eS440A Sound Level Meter
User Manual
Features:
Sound Level Range: 30 to 130 dB (Auto Ranging)
Frequency weighting: A/C
Fast/Slow time weighting selection
Max Hold function
High accuracy
Bar graph display
AC/DC analog outputs
White Backlight
Over-range / Under-range indicator
Time and date
Auto-off feature
Low Battery Alert
Tripod Mount (Tripod not included)
Important Notes:
Wind blowing across the microphone can cause additional extraneous noise. When using the
instrument in the presence of wind please cover the microphone with the supplied foam ball.
Do not store or operate the instrument at high temperatures or in a high humidity environment.
Keep the microphone dry and avoid severe vibrations.
If the meter will be out of use for a prolonged period remove the batteries.
Calibration is recommended before operation if the instrument has been out of use for an extended
duration or has been stored in extreme conditions (i.e. extreme heat, moisture, vibration, etc.)