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HP21-TOS

Measurement Procedure

Set the necessary measurement conditions in advance by referring to the

TOS3200 user’s manual.
The connection between the EUT and the probe/test lead varies depending on

the type of touch current to be measured and the EUT class. See Table 4-1, “Test

lead connections for the type of TC measurement”, chapter 4, “TC and PCC

Tests” in the TOS3200 user’s manual. When referring the user’s manual, read

“test lead A” as “cable A.”
Connect test lead B to the test point on the EUT. For details, see “Connecting the

Test lead (TL21-TOS)”, chapter 4, “TC and PCC Tests” in the TOS3200 user’s

manual.

Fig.5

Connection example for touch current measurement



Starting the measurement

•

There is a danger of electric shock. Never touch the
contact pin while the DANGER LED is illuminated.

When you connect the probe to the TOS3200, the READY indicator on the

display turns off. Even though, you can start the test using the START switch on

the probe.
Keep holding down the START switch. If you release the switch, the

measurement is aborted. The DANGER LED illuminates while the

measurement is in progress. The DANGER LED illuminates (or turns off)

simultaneously with the DANGER lamp on the TOS3200.
When you connect the probe to the TOS3200, the START switch on the panel is

disabled. The STOP switch remains enabled.

EUT

To the test point

WARNING

Содержание HP21-TOS

Страница 1: ...ety Precautions Touching the contact pin will cause electric shock Never touch the contact pins while the DANGER LED is illuminated Be sure to connect the control cable Do not execute the test using t...

Страница 2: ...in the insulation of the probe cable or test lead Check that the START switch can be pressed normally Check that the contact pin is not damaged or loose Adjusting the pin It is dangerous if the pin is...

Страница 3: ...ewdriver under the pawl of the cap lift the pawl and remove the cap Connecting to the TOS3200 When the probe is connected to the TOS3200 the TOS3200 becomes to the equivalent condition as when the STO...

Страница 4: ...n the TOS3200 user s manual Fig 5 Connection example for touch current measurement Starting the measurement There is a danger of electric shock Never touch the contact pin while the DANGER LED is illu...

Страница 5: ...agent or dis tributor Maintenance Periodic maintenance and inspection are essential to maintain the initial performance of the product over an extended period Be sure to remove the probe from the test...

Страница 6: ...0 rh or lower no condensation Insulation resistance Between the contact pin and enclosure 100 M or more 500 Vdc Withstand voltage Between the contact pin and enclosure 2 mA or less when applying 2300...