Helios Large Display Strain Gauge Meter Instruction Manual
PD2-6100
28
Setting the Input Signal (
Input
)
Enter the Input menu to set up the
input polarity, range, Ratiometric
operation, and dual-scale feature.
The meter is capable of accepting
any signal from -250 to 250 mV in
bipolar mode or up to 300 mV in
unipolar mode.
After selecting “Yes” or “No” for
ratio, d-SCAL is displayed.
Selecting “Yes” enables the dual-
scale feature, allowing scaling of
the same input in two different
scales (for PV1 & PV2) or
displaying the percentage of PV1.
Input Polarity Selection
(
PoLAR
)
Select unipolar operation for inputs
in ranges from 0 to 300 mV and
select bipolar operation for inputs
in ranges from -250 mV to +250
mV. This setting determines the
selectable ranges for the millivolt input.
Range Selection (
RANGE
)
This menu is used to select the input range. The selections listed are determined by the
Polarity
setting.
Unipolar mode:
0-15, 0-30, 0-150, 0-300 mV
Bipolar mode:
±15, ±25, ±150, ±250 mV
Ratiometric Operation (
ratio
)
Ratiometric operation corrects the measured strain gauge signal for up to
±
5% variation of either the
internal or external excitation power supply. In order to use the ratiometric operation, the ratiometric
operation menu must be set to yes (
YES
).
Dual-Scale (
d-sCal
)
The analog input can be displayed in two different scales, by enabling the dual-scale feature in the
Setup-
Input
menu, see page 28.
To enable the dual-scale feature you must select d-SCAL in the Input selection menu.
If Polarity (
polar
)
Set to Bi (
bi
)
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