14
Signet 8150 Flow Totalizer
Sensitivity
The SENSITIVITY setting determines how the 8150 responds to sudden surges in the flow rate. It "overrides" the SPEED function just
long enough to allow an actual change in flow rate to be displayed, then resumes the averaging. The result is a smooth flow display
and a quick response to large shifts in the flow rate.
No AVERAGING, no SENSITIVITY
AVERAGING and SENSITIVITY
AVERAGING only
10 s
2 s
20 s
30 s
40 s
50 s
60 s
70 s
No SPEED, no SENSITIVITY
SPEED and SENSITIVITY
SPEED only
No SPEED, no SENSITIVITY
SPEED and SENSITIVITY
SPEED only
With SPEED averaging set to 0 (zero) and with SENSITIVITY set
to zero, the flow rate may be very unstable. This line represents
the actual output of the flow sensor as it responds to unstable
flow conditions in the pipe.
With SPEED set to 60 seconds and SENSITIVITY still set to zero
the flow rate is stabilized, but a sharp change in flow rate is not
represented for 60 seconds or longer. (dotted green line).
With SPEED at 60 seconds and SENSITIVITY set to 6, the flow
rate is stabilized, while the sudden shift in flow is reflected very
quickly (dotted blue line).
NOTE:
The SENSITIVITY function is ineffective if the SPEED function is set to zero (seconds).
No SPEED, no SENSITIVITY
SPEED and SENSITIVITY
SPEED only
ENTER
3x
Enter Security code
2 s
1
3
4
5
6
2
Example: Change the SENSITIVITY from 5 to 8
1. Hold the ENTER key for 2 seconds, then enter the
SECURITY CODE. The display shows the first item in the
menu, AutoCAL.
2. Press the ▲ key once to scroll to SENSITIVITY.
The display shows DISP SENS and the current
sensitivity setting.
3. Press the ► key to select the SENSITIVITY for editing.
The current SENSITIVITY setting begins flashing.
4. Press the ▲ key three times to scroll from 5 to 8.
5. Press the ENTER key to return to the menu.
6. Press ▲ and ▼ keys together to exit the menu and return
to normal operation. The display shows "Storing" for a few
seconds, then returns to the normal operating display.
Содержание Signet 8150
Страница 19: ...19 Signet 8150 Flow Totalizer Notes...