4.3 Starting and Stopping Recording
43
3
4
Chapter 4 Measurement and Analysis
Recording cannot start when the battery is depleted. When the battery
becomes exhausted during recording, recording stops.
See: "2.1 Installing (or Replacing) the Battery" (p.17)
Control of Power to Temperature/Humidity Sensor
The logger supplies power to the temperature/humidity sensor for mea-
suring humidity but control is performed so that the power is supplied
approximately 30 seconds before the recording timing in order to
increase the battery life and enable stable measurement.
Therefore, the operation is as follows depending on the setting state of
the logg
er.
When recording is started ([RE
C] indicator is on)
When recording is stopped ([RE
C] indicator is off)
About the Recording Start Time
Since the power to the temperature/humidity sensor is controlled (for
approximately 30 seconds), if the recording start operation is performed or
a scheduled time is set immediately before the recording timing (within
approximately 1 minute), the first measurement data will not be recorded
and recording will be performed from the next recording timing.
Example:
If the recording interval is 1 second and recording is started at 12:00:00,
the fir
st data will be from 12:00:30.
If the recording interval is 1 minute and recording is started at 12:00:00,
the fir
st data will be from 12:01:00.
If the recording interval is 10 minute and recording is started at
12:00:
00, the first data will be from 12:10:00.
Screen Display Recording Interval Power Supply
OFF
30 seconds or
less
Always
OFF 1 minute or more
Starts from approximately 30 sec-
onds before the recording timing.
ON Any of the above Always
Screen Display Power Supply
OFF None
ON Always
12:00:00
Recording Start
Operation
12:00:30
Actual Recording Start
Power Control
(Approx. 30
Seconds)
12:00:00
Recording Start Operation
12:01:00
Actual Recording Start
Power Control
(Approx. 30 Seconds)
12:00:00
Recording Start Operation
12:10:00
Actual Recording Start
Power Control
(Approx. 30
Seconds)
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