29
Chapter 2 Measurement Preparations
2.3 Connecting the AC Adapter
• Use only the supplied Model 9445-02 AC
ADAPTER (UL, SA10-9010N, SINO-
AMERICAN) or 9445-03 AC ADAPTER
(CEE, SA10-9010G, SINO-AMERICAN).
AC adapter input voltage range is 100 to
240 VAC (with ±10% stability) at 50/60 Hz.
To avoid electrical hazards and damage to
the instrument, do not apply voltage out-
side of this range.
• Turn the instrument off before connecting
the AC adapter to the instrument and to
AC power.
To avoid damaging the power cord, grasp the plug,
not the cord, when unplugging it from the power
outlet.
1.
Connect the output plug of
the AC adapter to the AC
adapter connection terminal.
2.
Plug the AC adapter into a
power outlet.
AC adapter connection terminal
Right side of the 3144-20
When using the AC adapter and batteries together,
AC adapter power is employed.
If AC power supply is interrupted for some reason,
the instrument will automatically switch to battery
power.
Summary of Contents for 3144-20
Page 4: ...Contents iv ...
Page 14: ...Operating Precautions 10 ...
Page 28: ...Chapter 1 Overview 24 ...
Page 46: ...Chapter 2 Measurement Preparations 42 ...
Page 96: ...Chapter 4 Analysis of Recorded Data 92 ...
Page 117: ......
Page 118: ......