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TESA 2000

(Patent Number 5,659,397)

The AZ Technology TESA 2000 Portable Inspection Instrument represents substantial innovation and considerable advancement in laboratory portable instrumentation for determining ambient temperature total emittance and solar absorption of test surfaces. It is compact, lightweight, rugged, and ergonomically engineered for ease of use in the field or in the laboratory.
The TESA 2000, by virtue of an advanced optical system, is a powerful combination of two instruments in one package. The TESA 2000 provides in a single unit:

  • A portable reflectometer/emissometer that performs optically integrated total hemispheric reflectance measuremens from less than 3 to greater than 35 micrometers wavelength. Performs the same measurement as the TEMP 2000A, providing improved emittance determination performance and maintainability over the Gier Dunkle DB-100 IR Reflectometer.
  • A portable solar absorption/reflectometer that performs optically integrated total hemispheric reflectance measurement.

The TESA 2000 optical system has been designed to minimize losses, to facilitate and maintain optical alignment, and to utilize the features of AZ Technology's patented ellipsoid collector that allows compactness for portability, efficiency, and measurement accuracy. The instrument is fully portable and can be used in the most remote locations. The instrument is available with carrying cases (which will fit in the overhead bin of most jet aircraft), rechargeable batteries, battery charger, instrument inspection head, display unit, and an operator vest.

The table below lists specifications for the TESA 2000.

Emittance wavelength <3um to >35um (not limited by filters, windows, etc.)
Measurement accuracy (for specular and diffuse samples) - ± 1% of full scale for gray samples
- ± 3% of full scale for non-gray samples
Repeatability - ± 0.5% of full scale or better
Sample type Any Sample, including foils, insulators, etc.
Sample size and geometry -Flat Surfaces: ≥ 0.4 inches (1 cm) diameter
Sample temperature Room Temperature, Ambient
Readouts

-Digital LCD panel meter
-Selectable solar reflectance solar absorption and IR reflectance/emittance display

Measurement range (reflectance) 0.00 to 1.00

Dimensions

-Optical Head: 5" diameter x 8" long
-Control and Display Unit: 7.5 x 5.5 x 3 inches
-Battery Box: 7.5 x 6.25 x 4.0 inches
-Carry Case: 12.5 x 17 x 11 inches

Weight -Optical Head: 6 pounds
-Control and Display Unit: 3.25 pounds
-Battery Box: 11 pounds
-Carry Case: 9 pounds
Warranty 1 year parts and labor

 

 

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