DRAFT
MTSE
IO&M Manual
16
Paragon Controls Inc,
Rev J 2/3/2021
Operating Range
Allows user to enter a value which will represent 100% of the process output signal also referred to as
Max on the Normal Active Display page. Touching this box will bring up the Keypad which identifies
the max and min values that can be entered. The max value is calculated at full scale transducer span,
and the min value is calculated using the low limit value entered by the Factory (
Default = 5% of
maximum Vp value
).
If an operating range value is entered outside of the allowable min/max range, the operating range will
be set to the max if the new operating range is higher and set to the minimum if the new operating range
is lower
.
Standard Density
Some manufacturers include standard density in their fan coefficients, sometimes referred to as F factor.
The MTSE is able to remove this standard density term so that actual airflow measurement can be
calculated with density correction. When this field is set to Incld. in the MTSE, this means that standard
density is included in the manufacturer-supplied fan coefficient and therefore the MTSE removes
standard density for airflow calculations. This is not to be confused with correction to standard flow or
velocity; that selection is made in Units and Precision, see Section 4.2.8. This is solely for convenience
in the different ways fan manufacturers present their fan coefficients.
4.2.2. K-Factor
The K-Factor menu is used to make corrections to the display and output values to account for system
effects. The K-Factor menu can be used to correct the MTSE values from zero to entered Op. Range
value as compared to a reference flow value such as a balancer. This page shows a Current Live Value
as seen by the MTSE, and boxes for direct entry of a Balancer Measurement, MTSE Measurement, or
manual K-Factor entry for all three Systems. The K-Factor page is shown below.
The K-Factor calculation can be done internally by the MTSE itself. This is done by entering the MTSE
Measurement as seen on the display at the time of the balancer’s reading and the Balancer Measurement
in the boxes for the system needing correction. Pressing the Calculate K-Factor button will then
calculate the percent change and store the new K-Factor Value. For reference, a current live reading of
flow or velocity measurement are displayed on this page.
