1 Preparation for Use
28 Keysight 53220A/53230A User’s Guide
When storing the 53220A/53230A counter, note the following storage
specification:
Use care when moving the counter from cold to warm conditions as condensation
may develop. Ensure that any condensation has evaporated and that the counter
has thermally stabilized before turning on the instrument.
Electrical requirements
The electrical (power) requirements of the 53220A/53230A are summarized
below.
Line voltage and frequency are sensed at power on and no input power
adjustments (e.g. fuse changes, line voltage selection) are required.
Temperature: -30 °C to +70 °C
Power supply:
Power consumption:
CAT I (do not connect to AC mains)
100 to 240 V @ 50/60 Hz (-5% to +10%)
100 to 120 V @ 400 Hz (+ 10%)
90 VA max when power is on or battery option is charging.
6 VA max during power off or standby
For additional information, refer to the Safety Information pages at the
beginning of this guide. For a complete list of 53220A/53230A product
specifications, refer to the data sheet included on the 53210A/53220A/53230A
Product Reference CD (p/n 53220-13601), or on the Web at:
www.keysight.com/find/53220A
www.keysight.com/find/53230A
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