Introduction; How It Works - RayTek Raynger ST20 Pro Standard Manual

English
Transmitted energy
Target
4
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Reflected energy
Emitted energy
EMISSIVITY

Introduction

We are confident you will find many uses
for your handheld noncontact thermome-
ter. Compact, rugged, and easy to use—
just aim, pull the trigger, and read the
temperature in less than a second. You
can safely measure surface temperatures
of hot, hazardous, or hard-to-reach
objects without contact.

How it Works

Infrared thermometers measure the sur-
face temperature of an object. The unit's
optics sense emitted, reflected, and trans-
mitted energy, which are collected and
focused onto a detector. The unit's elec-
tronics translate the information into a
temperature reading which is displayed
on the unit. The laser is used for aiming
purposes only.
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