Gossen MetraWatt METRAPHASE 1 Bedienungsanleitung

Operating Instructions

METRAPHASE 1

Phase Sequence Indicator 3-348-991-37

7/12.04

2 GOSSEN METRAWATT GMBH

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

(2) Rotation LEDs for frequency display and direction of

phase rotation

(3) Direction of Phase Rotation and Frequency

Green arrow: clockwise rotation;

indicates correct phase sequence

Illuminated green LEDs rotate clockwise.

Frequency:

Indicated by brief, red illumination of corresp. LED.

Dashed red arrow: counterclockwise rotation;

indicates incorrect phase sequence

Illuminated red LEDs rotate counterclockwise.

Frequency:

Indicated by brief, green illumination of corresponding

LED.

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

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

208V

120/

400V

230/

690V

400/

600 V CAT IV

EN 61557 / 1 + 7

GOSSEN METRAWATT GMBH 3

Ta b l e o f C o n t e n t s

Page

1 Safety Precautions .......................................................... 3

2 General Description ......................................................... 5

3 Initial Start-Up ................................................................. 5

4 Operation ......................................................................... 6

4.1 Voltage Display .................................................................. 6

4.2 3-Pole Connection ............................................................. 6

4.3 2-Pole Connection ............................................................ 7

5 Characteristic Values, Phase Sequence Indicator ........... 8

6 Maintenance ................................................................. 10

6.1 Batteries ......................................................................... 10

6.2 Housing .......................................................................... 10

7 Accessories (not included as standard equipment) ...... 11

8 Repair and Replacement Parts Service

DKD Calibration Lab

and Rental Instrument Service ...................................... 12

9 Product Support ............................................................ 12

1 Safety Precautions

General

This instrument fulfills the requirements of the applicable

European and national EC guidelines. We confirm this with

the CE marking. The relevant declaration of conformity can

be obtained from GOSSEN METRAWATT GMBH.

The phase sequence indicator has been manufactured and

tested in accordance with safety regulations IEC 61010-1 /

DIN EN 61010-1 / VDE 0411-1.

When used for its intended purpose, safety of the operator,

as well as that of the instrument, is assured. Their safety is

however not guaranteed if the instrument is used improp-

erly or handled carelessly.

In order to maintain flawless technical safety conditions,

and to assure safe use, it is imperative that you read the

operating instructions thoroughly and carefully before placing

your instrument into service, and that you follow all instructions

contained therein.

Repair and Parts Replacement

When the instrument is opened, voltage conducting parts

may be exposed. The instrument must be disconnected

from the measuring circuit or the device under test before

maintenance or the replacement of parts.

4 GOSSEN METRAWATT GMBH

The following safety precautions must be observed:

• 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

r.m.s. may occur.

• Avoid working alone when taking measurements

which involve contact hazards. Be certain that a

second person is present.

• Make certain that the measurement cables are in

flawless condition, and that they do not suffer from

damage to the conductors or their insulation. This

applies to test probes and alligator clips as well.

• No measurements may be made with this instrument

in electrical circuits with corona discharge

(high-voltage).

• Measurements under moist ambient conditions are not

permitted, nor are their results reliable.

• Use the recommended batteries.

• The instrument is not a voltmeter in the usual sense of

the word: it only reads out voltages within the indicated

ranges.

Errors and Extraordinary Strains

If it may be assumed that the instrument can no longer be

operated safely, it must be removed from service and

secured against further use.

Safe operation can no longer be relied upon,

• if the instrument demonstrates visible damage,

• if the instrument no longer functions.

Meanings of Symbols on the instrument

Warning concerning a point of danger

(Attention: observe documentation)

Earth

Continuous, double or reinforced

insulation

Indicates EU conformity

CAT IV The maximum allowable voltage between any given

connector jack (1) and earth is equal to 600 V,

category IV.

GOSSEN METRAWATT GMBH 5

2 General Description

The instrument provides for the following measurement

and test functions:

• Phase sequence indicator

• Voltage display

• Frequency display

3 Initial Start-Up

Batteries

The phase sequence indicator is delivered with 4 mignon

cells installed and is ready for use. Before initial start-up,

please refer to chapter 6.1 “Batteries”.

Battery Test

If none of the LEDs light up after a voltage has been

applied, or if they are only faintly illuminated, the batteries

must be replaced.

Automatic Activation

The instrument is activated automatically as soon as a

voltage of at least 100 V is applied to any 2 measurement

sockets.

