Gossen MetraWatt METRAPHASE 1 Bedienungsanleitung

Operating Instructions

METRAPHASE 1

Phase Sequence Indicator 3-348-991-37

13/4.20

2 GMC-I Messtechnik GmbH

(1) Connector sockets for phases L1 ... L3

(2) Rotary LEDs for displaying frequency and phase

sequence

(3) Phase sequence and frequency

Green arrow: Clockwise rotation,

LEDs light up green and rotate clockwise

Momentary frequency:

Indicated by LED which briefly lights up red

Dashed red arrow: Counterclockwise rotation,

LEDs light up red and rotate counterclockwise

Momentary frequency:

Indicated by LED which briefly lights up green

(4) Phase LEDs, indicate voltage at L1 ... L3

(5) Voltage value LEDs, indicate line-to-line voltage value

208V

120/

400V

230/

690V

400/

600 V CAT IV

GMC-I Messtechnik GmbH 3

Meanings of Symbols on the Device

Warning concerning a point of danger

(attention: observe documentation)

Ground

Continuous, doubled or reinforced

insulation

CAT IV Maximum allowable voltage between the

connector sockets (1) and ground it is

600 V category IV.

EU conformity marking

This device may not be disposed of with house-

hold trash. Further information regarding the

WEEE mark can be accessed on the Internet at

www.gossenmetrawatt.com by entering the

search term “WEEE”.

4 GMC-I Messtechnik GmbH

Table of Contents

Page

1 Safety Instructions .......................................................... 5

2 Applications .................................................................... 7

2.1 Intended Use / Use for Intended Purpose ............................. 7

2.2 Use for Other than Intended Purpose .................................. 7

2.3 Liability and Guarantee ...................................................... 7

2.4 Opening the Instrument / Repairs ....................................... 7

3 Initial Startup ................................................................... 8

4 Operation ......................................................................... 8

4.1 Voltage Display .................................................................. 8

4.2 3-Pole Connection ............................................................. 9

4.3 2-Pole Connection ............................................................ 9

5 Characteristic Values, Phase Sequence Indicator ......... 11

6 CE Declaration ............................................................... 13

7 Maintenance ................................................................. 13

7.1 Battery ............................................................................ 13

7.2 Housing .......................................................................... 14

7.3 Returns and Environmentally Sound Disposal .................... 14

8 Accessories (not included) ............................................ 14

9 Repair and Replacement Parts Service

Calibration Center and Rental Instrument Service ........ 15

10 Product Support ............................................................ 15

GMC-I Messtechnik GmbH 5

1 Safety Instructions

Observe this documentation, in particular all included

safety information, in order to protect yourself and others

from injury, and to prevent damage to the instrument.

• Carefully and completely read and adhere to these

operating instructions.

This document can also be accessed at http://

www.gossenmetrawatt.com. Retain this document for

future reference.

• Tests may only be performed by a qualified electrician,

or under the supervision and direction of a qualified

electrician. The user must be instructed by a qualified

electrician concerning performance and evaluation of

the tests.

• Wear suitable and appropriate personal protective

equipment (PPE) whenever working with the instru-

ment.

• Only use accessories which are included with the

instrument or listed as optional accessories.

• Carefully and completely read and adhere to the prod-

uct documentation for accessories. Retain these doc-

uments for future reference.

• The instrument may only be operated by persons who

are capable of recognizing contact hazards and taking

the appropriate safety precautions. Contact hazards

exist anywhere, where voltages of greater than

30 V RMS may occur.

• Do not work alone when performing measurements

which involve contact hazards. Be certain that a sec-

ond person is present.

• If the device doesn’t function flawlessly, remove it from

operation and secure it against inadvertent use.

• The device may only be used as long as it’s in good

working order.

Inspect the housing before use. Pay particular atten-

tion to any possible cracks and the insulation around

the sockets.

Damaged components must be replaced immediately.

• Accessories and cables may only be used as long as

they’re fully intact.

Inspect all cables and accessories before use. Pay

particular attention to damaged housings, interrupted

insulation or kinked cables.

Damaged components must be replaced immediately.

• Do not use the instrument after long periods of storage

under unfavorable conditions (e.g. humidity, dust or

extreme temperature).

• Do not use the instrument after extraordinary stressing

due to transport.

• Use the instrument only within the specified ambient

conditions.

• Use the instrument only in accordance with the speci-

fied protection class (IP code).

6 GMC-I Messtechnik GmbH

• The instrument must not be exposed to direct sunlight.

• The instrument and the included accessories may only

be used for the measurements described here and in

the operating instructions for the instrument.

• Only use the instrument and the accessories within the

specified measuring category.

• Do not perform any measurements in electrical circuits

with corona discharge (high-voltage).

• Do not use the instrument if the battery compartment

cover has been removed. Touch contact with danger-

ous voltage is otherwise possible.

GMC-I Messtechnik GmbH 7

2 Applications

2.1 Intended Use / Use for Intended Purpose

The instrument is a phase sequence indicator with elec-

tronic rotary dial, frequency display and nominal line volt-

age display.

Note!

It’s not a voltmeter in the usual sense of the word –

it only indicates voltage within the specified ranges.

Safety of the operator, as well as that of the instrument, is

only assured when it’s used for its intended purpose.

