32
6 Logging Functions
6-1 Logging
Functions
This product includes functionality for logging and averaging dust concentration data, or other
data, measured at 1-second intervals during a specified period (averaging period) or each time
measurements are started or stopped.
Note: Hereafter, data recorded by the logging function is referred to as log data.
Logging Functions
Start Logging
Logging starts automatically when the power is switched ON.
Stop Logging
Logging stops automatically when the power is switched OFF.
*1
Timing for Logging
When measurements are started or stopped, after each
averaging period
*2
, when the averaging period is changed, or
when the date or time setting is changed
Logged Parameters
Dust concentration, pump suction flowrate, atmospheric
pressure, heater temperature, air temperature
*3
, humidity
*3
, wind
speed
*3
, and wind direction
*3
Logged Information
Average value between previous and current logging event
Number of Log
Events
Max. 9,999 points
*4
Data Acquisition
Data is acquired via a USB or RS-485 connection
*5
*1 Be sure to stop measurements before switching the power OFF. If the power is switched
OFF during a measurement, the measurement data from the last log event until the
power was switched OFF is not logged.
*2 The default averaging period is 60 minutes. For more details, refer to 9-2-2 Setting the
Averaging Period (page 58).
*3 Logged if an optional weather sensor is connected.
*4 Default settings result in overwriting the oldest data after logging 9999 data points. For
more details, refer to 9-2-9 Logging Mode Settings (page 62).
*5 For more information about USB and RS-485 communication, see 10 Communication
(page 72).
