Fluke 345 [9/80] Title page

Table of Contents

Title Page

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

Symbols ................................................................................................ 1

Safety Instructions ................................................................................ 2

Specifications........................................................................................ 4

Electrical Data .................................................................................. 4

General Data ..................................................................................... 11

Qualified Personnel............................................................................... 12

Safe Operation ...................................................................................... 12

Proper Usage......................................................................................... 12

Warranty ............................................................................................... 13

Electrical Connections .......................................................................... 13

Accessories ........................................................................................... 13

Risks During Clamp Meter Operation .................................................. 13

Device Shutdown.................................................................................. 14

Maintenance and Repairs...................................................................... 14

Measuring Inputs and Power Adapter................................................... 15

Voltage Measuring Input .................................................................. 15

Power Adapter and USB Connection................................................ 15

Design and Functions............................................................................ 16

Front View........................................................................................ 17

Rear and Side View .......................................................................... 18

Using the Clamp Meter......................................................................... 19

Check the Shipment.......................................................................... 19

Preparing Clamp Meter for Use ........................................................ 19

Initial Setup................................................................................... 19

Switching the Clamp Meter On..................................................... 20

Switching the Device Off.............................................................. 21

Connection to Circuits .......................................................................... 21

Connecting Sequence........................................................................ 21

Overview....................................................................................... 22

Voltage and Current Measurements.............................................. 22

Single Phase Power Measurement Connection............................. 24

Balanced Three-Phase Power Measurement Connection.............. 25

Configuration........................................................................................ 26

Operating Controls and Display........................................................ 26