Measurement Computing WiFi-500 Sensor Series User Manual
Page 25

WiFi-500 Sensor Series User's Guide
Changing device logging settings
25
5. To change the sample rate, click
Sample Rate
, select a sample rate from the list, and click
Save
.
Figure 19: Sample Rate settings
6. To change the transmission period, click
Transmission Period
, select a transmission period from the list,
and click
Save
.
Figure 20: Transmission Period settings
7. To change the temperature/humidity alarms, click
Alarm Settings & Audit Check
, change any of the
following settings, and click
Save
.
o
Enable (
On
option) or disable (
Off
option) the low and high alarms for temperature and humidity (if
supported).
o
Enter alarm values for each enabled alarm. The low alarm value must be less than the high alarm
value.
o
To retain the alarm status when the temperature and/or humidity goes between the alarm range, click
the
On
option button for
Alarm Hold
.
For example, if the high alarm is set to 25 °C and the temperature rises to 26 °C, an alarm is triggered.
If the temperature then drops down to 21 °C and
Alarm hold
is selected, the device retains its high
alarm status.
If
Alarm hold
is not selected, the device reverts back to normal status, and the only way to check
missed alarms is to review the logged data.
o
To filter out unwanted alarms by delaying the alarm trigger, select a delay time from the
Alarm Delay
Alarm Trigger by
listbox.
To record an event on the graph when a device is physically checked, select the
Enable
Audit Check
checkbox. You indicate the device being checked by pressing and holding the device button for three
seconds.