CID - Model CI-710s - Miniature Leaf Spectrometer

Three spectroscopic measurements can be performed by SPECTRAVUE:

Transmittance (T) is the fraction of the incident light passing through a sample, such as a leaf. When the intensity of the incident light is Io, and the intensity of light passing through the sample is It, the transmittance, T, is then expressed as T = It / Io. The CI-710s software suite can automatically calculate and plot the transmission spectrum with the reference spectrum (the intensity profile of the light source) stored.

Absorbance (A) is related to the transmittance as A = – log T = -log(It / Io). Absorbance is commonly denoted in optical density (OD) as it is linearly proportional to the amount of light absorbing sample in the light path length (Beer-Lambert law). For example, in a standard 1-cm cuvette, a sample with an OD of 2 is twice as concentrated as a sample with an OD of 1. But note that the intensity of light transmitted from a sample with an OD of 2 is only 1/10 of that from a sample with an OD of 1. Transmission and absorption spectrum measurements are the most common applications of spectrometers. The spectrum can be used for the quantification of chemical concentrations, color analysis, the study of photochemical reactions such as photosynthesis, and the quantification of physical or optical properties such as film thickness, index of refraction, and extinction coefficient.

Reflectivity (R) is the fraction of incident light that is reflected from a sample. Depending on the purposes of the study, reflectivity can be measured for reflection at a specific angle from the sample, or the entire reflected hemisphere. The leaf probe attachment of CI-710s is not designed to measure the directional reflectivity. Nonetheless, it can be used to measure the absorption spectrum of surface substance of reflective or opaque samples.

Equipped with a powerful new spectrometer, SpectraVue provides the cutting- edge analytical range needed by professionals in the field.

Easily perform on-board data management & analysis with the full color, 7” IPS touchscreen display.

Get real-time insight into your data with SpectraVue’s full suite of spectral analysis software & 40+ built-in indices

Track measurement locations using built-in GPS tagging for consistent, traceable data collection over time.

SpectraVue’s ergonomic design allows for easy capture of leaf spectral data in any location.

Collect varied spectral data instantly by measuring absorbance, transmittance & reflectance, all in a single scan.