10 TEGAM WAY • GENEVA, OHIO 44041
440-466-
6100 • FAX 440
-466-
1-3
Section I
–
Introduction
Power Source
This product is intended to connect to a power source that the voltage between the supply
conductors or between either supply conductor and ground will not apply more than the
voltage rating for the particular power supply. A protective ground connection by way of
the grounding conductor in the power cord is essential for safe operation.
Line Voltage Selection
The power supply in a Model 1830A operates with a line voltage of 100 to 240 VAC at
48 to 62 Hz.
CAUTION DO NOT APPLY POWER TO THE INSTRUMENT BEFORE READING THIS SECTION.
Check the Power Cord
Make sure the power cord supplied with the Model 1830A is not frayed, broken, or
cracked. A damaged power cord is a fire and electrical hazard. If the power cord is
damaged, it should be replaced.
Use the Proper Fuse
To avoid fire hazard, use only the correct fuse type as specified for the AC power supply in
the unit. The correct fuse for the 1830A is a 250 V 1.5 Amp slow blow fuse.
The fuse is located just below the power cord socket. Before replacing the fuse, place the
Model 1830A front panel power switch to the OFF position and remove power cord on the
back of the Model 1830A. To replace the fuse, gently slide out the fuse drawer. Remove
the old fuse and snap a new one into the fuse holder. Reinstall the fuse by simply pushing
the fuse drawer back into its original position. The fuse drawer should snap into place.
Grounding the Equipment
This product is grounded through the grounding conductor of the power cord.
WARNING To avoid electrical shock or other potential safety hazards, plug the power cord
into a properly wired receptacle before using this instrument. The proper grounding of this
instrument is essential for safety and optimizing instrument operation.
Danger Arising from Loss of Ground
WARNING If the connection to ground is lost or compromised, a floating potential could
develop in the instrument. Under these conditions all accessible parts, including insulating
parts such as keypads and buttons could develop a hazardous voltage and put the user at
risk.
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