Fluke 561 user manual Table of Contents

Page 3

Table of Contents

Title

Page

Introduction

1

Contacting Fluke

1

Safety Information

2

Features

3

Display

4

Buttons and Connector

5

How the Thermometer Works

6

Operating the Thermometer

6

Locating a Hot or Cold Spot

6

Distance and Spot Size

6

Field of View

7

Emissivity

7

Switching Between °C and °F

8

Using the Contact Temperature Probe

9

HOLD

10

Typical Measurements

10

Measuring Heating/Cooling Duct Insulation Jacket Temperature

10

Measuring Dewpoint Temperature

10

Testing Insulated Return Ducts

11

Scanning Walls for Air Leaks or Insulation Deficiencies

11

Testing Contactors (Starters)

12

Testing Enclosed Relays

12

Testing Fuses and Buss Connections

12

Testing Electrical Connections

12

Testing Bearings

13

Testing Belts and Sheaves

13

Checking Hydronic Radiant Heat Applications

14

Testing Radiant Heat Applications

14

Testing Water Heater Insulation

14

Testing Steam Traps

14

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Contents HVACPro Limited Warranty and Limitation of Liability Table of Contents HVACPro Contacting Fluke IntroductionWWarning Safety InformationFeatures FeaturesDisplay When the battery is low, B appears on the displayButtons and Connector Buttons and ConnectorDistance and Spot Size How the Thermometer WorksOperating the Thermometer Locating a Hot or Cold SpotOperating the Thermometer Field of ViewEmissivity Switching Between C and F XWWarning Using the Contact Temperature ProbeTypical Measurements Measuring Dewpoint TemperatureTesting Insulated Return Ducts Typical MeasurementsScanning Walls for Air Leaks or Insulation Deficiencies Testing Electrical Connections Testing Contactors StartersTesting Enclosed Relays Testing Fuses and Buss ConnectionsTesting Bearings Testing Belts and SheavesChecking Hydronic Radiant Heat Applications Testing Radiant Heat Applications Testing Water Heater InsulationTesting Steam Traps Verifying Thermostat/Room Sensor Accuracy Superheat is a critical temperature CE Certification MaintenanceTroubleshooting MaintenanceInfrared Specifications