Metrix MTX 3292 - Page 19

Functional description
100,000 cts digital multimeters 19
1. Description of the “SETUP” menu (continued)
2. Clamp
 The CLAMP function (y = Ax) enables the
user, measuring a current with a current clamp
in:
- Volts x V/A
- Amperes x A/A
to assign the ratio (or transformation ratio) and
the appropriate unit, in order to obtain a direct
reading of the measured current.
Depending on the quantity measured, the
device calculates the function Ax associated
with it.
The programming is in 3 stages:
1. Selection of the quantity measured,
Measurement (V, A)
2. Definition of the ratio A displayed
on the clamp Val1/ Val2 or:
xxxx.XA/xxxx.XV
(default is 1A/1V)
3. Definition of the physical unit to be
displayed (default is A)
 The ratio A and the unit can be
programmed for each quantity measured
(V, A).
3. Math
 The MATH function (y = Ax + B) enables the
user, measuring any physical quantity in:
- Volts (process 0-10V or high-voltage probe,
for example)
- Amperes 4-20mA current loop or current
clamp, for example)
- Frequency (measurement of flow rates,
speeds of rotation, for example)
- Ohms (resistive position sensor, for
example)
to convert it and assign the appropriate unit, in
order to obtain a direct reading of the original
quantity on the instrument.
Depending on the quantity measured, the
device calculates the MATH function
associated with it.
The programming is in 4 stages:
1. Selection of the quantity measured
(V, A, ,Hz)
2. Definition of the coefficient A of the
function y = Ax + B
3. Definition of the coefficient B of the
function y = Ax + B
4. Definition of the physical unit to be
displayed by the navigator (Upper-case
and lower-case)
 The coefficients A and B and the unit
can be programmed for each quantity
measured (V, A,  , Hz).
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