Using Equations With Computed Channels - Fluke 2680A User Manual

2680A/2686A
Users Manual

Using Equations with Computed Channels

If you select the Computed Channel Equation function, and press the Equation
button, the Expression entry dialog appears.
The following is a list of the valid notations in an expression.
Axxx Alarm on/off (Boolean value of 1 or 0)
Cxxx Any channel measurement
C9xx Computed channel
TS Time since last measurement (milliseconds)
TOT Totalizer
Operators +, -, *, /, **, unary +, unary -, abs, exp, int, ln, log, and sqr
Operators Values in integer, floating point or scientific notation (for
example, 1 -2.345 +6.7890E-03)
Each computed channel can have an expression of up to 250 characters but the
total maximum number of characters available in all 60 channels is limited to
6,000 characters.
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