Cooling capacity test – Vaisala DM500 User Manual
Page 69
Chapter 12 ___________________________________________________ Self Diagnostics Settings
VAISALA _______________________________________________________________________ 67
the sensor is desired, you can set the automatic checking interval
(1...99 h) as follows:
1.
Open
MENU
: press .
2.
Select ►
Measuring
, press .
3.
Select ►
Self diagnostics
, press .
4.
Select
Sensor circuit chk.
5.
To turn on the sensor checking circuit and set the checking
interval, press
SET
.
6.
Set the interval (1...99 h) by using the numerical buttons.
7.
Press
OK
to confirm the setting. Now the automatic sensor
circuit check will be done in determined intervals.
8.
If needed to turn off the checking operation, press
OFF
.
9.
Press
EXIT
to return to the main view.
Cooling Capacity Test
In the cooling capacity test the sensor is cooled to the lowest possible
temperature. The measurement mode must be stopped during the
cooling capacity test.
1.
Open
MENU
: press .
2.
Select ►
Measuring
, press .
3.
Select ►
Self diagnostics
, press .
4.
Select
Cooling capacity test
5.
Press
START
to start the test. The test may take up to 20 min.
During that time the measuring is stopped and you can follow
the actual temperature of the sensor from the display: