
9
• Do not store or operate the meter in high temperature or high humidity
environments. See Specifications (page 14) for recommended
operating environment ranges.
• Keep the microphone dry and avoid severe vibration.
• Remove the batteries and store the meter in a low humidity
environment when not in use for an extended period of time.
• Repairs or services not covered in this manual should be performed
by qualified personnel only. Please contact Sper Scientific to speak
with a technician.
• Periodically wipe the meter with a dry cloth. Do NOT use abrasives or
solvents on this meter.
TROUBLESHOOTING
1. Meter connected to PC serial port and turned on but still
displays “NO CONNECTION”:
All serial ports may be occupied by other applications. Close other
applications. If the problem is still not resolved, restart the computer
and run the software again.
2. Saving the graph to a file that can be used in Excel:
When saving the graph to a file, the default file format is “*ghf.” Select
the file type as “*csv” (Excel file format) and save. The file is ready to
open in Excel.
3. Uninstalling the SE390 software:
Open the control panel on your PC and launch the Add/Remove
programs application. Highlight SE390 and click the Add/Remove
button. The SE390 folder and files will be removed from the PC.
4. Loading data failure:
Utilizing a notebook PC may cause a slow response.
5. Zooming in on the graph:
Press the left mouse button and drag the cursor to select the new
graph boundaries. Release the mouse button.
6. Meter setup with real time sampling with FAST rate (i.e., 0.1
second), some sampling data may be lost:
This may be caused by slow response time of the PC.