split in half.
The detector performance of the Cary 500i is up to ten times better than existing technology, and offers the highest photometric capability of any large-scale commercial double-beam spectrophotometer.
Providing a UV-visible double-beam spectrophotometer equipped with an integrating sphere for analyzing solid samples.
As a result, the Cary 500i boasts detector performance up to ten times better than existing technology, and offers the highest photometric capabilities of any large-scale commercial double-beam spectrophotometer.
Contract notice: Supply of double-beam spectrophotometer uv / vis.
The Cary 500i, which boasts detector performance up to ten times faster than existing technology, offers the highest photometric capabilities of any large-scale commercial double-beam spectrophotometer.
You have two double-beam spectrophotometers for the price of one," says Gomez.