Sentry Sample II Low Pressure Installation, Operation & Maintenance Manual page 21

temperature. This allows an alarm reset in the event the high temperature alarm set point
was inadvertently set or if the set point is lower than the desired sample temperature.
Low Flow: Alerts operators the total flow is below the alarm threshold. The common alarm
relay is set.
Low Flow Hysteresis: This set point determines when the low flow alarm clears. The
system remains in low flow alarm until the total flow rises above the low alarm level plus
the alarm hysteresis.
Low Pressure: Alerts operators the pressure is below the alarm threshold. The common
alarm relay is set.
Low Pressure Hysteresis: This set point determines when the Pressure alarm clears. The
system remains in low-pressure alarm until the pressure rises above the low alarm level
plus the alarm hysteresis.
Units
Figure 21. Units
U n i t s S e t u p
E n g l i s h
Figure 21 shows the unit selection screen. To toggle the displayed units between English
and SI, use the ▲ and ▼ keys. To return to the previous screen, use the ENTER key.
Options
Figure 22. Measurement Options
M e a s u r e m e n t O p t i o n s
I n l e t P r e s s u r e
E n a b l e d
Figure 22 shows the measurement options screen. This screen is used to enable or disable
optional measurement options. To enable or disable the displayed option, use the ▲ or ▼
key. To advance to the next measurement option, use the ENTER key. After all options have
been set, the screen returns to the continued setup screen (screen 2). Available options
are: Inlet Pressure and Temperature, Outlet Pressure and Temperature, and Cooling Water
Temperature.
Sentry Sample Sentry II 21