TSI Instruments HM685, Owner'S Manual

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5-10 Hydronic Manometer Model HM685
P u m p L a w D e l t a P
This Calculations Menu option allows for determination of required pump
pressure drop. The calculation is based upon the following affinity law:
Pump pressure drop varies as the square of flow.
Actual Flow
Actual Differential
Pressure
Desired Flow
Required
Differential
Pressure
Inputs
The following inputs are necessary for calculating the required pump
pressure drop.
Use the ▲ and ▼ keys to select the parameter to be
updated, and the ◄ and ► keys to change the value of the highlighted
field. Units for the inputs are driven by what was last set in the Pressure
and Flow Measurement screens.
Flow1 The actual system flow rate.