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CHAPTER 2
The SIM 3 Hardware
2.1.2. Rear Panel
SOURC E
Conne ct to
3081 only
Conne ct to
3088 only
Se rial No.
Made in USA
with domestic
and foreign parts
2.1.2.1. AC Connector
SIM 3 uses a PowerCon 3-pole AC mains system with locking connectors to prevent
accidental disconnection and complies with worldwide product safety standards.
CAUTION: Ensure that you select the correct power plug for the AC power in
the area in which you use your SIM 3 system.
When the front-panel power/standby switch is pressed, SIM 3 system’s Intelligent AC™
power supply automatically selects the correct operating voltage, allowing the analyzer to
be used internationally without manually setting voltage switches. The Intelligent AC supply
performs the following protective functions to compensate for hostile conditions on the AC
mains:
■ Suppresses high-voltage transients up to several kilovolts
■ Filters common mode and difference mode radio frequencies (EMI)
■ Sustains operation temporarily during low-voltage periods
■ Provides soft-start power-up, which eliminates high inrush current
The SIM 3 audio analyzer operates safely if the AC voltage stays within the operating window
of 88 to 264 V AC, at 47 to 63 Hz.
CAUTION: Voltages higher than 264 V AC may damage your SIM 3 unit.
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