![Extech Instruments CO80 Manual Download Page 28](http://html1.mh-extra.com/html/extech-instruments/co80/co80_manual_2453251028.webp)
CO80 V3.1 04/06
28
Once the second required pressure reading has been dropped, press and
hold
“Log”
to save the report to memory.
If a mistake is made during
the tightness test then it can
be reset by pressing and
holding the
“Clock”
key.
The start pressure and finish
pressure and time interval
are now ready to transfer to
the logging memory. To do
this press and hold the
“Log”
key whilst the
pressure page is displayed –
the Tightness Test is stored
in the next available free
memory report.
To print the report, follow the
procedures detailed in 4.6:
Reports. A typical report is
shown on the right.
-------------------------------------------
EXTECH INSTRUMENTS.
781-890-7740
-------------------------------------------
Combustion Appliance
Test Report
-------------------------------------------
Customer
-------------------------------------------
-------------------------------------------
-------------------------------------------
Appliance
-------------------------------------------
Ref.
-------------------------------------------
Tightness Test
------------------------
Log... ...............27
Date 11:45 5/10/2002
P1 Start (mbar) ....22.3
M2 Stop (mbar) .....22.3
Time Period.... ....2:01
------------------------
5.1.2. Soundness/Tightness Test (Cont.)
The time interval between the two readings is printed as minutes :
seconds. The results are retained permanently in the logging memory until
they are deleted or overwritten.
Should any other screens be scrolled to whilst performing the tightness
test, upon re-entry to the
Pressure
screen
(display 4)
, any Tightness Test
commenced will be resent. The above will have to be repeated.
Should
“Light”
be pressed and hold once the timer has been activated by
pressing and holding the
“Clock”
button, the “dropped” pressure will be
recorded as:
P1
→
P2
→
P2
→
P1
→
P2 etc