User guide
15
Pressure
●Do not expose the pressure sensor to more than 75kPa of pressure.
Excess pressure may cause serious damage to the sensor.
●The operating temperature must be between 5
o
C and 40
o
C or 41
o
F
and 104
o
F when measuring pressure. The instrument may not
operate properly outside of this temperature range.
●Make sure to perform a zero adjustment before measuring
pressure. When performing a zero adjustment, leave both pressure
ports (+) and (-) open.
●The zero adjustment range is – 0.5 to 0.5 kPa. If the reading is out
of this range, an error message will be displayed.
■Zero Adjustment Procedure
Press to enter the Main Menu.
Use to select “8. PRESSURE ZERO”
and press .
Use to select “1. ZERO ADJUST”
and press
.
Use to select “YES”.
Press
to display 0.00 kPa.
Use to select “2. SAVE INFO”.
Press . This will complete the zero
adjustment and you are back in Main
Menu.
If you press
before you save, you will go back to the Main Menu
without completing the zero adjustment.
■ Connecting the Pressure Tube
Connect the pressure tube to the (+) or (-)
port as you see on the left.
Connect/insert the other end of the tube to the
measuring hole of the duct. If the pressure
that you are going to measure is positive,
connect the tube to (+) port. If it is negative,
connect the tube to (-) port.
aaaaPRESSUREaZERO
1.ZEROaADJUSTaaaYES
2.SAVEaINFO
00.00h
aaaaPRESSUREaZERO
1.ZEROaADJUSTaaaYES
2.SAVEaINFO
00.00h
aaaaPRESSUREaZERO
1.ZEROaADJUSTaaaYES
2.SAVEaINFO
-0.00h
MENUaa1.NORMAL
aaaaaa2.DUCTaTYPE
aaaaaa3.CALCULATION
aaaaaa4.FLOWaRATE
aaaaaa5.DATAaOUTPUT
aaaaaa6.DATAaCLEAR
aaaaaa7.UTILITY
aaaaaa8.PRESSUREaZERO
*In order to take
an accurate
measurement,
make sure that the
tube is properly
secured without
any leakage, or
bends.
■ Pressure sensor is
only available on
MODEL6501-B0/-C0.