Model 100V
Bench Transmissometer
with 4-1/2 Digital Readout (%T)

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The Model 100V employs a white light source, and permits the insertion of a color filter in order to measure Transmittance in any region of the visible spectrum.  With a 4-1/2 digit LED readout, measurements are typically accurate within +/-0.02%.  At the time of purchase, the customer can select filters with the central wavelength and bandwidth of his choice. This allows the Model 100V to be configured for many diverse purposes. 

The instruments feature an electronically chopped test beam for maximum accuracy and independence from ambient lighting conditions.  The Model 100V can accommodate samples up to 2.0 inches thick and can measure to the center of a 12-inch wide sample.  They are easy to use, stable in operation, and provide highly reproducible readings. Like all Graham Transmissometers, the Model 100V is virtually maintenance free.

The Model 100V transmissometer can also be configured with multiple channels to measure percent transmittance at several fixed wavelengths in the near-ultraviolet, violet, blue, green, yellow, orange, red, or infrared regions of the spectrum (either narrow band or broad band as requested at time of purchase). 

The Model 100V Transmissometer is currently being used for measuring transmittance of glass, filters, plastics, films, optical coatings, etc.  All Graham Transmissometers operate in any normal ambient lighting condition. . .no need to operate the instrument in a darkened room!

Operation
Measurements of Percent Transmittance (%T) are obtained automatically simply by inserting the sample in the optical path. The user can readily make 6 to 10 measurements of transmittance per minute.  Like all Graham Transmissometers, the Model 100V is virtually maintenance free.

Calibration
In use, the Operator simply sets Zero with the light path blocked, then sets 100% with no sample in the light path. Readings are therefore absolute, with no optical standard required.

It's as simple as that!
 
 
 
FEATURE
BENEFITS
Accepts filters Broad-band or Narrow-band Filters may be selected by customer at additional cost.
Single or multiple channel versions Permits measurements of Transmittance at several wavelengths within visible spectrum
Test beam diameter 5.9 mm Larger Beam diameter may be provided at additional cost.
Analog Output Permits connection to data logger or chart recorder
Warm-up Time ~ 20 minutes Very stable operation throughout the workday
4-1/2 Digit Readout (LED or LCD) Provides accuracy of 0.02%
Dimensions (W x D x H) 10 x 10.2 x 4 inches Small Footprint
Special Features available, please inquire Designed to accommodate wide range of special requirements to suit customer's application.
Power Requirements 115 Volts 60 Hz 2.0 Amps or
220 Volts 50 Hz 2.0 Amps
Standard Limited Warranty, Parts and Labor 1 year

  For Further Information call Gordon Graham today at (818) 700-1263    E-Mail  techinfo@grahamoptical.com
Graham Optical Systems,  9530 Topanga Canyon Blvd.,  Chatsworth, CA 91311
Copyright © 2014 Graham Optical Systems  All Rights Reserved     This page last updated June 9, 2014