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RayTek MARATHON MR - User Manual

RayTek MARATHON MR
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MARATHON
MR
2-Color Infrared Thermometer
Operating Instructions
Rev. E2 04/2011
56913

Table of Contents

Questions and Answers

  • J
    jay08Jul 30, 2025
    Why does my RayTek Thermometer show erroneous temperature?
    • C
      campbellzacharyJul 30, 2025
      If your RayTek Thermometer displays an incorrect temperature, there might be several reasons. It could be due to a faulty sensor cable, so verify the cable continuity. An obstruction in the field of view might also cause this, in which case you should remove the obstruction. A dirty window lens can also lead to erroneous readings, so try cleaning the lens. Finally, incorrect slope or emissivity settings can cause this issue; correct the setting to resolve it.
  • E
    erik84Aug 13, 2025
    What to do if the temperature fluctuates on RayTek MARATHON MR?
    • D
      Dr. Jeffery BlackburnAug 13, 2025
      If the temperature reading on your RayTek Thermometer fluctuates, it might be due to incorrect signal processing settings. Try correcting the Peak Hold or Average settings.

Summary

WARRANTY

Safety Instructions

Product Description

Theory of Operation for 2-Color Sensors

Explains the principles behind 2-color infrared temperature measurement technology.

Technical Data

Measurement Specifications

Lists key performance metrics like temperature range, accuracy, and resolution.

Electrical Specifications

Details power requirements, outputs, and connectivity.

Environment

Installation

Mechanical Installation

Details sensor mounting, distance, and placement considerations.

Aiming and Focusing

DIN Connector Wiring

Power Supply Requirements

PC Connection via USB;RS485

Describes connecting to a PC using a USB/RS485 converter.

PC Connection via RS232;485

Explains connecting to a PC using RS232/485 interface converters.

Sensor Addressing

Operation

Control Panel Overview

Describes the sensor's control panel, buttons, and display functions.

Operation Modes

Explains how to select and configure different operating modes like temperature display and emissivity.

Inputs and Outputs

Factory Defaults Reset

Programming Guide

Command Structure and Rules

Transfer Modes (Poll vs. Burst)

Command List

A comprehensive table of available commands, their formats, and legal values.

Maintenance

Troubleshooting Minor Problems

Lists common issues, their causes, and solutions.

Fail-Safe Operation

Lens Cleaning Procedure

RayTek MARATHON MR Specifications

General IconGeneral
BrandRayTek
ModelMARATHON MR
CategoryThermometer
LanguageEnglish

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