Gossen Metrawatt PROFITEST REMOTE handleiding

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Gossen Metrawatt

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Handleiding

10 Gossen Metrawatt GmbH

4.2 Measuring Loop Impedance (Z

)

ATTENTION!

Single-Phase Mains Connection

The phase must be connected to L1

for single-phase mains connection.

4.2.1 Measuring Loop Resistance with the

PROFITEST MTECH+ IQ or

PROFITEST

MXTRA IQ

Preparing for Measurement

➭ Connect the test instrument’s test plug

to the PRO-SCHUKO plug insert.

➭ Disconnect the system from all sources

of voltage before connecting the mea-

suring points to the test adapter.

➭ Connect the system to sockets L1, L2,

L3, N and PE.

➭ Switch the system on.

Performing the Measurement

ATTENTION!

Insulation test voltage may not ex-

ceed 500 V.

➭ Perform the measurement as described

in the operating instructions for the re-

spective test instrument:

PROFITEST MTECH+ IQ: sections 5.8 and 9

PROFITEST MXTRA IQ: sections 5.8 and 9

NOTE!

Measurement of loop impedance Z

with the PROFITEST MTECH+ IQ and/

or PROFITEST MXTRA IQ is conducted

with sine (full-wave) and 15 mA sine.

Measurements with DC and halve-

wave are not possible.

Overview of Connected Conductors

The red illuminated LEDs in the connections

overview indicate the respectively connected

conductors.

Continuity, Z

4.2.2 Measuring Loop Impedance with the

PROFITEST PRIME

Preparing for Measurement

➭ Using the corresponding test probes,

connect the test instrument to the L, N

and PE sockets at the test adapter.

➭ Disconnect the system from all sources

of voltage before connecting the mea-

suring points to the test adapter.

➭ Connect the system to sockets L1, L2,

L3, N and PE.

➭ Switch the system on.

Performing the Measurement

ATTENTION!

Insulation test voltage may not ex-

ceed 500 V.

NOTE!

If many loop measurements are per-

formed with the PROFITEST PRIME in

quick succession, fine-wire fuses in

the PROFITEST REMOTE may blow. This

is due to the increased test current in

order to achieve a higher measuring

accuracy.

➭ Perform the measurement as described

in the operating instructions for the test

instrument:

PROFITEST PRIME: sections 8.6 and 13

➭ Loop impedance is measured using the

LOOP AC/DC measurement variant.

Test

Sequence

L-PE

LED Display (red)

01/3 L1-PE LED1 + LED11

02/3 L2-PE LED2 + LED11

03/3 L3-PE LED3 + LED11

PROFITESTREMOTE Measurements

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