3M 48N User Manual

i Contents

Contents

Introduction .......................................................................................................................................................... 1

QUESTempº 48N Model....................................................................................................................................... 1

Getting Started ..................................................................................................................................................... 2

Up and Running overview ................................................................................................................................... 2

Placing the QUESTempº 48N on the job site ..................................................................................................... 2

Keypad Operation ............................................................................................................................................... 3

Turning on, logging/capture an event, and turning off ........................................................................................ 4

Sensors................................................................................................................................................................. 6

Globe Thermometer ............................................................................................................................................ 6

Waterless Wetbulb & Relative Humidity Sensor ................................................................................................. 6

Dry Bulb Thermometer........................................................................................................................................ 6

Measurements ..................................................................................................................................................... 7

WetBulb Globe Temperature (WBGT) ................................................................................................................ 7

Stay Times/Rest Times (Indicies) ....................................................................................................................... 7

Remote measurements ....................................................................................................................................... 7

Operating QUESTempº 48N ................................................................................................................................ 8

View .................................................................................................................................................................... 8

Setup ................................................................................................................................................................... 8

Print ................................................................................................................................................................... 10

Reset ................................................................................................................................................................. 10

Run ................................................................................................................................................................... 10

Displayed Items ................................................................................................................................................. 11

Stay Time/Index ................................................................................................................................................ 12

Data Logging ...................................................................................................................................................... 13

Electronic sensor check ................................................................................................................................... 14

Performing an electronic sensor check ............................................................................................................. 14

Sensor Alignment .............................................................................................................................................. 15

RH Sensor Alignment ....................................................................................................................................... 15

Printing ............................................................................................................................................................... 17

Contents