Voltage Measurement - TESTO 770 Instruction Manual

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7 Carrying out a measurement
-
The instrument is in
2.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
-
The instrument automatically detects the
-
The measured value is shown on the LC display.
Manual measuring mode
Instrument is in automatic measuring mode
1.
Exit
AUTO µA
2.
Switch between
-
The measured value is shown on the LC display.
Switch to automatic measuring mode: press
-
The instrument is in automatic measuring mode when
illuminated on the LC display.

7.3. Voltage measurement

When measuring AC voltage, the frequency is measured at the
same time and shown in the relevant row on the LC display.
Automatic measuring mode
1.
Switch instrument on: set rotary switch to
-
The instrument switches on.
-
The instrument is in
2.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument features a built-in zero crossing detector. When the
measured signal (voltage or current) indicates zero crossings, the
instrument automatically switches to AC measuring mode. If
continuity is indicated, the instrument switches to DC measuring
mode.
-
The measured value is shown on the LC display.
Manual measuring mode
Instrument is in automatic measuring mode
1.
Exit
AUTO V
2.
Switch between
-
The measured value is shown on the LC display.
3.
Switch to automatic measuring mode: press
-
The instrument is in automatic measuring mode when
illuminated on the LC display.
14
AUTO µA
measuring mode: press
µA AC
and
µA
AUTO V
mode.
measuring mode: press
V AC
and
V
DC: press
mode.
µA AC
AUTO
[
]
<1 s.
DC: press
[
[
]
>1 s.
.
AUTO
[
]
<1 s.
[
]
<1 s.
[
or
µA DC
mode.
µA.
]
<1 s.
AUTO
is
V.
]
>1 s.
AUTO
is

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