Mastech MS5900 User manual

MS5900

Three Phase Rotation Indicator

Users Manual

MS5900

MOTOR&PHASEROTATIONINDICATOR

Introdution....................................................1

CONTENTS CONTENTS

1. Symbols.................................................4

List of Figures

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

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

Symbols.......................................................4

Elements Of The Apparatus...........................5

Using the Motor &

Phase Rotation Indicator.......................6

Determine Rotary Field Direction...............6

Non-Contact Rotary Field Indication...........8

Determine The Motor Connection.............10

Magnetic Field Detection.........................11

Maintaining The Apparatus......................11

Cleaning................................................12

Replacing And Disposing

Of The Batteries.................................12

Specifications........................................14

2. Reliable Motor

Test Requirements............................10

1. Motor And Phase

Rotation Indicator................................4

2. Phase Indication Table............................7

3. Motor Rotation........................................9

4. Battery Replacement ............................13

List of Tables

03 0 4

Symbols

• Measurements can be adversely affected by

impedances of additional operating 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.

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

Elements Of The Apparatus

Indicators, buttons, and jacks are shown

in Figure 1.

MS5900

MOTOR&PHASEROTATIONINDICATOR

Figure 1.

Test lead input jack

L1、L2、L3

Indicators

Clockwise

Rotation

LED Indicator

ON/OFF

button

Explain

Faceplate

Counter-Clock

wise Rotation

LCD Indicator

ON/OFF

Indicator

07 0 8

Warning

The rotary indicator lights even

if the neutral conductor, N, is connected instead

of L1, L2, or L3. Refer to Figure 2 (also shown on

the face of the apparatus) for more information.

Figure 2. Phase Indication Table (shown on the

face of the apparatus)

Non-Contact Rotary Field Indication

For non-contact rotary field indication:

1. Disconnect all test leads from the apparatus

2. Position the Indicator on the motor so that it is

parallel to the length of the motor shaft. The

Indicator should be one inch or closer to the motor.

See Figure 3.

3. 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.

09 1 0

Note

The Indicator will not operate with engines

controlled by frequency converters. The bottom of

the apparatus should be oriented towards the drive

shaft. See the Orientation Symbol on the apparatus.

Figure 3. Motor Rotation

See Table 2 for the minimum motor diameter and

number of pole pair to obtain a reliable test result.

11 1 2

Note

The bottom of the apparatus should be oriented

towards the drive shaft . See the Orientation

Symbol on the apparatus.

Either the Clockwise or Counter Clockwise Rotary

indicator illuminates showing the type of rotary

field direction present.

Magnetic Field Detection

To detect a magnetic field, place the apparatus to

a solenoid valve. A magnetic field is present if

either the Clockwise or the Counter Clockwise

Rotary indicator illuminate.

Maintaining The Apparatus

This section provides basic maintenance

information.

To avoid damaging the apparatus:

• Do not attempt to repair or service the

apparatus unless qualified to do so.

• Make sure that the relevant calibration,

performance test, and service information

is being used.

Caution

Cleaning

Periodically wipe the case with a damp cloth and

mild detergent. Clean only with soap and water and

remove any residue afterwards.

Caution

To avoid damaging the apparatus:

• Do not use abrasives or solvents. Abrasives

or solvents will damage the apparatus case.

• Prior to cleaning, remove test leads from the

apparatus.

Replacing And Disposing Of The Batteries

Warning

To avoid electric shock, disconnect the test

leads from the source before opening the

apparatus for battery replacement.

Note

The apparatus contains alkaline batteries. Do not

dispose of these batteries with other solid waste.

Used batteries should be disposed of by a qualified

recycler or hazardous materials handler.

The apparatus uses a 9 V battery (supplied).

To replace the battery, follow these steps and refer

to Figure 4:

1. Disconnect test leads from any power source.

2. Remove the holster.

3. Place the apparatus face down on a nonabrasive

surface and loosen the battery-door screw with

a flat-blade screwdriver.

4. Lift the battery access lid away from the apparatus.

5. Replace the battery as shown in Figure 4.

Observe the battery polarity shown in the battery

compartment.

6. Secure the battery access lid back in position

with the screw.

7. Place the apparatus back in the holster.

Figure 4. Battery Replacement

HYS006727

Table of contents

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