Velleman DVM1326 - Manual

DVM1326 VELLEMAN 1
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
with functions dB, A & dB, C & dB, Lo & dB, Hi & dB and
MAX HOLD, DATA HOLD indication
Max. Display 1999
Polarity automatic negative (-) polarity indication
Overrange Indication “OL”
Low-Battery Indication “BAT” is displayed when the battery voltage drops below
operating level
Measurement Rate 1.5/second (nominal)
Storage Temperature -10 to +60°C (14 to 140°F) with RH < 80%
Power Supply one 9V-battery (NEDA 1604 or 6F22)
Dimensions (H w W x D) 251 x 64 x 40
Weight 250g
Measurement Range
A LO (low) - Weighting : 35 – 10dB
A HI (high) - Weighting : 65 – 130dB
C LO (low) - Weighting : 35 – 100dB
C HI (high) - Weighting : 65 – 130dB
Resolution 0.1dB
Typical Frequency Range
30Hz – 10KHz
Frequency Weighting A & C
Time Weighting fast
Accuracy ± 3.5dB at 94dB, 1KHz sine wave
Microphone built-in electret condenser microphone