To prevent damaging heat build-up and ensure specified performance, use the
following guidelines.
The rear exhaust vent and either the top or both side intake vents must be unobstructed to
properly dissipate heat. Even partial blockage could impair proper cooling.
Do not position any devices adjacent to the 2601B-PULSE that force air (heated or unheated)
toward its cooling vents or surfaces. This additional airflow could compromise accuracy.
When rack mounting the 2601B-PULSE, make sure there is adequate airflow around both
sides to ensure proper cooling. Adequate airflow enables air temperatures within
approximately one inch of the 2601B-PULSE surfaces to remain within specified limits under
all operating conditions.
If you rack mount high power-dissipation equipment 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.
Starting up your instrument
The following topics describe how to power your instrument on and off, place the instrument in standby,
configure the line frequency, and replace the line fuse.
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.
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