TSI Instruments FHC50 User Manual

Technical Section 39
CALIBRATE FLOW SUBMENU
LOM VENTURI VALVE ONLY
MENU ITEM
SOFTWARE
NAME
ITEM DESCRIPTION
ITEM RANGE
DEFAULT
VALUE
RESET FLOW
CALIBRATION
FHM10 and FHC50
FLOW RESET
CAL
The RESET CAL menu item zeroes out the flow calibration
adjustments. When this menu item is entered, the controller
will prompt the user to verify that they want to do this by
displaying the message “Are You Sure.” Entering YES
resets the flow calibration factors for this flow device to
defaults and shows the message “Changes Saved.”
Entering NO will cancel the reset and show the message
“Changes Not Saved.”
NONE
WARNING: Monitor and/or controller alarm functions will
not be maintained after resetting flow
calibration. Immediately recalibrate monitor or
controller after resetting flow calibration.
MINIMUM FLOW
FHM10 and FHC50
VENTURI LF MIN
FLOW
The VENTURI LF MIN FLOW item sets the flow rate
through the venturi valve when it is fully closed. The display
will indicate a volumetric flow rate. Adjust the displayed
value to match the flow through the venturi valve.
NOTE: The flow information can be obtained from the
label on the TSI Venturi Valve or by closing the
venturi valve using the CONTROL OUT item in
the DIAGNOSTICS menu and performing a pitot
tube traverse of the duct.
The VENTURI LF MIN FLOW menu item must be
completed before moving on to the VENTURI LF MAX
FLOW menu item.
0 to 10000 cfm
0 cfm

TSI Instruments FHC50 Specifications

General

Brand	TSI Instruments
Model	FHC50
Category	Controller
Language	English