Automatic Shut-Down

The instrument is shut down automatically when zero

voltage is applied in order to extend battery service life.

6 GOSSEN METRAWATT GMBH

4Operation

4.1 Voltage Display

Voltage is displayed by means of 3 red LEDs (5), each of

which indicates a different nominal line voltage. The highest

voltage which occurs between two phases is always

displayed. Voltage is displayed for the following nominal

values: 120 V/208 V, 230 V/400 V und 400 V/690 V.

Missing or Non-Connected Phase

If one of the phases has not been connected to the phase

sequence indicator, or if one phase has not been wired, its

potential at artificial neutral is too small and the correspond-

ing phase LED does not light up. However, the voltage value

LED which corresponds to line-to-line voltage is illuminated.

Exception: If no phase has been connected to terminal L1,

the voltage value LED displays the next lowest voltage

because the instrument is no longer provided with an inter-

nal reference point.

Attention!

The L1 jack at the METRAPHASE 1

must always be contacted first, in order

to avoid erroneous measurements.

4.2 3-Pole Connection

Symmetrical Clockwise Rotation

When a symmetrical, clockwise phase sequence is mea-

sured, phase LEDs L1, L2 and L3 are continuously illuminated

and a green point of light (rotation LED) rotates around the

display dial in the clockwise direction (at approx. 30 RPM).

Symmetrical Counterclockwise Rotation

Phase LEDs L1, L2 and L3 are also continuously illumi-

nated for a symmetrical, counterclockwise phase

sequence, but the color and the direction of the rotating

point of light are changed: it rotates in the counterclock-

wise direction and is illuminated red.

Frequency Display

The appropriate frequency LED lights up briefly in red for a

clockwise phase sequence at the moment the rotating point

of light passes the corresponding position. The frequency

LED lights up green for a counterclockwise phase sequence.

Devices Connected to N or PE

If one of the devices has been connected to N or PE with an

asymmetrical phase sequence the phase LED for the incor-

rectly connected phase does not light up. Phase sequence

direction is indicated in the same way as it is for symmetrical

clockwise or counterclockwise phase sequences.

Wiring Incorrect

If wiring is incorrect, e.g. 2 x L1, ambiguous displays are

likely to occur.

GOSSEN METRAWATT GMBH 7

4.3 2-Pole Connection

The phase sequence indicator also allows for the

determination of phase sequence direction with only

2 connector cables, as long as a line frequency of 50 or

60 Hz prevails:

➭First connect terminal L1 to phase L1, and terminal L2

to phase 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 are also illuminated, which indicates that

the instrument has synchronized itself to phases L1

and L2.

➭Disconnect phase L2 from terminal L2 (see figure B).

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

intermediate stage.

➭Now connect phase L3 to terminal L2 (see figure C).

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

internally. Phase sequence direction and line voltage

value are displayed.

Note!

☞Approximately 2 seconds are allowed for changing

over from L2 to L3. If this time period is exceeded,

the instrument is no longer able to maintain syn-

chronization with the electrical system. This error is

indicated by means of simultaneous illumination of

the LEDs for 60, 100, 300 and 400 Hz. The LEDs

for 100 und 400 Hz are then illuminated in order to

indicate that 2-pole measurement has been

resumed. The same display occurs if phase L2 is

inadvertently reconnected instead of changing to

phase L3.

