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Spectral / Wavelength Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Accuracy:

Resolution:

Response Time:

Detector Type:

Monitoring:

Local Interface:

Computer Interface?

Computer Interface Options:

Application Software Included?

Display Options:

On-line Monitoring & Process Control?

Shutters?

Microscope?

Automatic Temperature Compensation?

Also Measures Temperature?

Portable?

Programmable?

Self-calibration?

Alarms?

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Fluorometers specifications:

Performance Specifications
   Spectral / Wavelength Range:       Wavelength range refers to the dispersion of the grating across the linear array; also expressed as the "size" of the spectra on the array. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Accuracy:       Accuracy is the agreement between a mean measured value and a true or accepted value as quantified by error. Related to determinate errors and quantified by bias. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Resolution:       Resolution is the width of an analytical peak at half its height expressed in nanometers. It's a measure of the instruments ability to separate two overlapping peaks. At the point of resolution, two peaks of equal height are said to be resolved if you can see a dip between the tops of the two peaks. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Response Time:       Response time refers to the amount of time required from introduction of the sample into the spectrometer until the analysis is complete. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Detector Type
   Detector Type:      Any device which quantitatively responds to a change in its environment (e.g. temperature, pressure, light intensity).
   Your choices are...         
   Photomultiplier Tube       Photomultiplier tubes are photo-detectors with adjustable voltage, which translates optical tube (PMT) signals into electrical current. Increasing the PMT voltage increases the output signal for a given amount of light. 
   Photodiode       Photodiodes are semiconductor devices used to detect light and generate an electrical current. They are typically used in forward scatter (FSC) detection. 
   Other       Other unlisted or unspecified detector types. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Monitoring
   Monitoring:       
   Your choices are...         
   Continuous or Flow Through Monitoring       The fluorometer is part of a process line and continuously monitors samples. 
   Sample Monitoring       Samples are individually injected into the fluorometer for analysis. The fluorometer is not part of a process line. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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User Interface Options
   Local Interface:       
   Your choices are...         
   Analog Front Panel       The panel has analog user inputs such as potentiometers, dials, switches, for adjustment of output, ranges, etc. 
   Digital Front Panel       The panel uses digital keypads or menus for programming. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Computer Interface?       The spectrometer can be controlled or monitored remotely with a computer via interface. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Computer Interface Options:       
   Your choices are...         
   Serial Interface       A port, or interface, that can be used for serial communication, in which only one bit is transferred at a time. Examples include RS232, RS422, RS485, USB, etc. 
   Parallel Interface       A channel capable of transferring more than one bit at a simultaneously. Examples include PC Printer Port, Centronics®, etc. 
   Other Computer Interface       Modem, transmitter, TTL, etc. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Application Software Included?       For control or for monitoring the process. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Display Options
   Display Options:       
   Your choices are...         
   Analog Meter       Data is displayed with an analog meter or simple visual indicator. 
   Digital Readout       Digital readout devices use numerical or application specific display. 
   Video Display       The data is presented in video form via CRT, LCD, or other multi-line forms. 
   None       No integral display. Output is read and displayed remotely. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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General Features and Functionality
   On-line Monitoring & Process Control?       The spectrometer is part of a system and is responsible for monitoring the process and changing it if necessary. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Shutters?       Shutters are electrical or mechanical devices used to control the amount of time the imaging surface is exposed to light. Often used to stop blur from moving objects. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Microscope?       Microscopes are used for imaging purposes. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Automatic Temperature Compensation?       The fluorometer will correct for variations in temperature during the analysis. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Also Measures Temperature?       The spectrometer has a thermistor or other temperature measuring element. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Portable       Portable spectrometers are modular devices that are designed for ease of transport and assembly.  Rugged enclosures, PC interfaces, and customizable software packages are common features for the portable device. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Programmable?       The fluorometer is able to be programmed to run special routines. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Self-calibration?       Self-calibration is used to remove errors which remain after performing the regular calibration process. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Alarms?       User-defined, programmable alarm levels. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Environment
   Operating Temperature:       This is the full required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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Product Announcements
Turner Designs Hydrocarbon Instruments
Iwaki America and Walchem, IWAKI America Inc