Other functions, Setting alarm levels, Chapter 8 – Vaisala HM70 User Manual
Page 35
Chapter 8 ___________________________________________________________ Other Functions
VAISALA _______________________________________________________________________ 33
CHAPTER 8
OTHER FUNCTIONS
Setting Alarm Levels
→
HM70 is alarming by beeping and blinking the backlight. The alarm
turns on when the measured value is not between the alarm limits
(permissible area). Alarm level(s) can be set for only one quantity at a
time. Set the alarm levels as follows:
1.
Open the
MENU:
press
OPEN.
2.
Select
Functions
, press
.
3.
Select
Alarm,
press
.
4.
Select
Quantity
and press
SET
to choose a quantity.
5.
Select quantity, press
SELECT
.(Only one quantity can be
chosen at a time. Only active quantities can be selected. To
change the active quantities, go to
MENU- Display- Quantities and
units
).
6.
Select the first limit, press
SET
(if the alarm function is ON,
take it OFF).
Set the alarm level by using arrow buttons
.
Press
+/-
button to choose the sign of the alarm level. Press
OK
to
save the setting.
7.
Select the second limit, then follow instructions in item 6. The
alarm will go off when the upper limit is exceeded or when
lower limit is gone below.
If you have only one limit, e.g. if you want to detect if the
humidity is rising above 50 % RH, set the upper limit to 50 %