81
EPG-SPRINT / EPG-SPRINT X
P_01272
SERVICE MANUAL
VERSION 09/2017 ORDER NUMBER DOC2309350
11 MEASURING EQUIPMENT
The quality and accuracy of the measuring equipment ultimately determines the calibration
accuracy. If this quality measuring equipment is not available or if it is not correctly used,
the EPG control units should not be calibrated.
11.1 AIR FLOW MEASURING DEVICE
Float ow measuring devices is the easiest to work
with. It delivers the highest quality reading in terms of
absolute air volume and uctuations.
Two ow measuring devices from Krohne (www.krohne.
com) are shown here. They are VA40V types with an
accuracy of 1% and the two measuring ranges of 0 to
1.1 m³/h and 0 to 5 m³/h.
The values 1 m³/h and 4 m³/h are set during calibration.
11.2 AIR PRESSURE MEASURING DEVICE
Mechanical or electrical measuring device with an
accuracy of 1% and resolution of 2 decimal places is
suited to the pressure measurement.
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