FIAlab Instruments offers two base detector systems, including the PMT-FL fluorometer which is optimal for very low level fluorometric and chemiluminescence  assays, and the USB4000 spectrometer which is optimal for absorbance assays from the UV through the NIR range.  The USB4000 can also be used for higher level fluorometric assays. 
 

The PMT-FL is a photomultiplier based flow through fluorometer many orders of magnitude more sensitive than typical CCD based spectrometers or photodiodes.  The PMT-FL is available with a built in Diode laser, Tungsten lamp, or UV or VIS LED.  Also, an optionally available configuration includes a fiber optic interface for use with an external light source such as Deuterium.  Ideal for both fluorescence and chemiluminescence assays.

Typical applications include fluorometric ammonium assays, and monitoring Beta-galactosidase activity.

Emission and excitation filters are mounted in user accessible slots inside the enclosure, allowing for quick removal and exchange.  Additional Information: PMT FL Brochure

USB2000/USB4000 miniature fiber optic UV-VIS-NIR spectrometers are for low light level applications.  These spectrometers accept light energy transmitted through single-strand optical fiber and disperses it via a fixed grating across the CCD array.  Additional Information: USB2000/USB4000 Brochure
 

FlowDet – Photodiode based flow through detection system provides a low cost approach to colorimetric absorbance measurements. The FlowDet is designed and is ideally suited for teaching Flow Injection Analysis. Combined with the FIAlab-2500, the FlowDet can be used for measuring nitrate, nitrite, and other typical nutrient type assays.  Three LEDs (red, green, blue) are included for selection of monitored wavelengths (only a single wavelength can be monitored at a time).  

The FlowDet does not have the flexibility or stability of the USB4000 spectrometer based detection system, however for less than 1/2 the cost, it is ideal for introductory teaching, or for the laboratory with a limited budget.
 

 The ADM-705 Polarimeter is designed to automate the process of measuring the rotation of optically active samples.

Additional Information: ADM-705 Polarimeter Brochure