Velleman DVM1326 Mode D'emploi

DVM1326 – DIGITAL SOUND LEVEL METER
1. Introduction
Thank you for buying the DVM1326 ! Please read the manual carefully before bringing this
device into service.
This digital sound level meter can be used for sound level measurements in factories, schools,
offices, airports, etc. It can also check the acoustics of studios, auditoriums and hi-fi
installations.
2. Features
• two operating modes
• A & C weighting
• high (65 to 130dB) and low (35 to 100dB) measuring ranges
• 0.1dB resolution
• fast/slow response
• data-hold and max-hold functions
• large 3 ½-digit LC display with function indication
• built-in calibration circuit (94dB)
3. Specifications
Display
Max. Display
Polarity
Overrange Indication
Low-Battery Indication
Measurement Rate
Storage Temperature
Power Supply
Dimensions (H w W x D)
Weight
Measurement Range
Resolution
Typical Frequency Range
Frequency Weighting
Time Weighting
Accuracy
Microphone
DVM1326
with functions dB, A & dB, C & dB, Lo & dB, Hi & dB and
MAX HOLD, DATA HOLD indication
1999
automatic negative (-) polarity indication
"OL"
"BAT" is displayed when the battery voltage drops below
operating level
1.5/second (nominal)
-10 to +60°C (14 to 140°F) with RH < 80%
one 9V-battery (NEDA 1604 or 6F22)
251 x 64 x 40
250g
A LO (low) - Weighting : 35 – 10dB
A HI (high) - Weighting : 65 – 130dB
C LO (low) - Weighting : 35 – 100dB
C HI (high) - Weighting : 65 – 130dB
0.1dB
30Hz – 10KHz
A & C
fast
± 3.5dB at 94dB, 1KHz sine wave
built-in electret condenser microphone
1 VELLEMAN