Product Description - Fluke endurance series User Manual

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2. Product Description

The Endurance® Series of instruments consist of 1-Color (monochrome) and 2-Color (ratio)
infrared noncontact temperature measurement systems with variable focus, through-the-lens
sighting, and parallax-free optics. They are energy transducers designed to measure accurately
and repeatedly the amount of heat energy emitted from an object, and then convert that energy
into a measurable electrical signal. Temperature measurements can be taken using either of
the following modes:

1-Color mode (monochrome) – for standard temperature measurements. The 1-color
mode is best for measuring the temperature of targets in areas where no sighting
obstructions, either solid or gaseous, exist. The 1-color mode is also best where the
target completely fills the measurement spot.

2-Color mode – temperatures are determined from the ratio of two separate and
overlapping infrared bands. The 2-color mode is best for measuring the temperature of
targets that are partially obscured (either intermittently or permanently) by other objects,
openings, screens, or viewing windows that reduce energy, and by dirt, smoke, or steam
in the atmosphere. The 2-color mode can also be used on targets that do not completely
fill the measurement spot, provided the background is much cooler than the target.
Each model operates as an integrated temperature measurement subsystem consisting of
optical elements, spectral filters, detector, digital electronics and an IP65 (NEMA-4) rated
housing. Each is built to operate on a 100 percent duty cycle in industrial environments. Various
output types are offered for easy integration into industrial monitoring and control environments.
The following Endurance® series model variants are available, including the several sighting,
cooling and communication options.
1-Color (monochrome) models: E1ML, E1MH, E2ML, E2MH, E3ML, E3MH
2-Color (ratio) models: E1RL, E1RH, E2RL
Please see detailed information under chapter 3 (Technical Data).
Innovative High Temperature Infrared Pyrometers
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