2.2 Use for Other than Intended Purpose

Use of the instrument for any purposes other than those

described in these operating instructions is contrary to use

for intended purpose.

2.3 Liability and Guarantee

GMC-I Messtechnik GmbH assumes no liability for prop-

erty damage, personal injury or consequential damage

resulting from improper or incorrect use of the product, in

particular due to failure to observe the product documen-

tation. Furthermore, all guarantee claims are rendered null

and void in such cases.

2.4 Opening the Instrument / Repairs

The instrument may only be opened by authorized, trained

personnel in order to ensure flawless, safe operation and to

assure that the guarantee isn’t rendered null and void.

Even original replacement parts may only be installed by

authorized, trained personnel.

Unauthorized modifications to the instrument are prohib-

ited.

If it can be ascertained that the instrument has been

opened by unauthorized personnel, no guarantee claims

can be honored by the manufacturer with regard to per-

sonal safety, measuring accuracy, compliance with appli-

cable safety measures or any consequential damages.

8 GMC-I Messtechnik GmbH

3InitialStartup

Batteries

The phase sequence indicator is shipped ready to use with

four AA batteries. Before initial startup, be sure to read

section 7.1, “Battery”.

Battery Test

If none of the LEDs light up after applying voltage, or if

they’re very dim, the batteries need to be replaced.

Switching the Instrument On Automatically

The instrument is switched on automatically when a volt-

age of at least 100 V is applied to 2 measuring sockets.

Automatic Shutdown

The instrument is switched off automatically when voltage

is no longer applied. Battery service life is extended in this

way.

4Operation

Attention!

Measurements per DIN EN 61010-031 may only

be performed in environments in accordance with

measuring categories III and IV with the safety cap

attached to the test probe at the end of the mea-

surement cable.

Note!

In order to establish contact inside 4 mm sockets,

the safety caps have to be removed by prying open

the snap fastener with a pointed object (e.g. the

other test probe).

Note!

The phase sequence indicator does not include

any fuses!

4.1 Voltage Display

Voltage is displayed by means of 3 red LEDs (5) which are

allocated to the respective nominal line voltages. The high-

est voltage which occurs within the circuit between two

phases is always detected.

Voltage is displayed for nominal voltages 120 V/208 V,

230 V/400 V and 400 V/690 V.

Missing or Unconnected Phase

If one of the phases isn’t connected to the phase

sequence indicator, or if it isn’t included in the wiring, its

potential is too small relative to the artificial neutral point.

The corresponding phase LED does not light up in this

case. However, the voltage value LED lights up in accor-

dance with line-to-line voltage.

GMC-I Messtechnik GmbH 9

Special case: If the phase is missing at the L1 connector

socket, the voltage value LED indicates the next lower volt-

age because in this case the instrument no longer has an

internal reference point.

Attention!

The L1 socket on the METRAPHASE 1

must always be contacted first

in order to prevent erroneous measurements.

4.2 3-Pole Connection

Symmetrical Clockwise Rotation

If symmetrical clockwise rotation is measured, phase LEDs

L1, L2 and L3 are continuously lit up and an illuminated

green spot (rotary LED) rotates in the clockwise direction

around the display loop (approx. 30 RPM).

Symmetrical Counterclockwise Rotation

In the case of symmetrical counterclockwise rotation,

phase LEDs L1 through L3 light up as well, but color and

direction of the rotating spot are changed: it rotates in the

counterclockwise direction and lights up red.

Frequency Display

In the case of clockwise rotation, the LED assigned to the

momentary frequency briefly lights up red, as soon as the

illuminated rotating spot passes its position. In the case of

counterclockwise rotation, the corresponding LED lights

up green.

Instrument Sockets Connected to N or PE

If one of the sockets is connected to N or PE, the LED for

the incorrectly connected phase doesn’t light up. Phase

sequence indication is the same as for clockwise or coun-

terclockwise rotation.

Incorrect Wiring

If wiring has not been completed correctly, e.g. 2 x L1,

indefinite displays can be expected.

4.3 2-Pole Connection

ABC

10 GMC-I Messtechnik GmbH

Phase sequence can also be determined with just 2 con-

nector cables if line frequency is 50 or 60 Hz:

1 Contact phase L1 first via connector socket L1 and

then connect phase L2 via connector socket L2 (see

figure A).

Phase LEDs L1 and L2, as well as the corresponding

voltage value LED, light up red. The two LEDs for 100

and 400 Hz also light up. This indicates that the instru-

ment has synchronized itself to phases L1 and L2.

2 Disconnect socket L2 from phase L2 (see figure B).

The two LEDs for 50 and 200 Hz light up during this

standby mode.

Now connect phase L3 via the L2 socket (see figure C).

Phase LEDs L1 and L3 light up red. L2 is generated in-

ternally. Phase sequence and line voltage value can be

read from the display.

Note!

Changing from L2 to L3 must be completed within

approximately two seconds. If this duration is

exceeded, the instrument is no longer able to

maintain synchronization with the mains. The 60,

100, 300 and 400 Hz LEDs light up simultaneously

to indicate that this is the case. The 100 and

400 Hz LEDs then light up, in order to indicate that

2-pole measurement has been restarted. The

same display sequence is used in the event that

the same phase is contacted again erroneously

instead of changing from one phase to the other.

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