Morris 57088 Bedienungsanleitung

Users Manual

Motor & Phase Rotation Indicator

Model 57088

Table of Contents

Introduction….…............................................. 1

Accessories..................................................... 1

Safety Information .......................................... 2

Symbols.......................................................... 5

Elements of the apparatus ............................. 6

Using the Motor & Phase Rotation

Indicator.......................................................... 7

Determine Rotary Field Direction ................... 7

Non-Contact Rotary Field Indication ............. 9

Determine the Motor Connection ................ 11

Magnetic Field Detection............................... 13

Maintaining the apparatus............................ 13

Cleaning........................................................ 13

Replacing and Disposing of the

Batteries ……………………………….……... 14

Specifications .............................................. 18

List of Tables

1. Symbols .................................................... 5

2. Reliable Motor Test

Requirements ........................................... 11

List of Figures

1. Motor and Phase

Rotation Indicator...…..……..…….……... 6

2. Phase Indication Table ............................. 8

3. Motor Rotation ........................................ 10

4. Battery Replacement .............................. 17

Motor and Phase Rotation

Users manual

- 1 -

Introduction

Motor and Phase Rotation Indicator is a

handheld, battery-operated instrument

designed to detect the rotary field of

three-phase systems and determine

motor-rotation direction.

Accessories

Motor and Phase Rotation Indicator ships with

the following items:

•3 test leads

•3 test probes

•3 alligator clips

•9V battery

•Users Manual

If an item is damaged or missing, contact the

place of purchase immediately.

Motor and Phase Rotation

Users manual

- 2 -

Safety Information

Caution identifies conditions and actions

that may damage the apparatus.

Warning identifies conditions and

actions that pose hazard(s) to the user.

Read First: Safety Information

To avoid possible electric shock or fire, do

the following:

•Read the following safety information

carefully before using or servicing the

instrument.

•Adhere to local and national safety codes.

•Individual protective equipment must be

used to prevent shock and injury.

•Use of instrument in a manner not

Motor and Phase Rotation

Users manual

- 3 -

specified by the manufacturer may impair

safety features/protection provided by the

equipment.

•Avoid working alone.

•Inspect the test leads for damaged

insulation or exposed metal. Check test

lead continuity. Damaged leads must be

replaced. Do not use the apparatus if it

looks damaged.

•Be careful when working above 30 V ac

rms, 42 V ac peak and 60 V dc. Such

voltages pose a shock hazard.

•When using the probes, keep fingers away

from probe contacts. Keep fingers behind

the finger guards on the probes.

•Measurements can be adversely affected

by impedances of additional operating

Motor and Phase Rotation

Users manual

- 4 -

circuits connected in parallel or by

transient currents.

•Verify operation on a known source prior

to measuring hazardous voltages (voltages

above 30 V ac rms, 42 V ac peak and 60 V

dc).

•Do not use the apparatus with any of the

parts removed.

•Do not use the apparatus around explosive

gas, vapor, or dust.

•Disconnect the test leads from power

sources and the apparatus before

changing the battery.

•Do not use the apparatus in a wet

environment.

Motor and Phase Rotation

Users manual

- 5 -

Symbols

The following symbols appear on the Motor and

Phase Rotation Indicator or in this manual.

Table 1. Symbols

Attention!

Dangerous Voltage!

Ground

Low Battery

Fuse

European union directives

Double insulation

Motor and Phase Rotation

Users manual

- 6 -

Elements of the apparatus

Indicators, buttons, and jacks are shown

in Figure 1.

Figure 1.

、

Indicators

Test lead input jack

Clockwise

Rotation

LED Indicator

ON/OFF

button

Explain

Faceplate

Orientation

Symbol

ON/OFF

Indicator

Clockwise

Counter

LED

Motor and Phase Rotation

Users manual

- 7 -

Using the Motor & Phase Rotation

Indicator

Determine Rotary Field Direction

To determine the rotary field direction:

1. Connect one end of the test leads to the

apparatus Make sure the L1, L2, and L3 test

leads are connected to the corresponding

input jacks.

2. Connect the test probes to the other end of

the test leads.

3. Connect the test probes to the three mains

phases. Press the ON/OFF button. The

green ON indicator shows that the instrument

is ready for testing.

Either the Clockwise or Counter Clockwise

Rotary indicator illuminates showing the

type of rotary field direction present.

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