Model 2750 Multimeter/Switch System User’s Manual Rel, Math, Ratio, Channel Average, dB 5-11
Reciprocal (1/X)
The reciprocal of a reading is displayed when the reciprocal (1/X) math function is
enabled:
Reciprocal = 1/X
where: X is the normal input reading
The displayed units designator for reciprocal readings is “R.” This units designator cannot
be changed.
Example — Assume the normal displayed reading is 002.5000Ω. The reciprocal of resis-
tance is conductance. When the reciprocal math function is enabled, the following conduc-
tance reading will be displayed:
0.400000 R
Reciprocal (1/X) configuration
1. Press SHIFT and then MATH to display the math menu.
2. Press the RANGE
Δ or ∇ key to display “1/X,” and press ENTER. The MATH
annunciator will turn on, and the result of the calculation will be displayed. Note
that the calculation will be applied to all measurement functions.
3. To disable 1/X, again press SHIFT and then MATH. The MATH annunciator will
turn off.
NOTE The result of the 1/X calculation may be displayed in exponential notation. For
example, a displayed reading of +2.500E+03 R is equivalent to 2500 R
(2.5K R).
When using Rel, the rel’ed reading of the input signal is used by the 1/X
calculation.
2750-900-01.book Page 11 Wednesday, August 3, 2011 7:56 AM
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