ABC

8 GOSSEN METRAWATT GMBH

5 Characteristic Values, Phase Sequence Indicator

Line Frequency

1) < 50 Hz/> 400 Hz: both LEDs active

Total frequency range 15 ... 410 Hz

Total line voltage 100 ... 690 V

3 Phase ~Line Voltage

Phase Sequence Direction

Nominal

Frequency Display Range Tolerance Band Display

50 Hz 1) 49.4 ... 50.7 Hz 49.2 ... 50.9 Hz 50 Hz

LED is active

— 51.1 ... 57.9 Hz 50.9 ... 58.1 Hz 50 Hz and 60 Hz

LEDs are active

60 Hz 58.3 ... 61.0 Hz 58.1 ... 61.2 Hz 60 Hz

LED is active

— 61.4 ... 97.3 Hz 61.2 ... 97.5 Hz 60 Hz and 100 Hz

LEDs are active

100 Hz 97.7 ... 102.8 Hz 97.5 ... 103 Hz 100 Hz

LED is active

— 103.2 ... 195 Hz 103 ... 195.2 Hz 100 Hz and 200 Hz

LEDs are active

200 Hz 195.4 ... 205.6 Hz 195.2 ... 205.8 Hz 200 Hz

LED is active

— 206 ... 298.6 Hz 205.8 ... 298.8 Hz 200 Hz and 300 Hz

LEDs are active

300 Hz 299 ... 303.4 Hz 298.8 ... 303.6 Hz 300 Hz

LED is active

— 303.8 ... 395.3 Hz 303.6 ... 395.5 Hz 300 Hz and 400 Hz

LEDs are active

400 Hz 1) 395.7 ... 405.8 Hz 395.5 ... 406 Hz 400 Hz

LED is active

Nominal Line Voltage

LED Display

Display Range

L-L Voltage

Corresponding

L-N Voltage

120/208V 180 ... 300 V 104 ... 173 V

230/400V 360 ... 470 V 208 ... 271 V

400/690V 530 ... 800 V 306 ... 462 V

Phase

Direction

Phase

Sequence

Display at

Phase LEDs Display at Rotation LEDs

Clockwise L1 - L2 - L3 L1 L2 L3

light up

green LED rotates

in clockwise direction

Counter-

clockwise L3 - L2 - L1 L1 L2 L3 light up red LED rotates in

counterclockwise direction

Asymmetrical Lx - N/PE - Lx

connection with

N/PE

not indicated

green or red LED rotates

clockwise or

counterclockwise

depending upon connection

Phase Missing Lx - X - Lx

missing phase

does not light up,

the other 2 do

light up

—

GOSSEN METRAWATT GMBH 9

Reference Conditions

Ambient Temperature +23 °C ±2K

Relative Humidity 40 ... 60%

Battery Voltage 4.5 V ±0.25 V

Line Voltage 230/400 V ±0.5%

Line Frequency 50 Hz ±0.1 Hz

Line Voltage

Waveshape sine, deviation between effective

and rectified value < 1%

Ambient Conditions

Storage Temperature –25 °C ... +75 °C

Operating Temperature –10 °C ... +50 °C

Relative Humidity max. 75%, no condensation

Altitude to 2000 m

Power Supply

Battery 4 mignon cells, alkaline-

manganese per IEC LR6

(4 x AA-Size)

or 4 mignon cells, zinc-carbon

per IEC R6

Battery Voltage 4 V ... 6 V

Battery Service Life approx. 100 hours

with alkaline-manganese cells

Electrical Safety

Protection Class II per IEC 61010-1

Measuring Category IV

Operating Voltage 600 V

Contamination Level 2

Test Voltage 5.55 kV

Electromagnetic Compatibility

Interference Emission/Interference Immunity

IEC 61326

Mechanical Design

Protection IP40 per DIN VDE 0470 Part 1/

EN 60529

Extract from table on the signifi-

cance of IP codes

Dimensions 84 mm x 195 mm x 35 mm

Weight approx. 0.3 kg with batteries,

without protective rubber cover

IP XY

(1st digit X)

Protection against the

penetration of solid

foreign matter

IP XY

(2nd digit Y)

Protection against the

penetration of water

4≥1.0 mm

∅

0 no protection

10 GOSSEN METRAWATT GMBH

6 Maintenance

6.1 Batteries

Attention!

Disconnect the instrument from the measuring cir-

cuit before opening to replace batteries.

Before initial start-up and after any period of storage, make

certain that no battery leakage has occurred. Inspect for

battery leakage at regular intervals as well.

If battery leakage has occurred, the electrolyte from the

batteries must be carefully and completely removed with a

damp cloth, and the batteries must be replaced before the

instrument is placed back into service.

If none of the LEDs light up after a voltage has been

applied, or if they are only faintly illuminated, the batteries

must be replaced.

The instrument requires four 1.5 V batteries in accordance

with IEC or equivalent rechargeable batteries.

Replacing the Batteries

Lay the instrument onto its face, loosen both of the screws

at the rear panel and lift out the housing base starting at

the side at which the screws are located. The housing

base and housing top are fastened together by means of

snap hooks at the other side.

Replace the batteries in the battery holder with 4 new

batteries.

Replace the housing base starting at the side with the snap

hooks and make certain that they are properly engaged.

Refasten the housing base with the two screws.

Please dispose of depleted batteries in an environmentally

sound fashion, for example at an appropriate collection

depot.

Note!

☞The phase sequence indicator is not equipped with

any fuses!

6.2 Housing

No special maintenance is required for the housing. Keep

outside surfaces clean. Use a slightly dampened cloth for

cleaning. Avoid the use of cleansers, abrasives or solvents.

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