DPM TT 570 D Bedieningshandleiding - Pagina 6
Blader online of download pdf Bedieningshandleiding voor {categorie_naam} DPM TT 570 D. DPM TT 570 D 16 pagina's. Micromanometer
Pagina afdrukkenTT Series LR Manual
Page 04
Auto Zero . . .
Slow4
7.7
m/s
AvgVel
4.5
Store
10
TT Series LR Manual
Page 04
Gauge / Duct Static
Measurement:
Orifice Plates:
Flow Grids:
Inlet Cones:
Total Head Probe:
dpm‐i Pitot Tube:
Ellipsoidal Pitot Tube: Input the Pitot Tube factor 1.000.
DISPLAY
Auto Zero . . .
Whenever the auto zero sequence is initiated manually or at preset
'Auto Zero . . .' will be displayed until the cycle is complete.
Being an auto ranging instrument, the resolution and decimal points will
change according to the pressure being applied.
Shows which mode the instrument is in.
Press the FAST SLOW key to change the mode.
Shows the unit of measurement.
Press UNITS to toggle between units of measurement.
Shows the average velocity of the readings stored.
Shows the number of readings stored.
Up to 2500 readings can be stored.
PRESSURE CONNECTIONS
Connect to Signal In. Leave Reference open to atmosphere.
Readings may be positive or negative depending on whether the system
under test is above or below atmosphere pressure.
Connect upstream tapping to Signal In and downstream tapping to Reference.
Pressure readings should always be positive.
Connect +Ve tapping to Signal In and ‐Ve tapping to Reference.
Pressure readings should always be positive.
Connect tapping to Signal In using 'T' pieces to join the annular tapping
together. Leave Reference open to atmosphere, ensuring that the open port
is shielded against significant air movement from the ingoing airstream.
Pressure readings should always be negative.
Connect to Signal In. Leave Reference open.
Readings should always be positive
Input the Pitot Tube factor 0.838.
Connect clear tubing to Signal In and black tubing to Reference.
Use UNITS to toggle to m/s or ft/min depending upon model.
Readings should always be positive.
Connect clear tubing to Signal In and black tubing to Reference.
Use UNITS to toggle to m/s or ft/min depending upon model.
Readings should always be positive.
Slow4
7.7
m/s
AvgVel
Store
4.5
10