Front Panel Description - Velleman DVM805 Manual Del Usuario

1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm
the environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialised
company for recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for buying the DVM805! Use it only as specified in this manual to avoid erroneous performance.
2. Specifications
Max. altitude
Frequency range
Measuring level range
Frequency weighting
Microphone
Calibration
Display
Resolution
Time weighting
Accuracy
Overrange indication
Auto power-off
Power supply
Battery life
Low-Battery indication
Operating temperature
Storage temperature
Dimensions (H x W x D)
Weight

3. Front Panel Description

1. Wind cap: in wind speeds of >10m/s, put this cap over the microphone
2. ½" electret condenser microphone
3. Display: 3 ½-digit LCD with MAX HOLD, DATA HOLD, Lo, Hi, A, C,
BAT, S, F, dB, and OVER indication
4. POWER ON/OFF button
5. Backlight button
6. A/C weighting button (A = general; C = low frequencies)
7. F/S button: to select slow or fast response
8. Low/Hi button: to select the higher or lower measuring ranges
9. MAX/HOLD button:
10. Battery cover for 9V battery at the back of the meter
DVM805
DVM805 – DIGITAL SOUND LEVEL METER
2000 m
31.5Hz ~ 8 KHz
35 ~ 130dB (Lo: 35-100 dB; Hi: 65-130dB)
A/C
½" electret condenser microphone
electrical calibration with the internal oscillator (1 kHz sine wave)
3 ½ digit LCD
0.1dB
fast (125ms) or slow (1s)
± 1.5dB (under reference conditions)
"OVER" is displayed
after 15 minutes of inactivity
one 9V-battery (NEDA 1604 or 6F22)
± 50hrs (alkaline battery)
"BAT" is displayed
0~40°C (32~104°F) with 10~90% RH
-10 to +60°C (14 to 140°F) with 10~75% RH
210 x 55 x 32 mm
230g (incl. battery)
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VELLEMAN