Square-law process variables – Martel Electronics MasterCAL User Manual
Page 52
MasterCAL
Users Manual
42
Square-Law Process Variables
When you select
√
within scaling, the calibrator takes
the square root of its input and displays the
measurement in percent. For example, when
connected to the output of a delta-pressure
transmitter, the calibrator reading is proportional to
flow rate.
1.
If necessary, press
M
for MEASURE mode.
2.
Select a measurement function (
m
,
v
,
h
,
q
,
t
, or
p
) as previously
described.
3.
Press the
Scale
softkey.
4.
Select
√
scale
from the list.
5.
Use the numeric keypad to enter the 0% of scale
value (
0% Value
).
6.
Press
e
.
7.
Use the numeric keypad to enter the 100% of
scale value (
100% Value
).
8.
Press
e
.
9.
Set
Mode
to
√
.
10.
Press
e
.
11.
Press the
Done
softkey.
Square root percent of scale remains in effect until
you change to another measurement function or
press the
Scale
softkey and select another scale
mode.