Velleman DVM1325 Manual De Instrucciones

1. Introduction and Safety Information
Thank you for buying the DVM1325 ! We advise you to read this manual thoroughly. You should only use this device
for the applications described in this manual. Unauthorised applications may cause damage to the device.
Environmental Conditions :
- Max. altitude : 2000m
- Max. relative humidity : 90%
- Operation temperature : 0 - 40°C
Maintenance
- All repairs and maintenance activities not described in this manual should be handled by qualified personnel.
- Wipe the housing clean from time tot time with a dry cloth. Do not use abrasives or solvents on this device.
- Replace faulty parts with identical ones.
Safety Symbols
This device is EMC-compatible.
2. Features
This device was designed according to IEC651 type 2, ANSI S1.4 type 2 for sound level meters. The DVM1325
meets the requirements of safety engineers and industrial safety offices for the monitoring of sound quality in various
environments.
- measuring ranges from 32dB to 130dB at frequencies from 31.5Hz to 8KHz.
- 4-digit LCD display with a 0.1dB step.
- two weighted sound pressure levels, A and C.
- the single standard 3.5mm coaxial socket can be used as an AC signal output for frequency analysers, level
recorders, FFT analysers, graphic recorders, etc.
3. Specifications
Standards
Accuracy
Frequency Range
Measuring Level
Frequency Weighting
Microphone
Digital Display
Time Weighting
MAX/MIN Hold
Level Ranges
Dynamic Range
DVM1325
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DVM1325 -- SOUND LEVEL METER
: IEC type 2, ANSI S1.4 type 2
: ± 1.5dB (at 94dB@1KHz)
: 31.5Hz-8KHz
: 32-130dB
: A-C
: ½" electret condenser microphone
: 4-digit LCD, resolution 0.1dB, display period 0.5sec.
: FAST = 125mS or SLOW = 1sec.
: To hold the highest and lowest value obtained during measurements
: a total of 3 ranges : 32-80dB (low), 50-100dB (medium) & 80-130dB (high)
: 50dB
1 VELLEMAN