8588A/8558A
Operators Manual
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• Frequency path bandwidth limit: Choose (OFF) or (ON).
Reduces noise in the frequency counter signal path. If there is excessive
noise observed, turn the bandwidth limit ON for signals <70 kHz.
• Counter Gate: Set to:
o
(Auto)
o (1 ms)
o (10 ms)
o (100 ms)
o (1 s)
• Peak to peak method: This submenu is made active when the Secondary
Reading is set to Pk to Pk.
o (Measured) shows the peak to peak as measured in ACI
assuming no particular signal wave form.
o (Sine)
o (Square)
o (Triangle)
o (Truncated Sine)
through specify the signal wave form type that is measured, and
calculates the peak to peak based on the rms value.
If set to:
• Sine, the peak to peak shown is 2 x (square root of 2) x rms.
• Square is 2 x rms
• Triangle is 2 x (square root of 3) x rms
• Truncated Sine is 4.618803 * rms
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