Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 2: Installation
2601B-PULSE-901-01A April 2020 2-9
If high power dissipation equipment is rack mounted next to the 2601B-PULSE, it could cause
excessive heating. To produce specified 2601B-PULSE accuracies, maintain the specified
ambient temperature around the surfaces of the 2601B-PULSE. In rack configurations with
convection cooling only, proper cooling practice places the hottest non-precision equipment
(for example, the power supply) at the top of the rack away from and above precision
equipment (such as the 2601B-PULSE).
Mount precision equipment as low as possible in the rack, where temperatures are coolest.
Adding space panels above and below the 2601B-PULSE will help provide adequate airflow.
Turning the instrument on and off
The 2601B-PULSE operates from a line voltage of 100 V to 240 V at a frequency of 50 Hz or 60 Hz.
Line voltage is automatically sensed (there are no switches to set). Make sure the operating voltage
in your area is compatible.
Follow the procedure below to connect the 2601B-PULSE to line power and turn on the instrument.
Operating the instrument on an incorrect line voltage may cause damage to the instrument,
possibly voiding the warranty.
To turn a 2601B-PULSE on and off:
1. Before plugging in the power cord, make sure that the front-panel POWER switch is in the off (O)
position.
2. Connect the female end of the supplied power cord to the AC receptacle on the rear panel.
3. Connect the other end of the power cord to a grounded AC outlet.
The power cord supplied with the 2601B-PULSE contains a separate protective earth (safety
ground) wire for use with grounded outlets. When proper connections are made, the
instrument chassis is connected to power-line ground through the ground wire in the power
cord. In addition, a chassis ground connection is provided through a screw on the rear panel.
This terminal should be connected to a known protective earth. In the event of a failure, not
using a properly grounded protective earth and grounded outlet may result in personal injury
or death due to electric shock.
Do not replace detachable mains supply cords with inadequately rated cords. Failure to use
properly rated cords may result in personal injury or death due to electric shock.
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