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2640A/2645A NetDAQ
Users Manual
2-6
WARNING:
IF VOLTAGES GREATER THAN 50V (2640A ONLY) ARE TO BE MEASURED, A
SEPARATE EARTH GROUND MUST BE ATTACHED TO THIS REAR PANEL
GROUND CONNECTOR WHEN THE INSTRUMENT IS OPERATED FROM BATTERY
POWER.
Line Cord (AC Operation)
External Battery (DC Operation)
+–
Ground for 50-ohm
Termination Ground Lug.
+
WARNING: TO AVOID ELECTRICAL SHOCK, DISCONNECT LINE CORD BEFORE REMOVING COVER
9-16V
DC PWR
DIGITAL I/O
MATO TI 0 1 2 3 4 5 6 7
+30V
ALARM/TRIGGER I/O
ETHERNET
NOT FOR CONNECTION TO
PUBLIC TELEPHONE SYSTEMS
MEETS VFG 243 / 1991
OVERVOLTAGE CATEGORY II PER IEC 1010-1
SERIAL PORT
MODEL
: 2640A / 41A 2645A / 46A
ON / OFF
XMT
RCV LK
107-264V
50/60 Hz
15VA
Figure 2-2. Connecting the Instrument to a Power Source
PWarning
To avoid shock hazard when powering the instrument
with ac power, connect the power cord to a receptacle
with an earth ground.
AC Power 2-6.
Plug the line cord into the connector on the rear of the instrument as shown in
Figure 2-2. The instrument operates on any line voltage between 107 and 264V ac
(45 to 65 Hz) without adjustment. Fluke warrants the instrument to meet
specifications only at 50 Hz and 60 Hz operation. Power consumption is a
nominal 15 watts. Be sure the line cord ground terminal connects to an earth
ground.
PWarning
To avoid shock hazard when powering the instrument
with dc power, connect the instrument ground terminal to
an earth ground.