28 • Chapter 3: Measuring Mode HS-04 Operator’s Manual
Data Logging
The HS-04 logs Measuring Mode gas readings, alarm data, and calibration data to its internal
memory. Logged data can be download it to a computer via the infrared communications port on
the front of the unit.
The data logging capacity depends on how often the HS-04 stores data and how often the HS-04
is turned on and off. The table below illustrates how much data logging time is available for the
various interval times. It assumes that the unit is only turned on once and there are no alarms. The
data logging interval time must be set using the 04 Series Datalogging Program.
To utilize the HS-04’s downloading capability, you need:
• PC with Windows 7, Windows 8, or Windows 10
• IrDA port or IrDA/USB cable (cable available from RKI Instruments, Inc.)
• 04 Series Datalogging Program (available at www.rkiinstruments.com/04series).
For a complete description of the Datalogging Program and procedures for downloading data to a
computer, see the 04 Series Datalogging Program Operator’s Manual.
Table 6: Data Logging Capacity
Interval
Time
Data Logging
Capacity
10 seconds 10 hours
20 seconds 20 hours
30 seconds 30 hours
1 minute 60 hours
3 minutes 180 hours
5 minutes 300 hours
10 minutes 600 hours
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