Preparation F<?R Use; Safety; Line Fuse; Line Voltage And Power Cord - Tektronix 2247A Operator's Manual

· . .o
Introduction
PREPARATION FOR USE
Safety
Refer to the Operators Safety Summary at the front of thi~. manual for
power source, grounding, and other safety Information about th·e use of the
Instrument. Before connecting the 224 7 A to a power source, read this
section and the Safety Summary.
Line Fuse
This instrument can be damaged if the wrong line fuse is
installed.
Verify the proper value of the power-input fuse with the following
procedure.
1. Press in the fuse-holder cap and release it with a slight counter-
clockwise rotation.
2. Pull the cap (with the attached fuse Inside) out of the' fuse holder.
3. Verify proper fuse value.
4. Install the proper fuse and reinstall the fuse-holder cap .
Line Voltage and Power Cord
The 2247 A operates on line voltages from 90 to 250 V with line frequencies
ranging from 48 to 440 Hz. No line voltage selecting Is necessary. Instru-
ments are shipped with the power cord that was requested on the order .
The power cord must match the power-source outlet; if It does not, con-
tact your Tektronix representative or local Tektronix Field Office. See
Figure 1-2 for optional power cords available.
1-4
2247 A Operators
r
I
I
I
I
I
Plug
Configuration
Option
U.S.
Std.
A1
A2
A3
A4
AS
Power Cord/
Plug Type
U.S.
120V
EURO
220V
UKa
240V
Australian
240V
North
American
240V
Switzerland
220V
Line
Voltage
120V
220V
240V
240V
240V ,
2'20V
Introduction
Reference
Standards b
ANSI C73.11
NEMA 5-15-P
IEC 83
UL 198.6
CEE(7),
11, IV, VII
IEC 83
IEC 127
BS 1363
IEC 83
IEC 127
AS C112
IEC 127
ANSI C73.20
NEMA 6-15-P
IEC 83
UL 198.6
SEV
tSC
127
a A 6A , type
c
fuse is also installed inside the plug of the '?ption
'.'2
power cord.
b Reference Standards Abbreviations:
ANSI-American National Standards l~stitute
AS-Standards Association of Australia
BS-British Standards Institution
1
CEE-lnternational Commission on Rules for the Approval of
Electrical Equipment ,
IEC-lnternatlonal Electrotechnical Commission .
NEMA-Natlonal Electrical Manufacturer ' s Ass~lat1on
SEV-Schweizervischer Elektrotechnischer Vere1n
UL-Underwriters Laboratories Inc.
Figure 1-2. Optional power cords.
2247 A Operators
1-5