Fluke 1742 Guida alla configurazione

Manual Supplement

Manual Title: 1742/1746/1748 Users Supplement Issue: 2

Part Number: Web-Only Issue Date: 8/18

Print Date: October 2017 Page Count: 5

Revision/Date:

This supplement contains information

necessary to ensure the accuracy of

the above manual.

1742/1746/1748 Users Manual Supplement

8/18 1

Change #1, 562

On page 28, replace the Note with:

Note

Most power quality standards, such as EN 50160, 9,

GOST 33073 refer to IEC 61000-4-30 Class A

measurement methods that require Harmonic Sub-

Groups.

Under examples replace the first paragraph with:

Select Harmonic Components for measurements according to

standards that require the harmonics components measurement

according to IEC 61000-4-7, for example IEEE 519 or IEC 61000-3-12.

On page 52, under Environmental Specifications replace the

Operating Temperature with:

Operating…..-25 °C to +50 °C (-13 °F to +122 °F) warm up the Product to

-10 °C (14 °F) before you turn on power.

Change #2, 597

On page 12, replace the Measurement Line Power Source

section with:

Measurement Line Power Source:

XWWarning

To prevent injury, do not touch the metal parts of one test lead

when the other is still connected to hazardous voltage.

WCaution

To prevent damage to the Product, make sure the measured voltage

does not exceed the input rating of the power supply.

1. Attach the power supply to the Logger.

2. Move the slide-cover on the power supply to access the safety

sockets.

3. Connect the short test leads (see Figure 7B & 7C) with the

power supply inputs. Make sure to use the non-stackable plugs.

The test leads are rated for measurement/overvoltage CAT III

1000 V and CAT IV 600 V.

Manual Supplement 1742/1746/1748 Users

2 8/18

4. Connect the test leads with the voltage measurement inputs:

 Connect A/L1 with one input of the power supply.

 Connect N with the second input of the power supply.

 Connect A/L1 with one input of the power supply.

 Connect B/L2 with the second input of the power supply.

5. Use the short fan out of the Voltage Test Lead, 3-phase + N.

Plug the connector A/L1 into the socket A/L1 of the voltage

measurement inputs of the Logger. Repeat this with B/L2, C/L3

and N.

Manual Supplement 1742/1746/1748 Users

3 8/18

 For measurement connection to the Logger (see Figure

7A):

POWERQUALITYLOGGER

1746

POWER QUALITY LOGGER

1746



Figure 7A: Measurement connection to the Logger

1742/1746/1748 Users Manual Supplement

8/18 4

 To supply power to the Logger from installations with neutral

voltage (see Figure 7B):

POWERQUALITY LOGGER

1746

Figure 7B: Measurement with neutral voltage and supplying

instrument power. Note

On single-phase systems, use the set of 1.5 m test leads (item 8

in Figure 7).

6. Connect the voltage inputs to the test points.

The Logger automatically turns on and is ready to use in <30

seconds.

Manual Supplement 1742/1746/1748 Users

5 8/18

 To supply power to the Logger from installations without neutral

voltage (see Figure 7C):

POWERQUALITY LOGGER

1746

Figure 7C: Measurement without neutral voltage and supplying

instrument power.

Note

On single-phase systems, use the set of 1.5 m test leads (item 8

in Figure 7).

7. Connect the voltage inputs to the test points.

The Logger automatically turns on and is ready to use in <30

seconds.

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