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TE-5170V VFC TSP 19 Operations Manual
Serial #
The Serial number of the calibration orifice you are using
Qa Slope
(m)
The Qa slope of the calibration orifice you are using. This
is found on the calibration documentation provided with
the calibration orifice
Qa Int (b)
The Qa intercept of the calibration orifice you are using.
This is found on the calibration documentation provided
with the calibration orifice
Calibration
Due Date
The date that the calibration of the orifice is due. Orifice
should be calibrated on an annual basis. Call Tisch
Environmental at 1-TSP-AND-PM10 to schedule a
recalibration.
Ambient Conditions
Temp (Deg
F)
Enter the current ambient temperature at calibration, Ta
in Degrees K and Ta in degrees C will be calculated by the
spreadsheet
Barometric
Pressure
Enter the ambient barometric pressure (Pa) inches of Hg
at calibration, the Pa in mmHg will be calculated by the
spreadsheet
2. Enter the calibration information by performing each calibration
point and entering the following information into each
corresponding row for each point:
Calibration Information
Orifice
H20
The pressure measured at the orifice port using a
manometer. The first point should be performed with the
orifice knob turned counter-clockwise or wide open, then
four consecutive points turning the orifice knob clockwise
(not closed)
Good idea to take a few extra points here.
Sampler
H20
The pressure measured at the sampler side port using a
manometer (clear tubing that is connect to bulk head fitting
that is connected to side of filter holder)
The calibrator flow is calculated (Qa) using the formula:
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