PRO-265: Sound Power / ISO 374 +

Sound Power fitting ISO 3741/44/45/46

NetdB PRO-265: Sound Power measurements become easier and quicker!
Our 12-channel turn-key solution complying with ISO standards (ISO3741, ISO3744, ISO3745, ISO3746) for sound power measurements in wider range of situations.

To make an easy job of sound power measurement according to ISO 3744 in normal rooms, ISO 3745 in semi-anechoic and anechoic environment, ISO 3746 in external open space

Easy to use
Battery operated §User oriented Graphical Interface
High measurement/calculation capabilities in a few clicks
Remote control operations most relevant for very low noise measurement conditions

Key features

Automatic measurements and reporting

Measurement of Background level, SPL, Power level
Data Reloading and editing at any time
Curves copy/paste »Word Label for certification
Multi-channel Data storage in a specific Data base
All data: sound pressure, background, power levels possibly exported in HTLM format
Word report and certification label document

A complete set of tools for data management

Full Predefined measurement configurations for each standard
Pre definition for number of microphones, meshing, extra-sensors
No need to read the full documentation to launch the first test.
Sensors distribution automatically managed during the acquisition
Reverberation data input
Create measurements sequence w/out individual weighting coefficients

Options

Multi-channel Sound power in reverberant rooms
Moving sources according to CE2000/14
Tonality and impulsiveness following the ISO7779 and ECMA074 standards

Applications

Industrial , Machineries manufacturers, Research laboratories , Industrial consultancy, Certification authority, Construction Machines, Household appliances

PRO-265 Technical Specifications

Hardware NetdB12

PC Link (Type/seed): Ethernet 100MBits connector RJ45 and 2 x USB II sockets (Rear panel)
PDA Link (type/seed): WiFi 802.11g 54Mbits for remote control
Storage: 100 GB HDD (12 hours of continuous measurement @ 12 channels 51.2KHz 24bit)
Base channel numbers: 4, 6, 8, 10, 12 up to 127
Maximum throughput rate: 12 channels units can be chained12 Channels @ 51.2kHz 24bit on each NetdB-DAQ12
Channel input connectors: BNC with high rigidity frame
Signal output: 2 x BNC connectors
Digital Input/Output: RCA connector for SPDIF In/Out
Digitization: 24 bits linear
Sampling Frequency: 51.2kHz, 25.6kHz, 12.8kHz, 400Hz

Analog input Characteristics

Input impedance: 1MOhms
Input range: 10V, 1V, 100 mV RMS
Maximum allowable voltage: -20V/+30V peak
Sensor power supply: IEPE and TEDS (IEEE1451.4) compliant
Anti-aliasing low-pass filter cut: DC, AC 0.3 Hz, AC 20 Hz
Dynamic range: 105dB
External trigger: BNC connector

Power supply

Battery: Internal NiMH 4000mAH, 1H45 continous operation 12 channels
Main adaptor: External Main Adaptor 100/240VAC - 50-60 Hz
Power consumption: 20W
Car adaptator supplied: DC 9-18V with jack

Environmental

Operating temperature: 0°C to 60°C
Storage temperature/humidity/Pressure: -10 to 50°C, 10 - 90% RH (no condensation), 500 - 1060 hPa
Operating position: Horizontal and Vertical
Vibration resistance: 10ms-2 (9-200Hz), 3mm (2-9Hz) operating
Shock resistance: 250ms-2 (2ms) operating
Vibration class: EN60721-3-4 class 4M5
Noise emission: LWA 49dBA with fan running, LWA 33dBA fan off, software selectable (ISO7779)
EMI: EN55011, EN55014, EN61000-4.2, EN61000-4.3, EN61000-4.4, EN61000-4.5, EN61000-4.6, EN61000-4.11
Safety: UL3101-1; CSA C22.2 No.1010.1; EN 61010-1 A1+A2

Software dBPOWER

OS: MS Windows XP PRO
PC Processor: PII o sup., 600 MHz o sup.
RAM: 512 Mb o sup.
Ports: Ethernet

Physical

Dimensions: 250mm (W) x 85mm(H) x 263mm(D) excluding projections
Weight: 3.5kg

Sensors

1/2" general purpose pre-polarized microphones, covering a frequency range from 3.15 Hz to 20 kHz
High sensitivity: measures SPL down to 15dB re. 20µPa

Standards supported: ISO3745 for semi anechoic rooms ISO3744 and ISO3746 for semi anechoic non prepared rooms and free field conditions. Printed results and export of diagrams and numerical values in most common Windows forms. Spectral analysis with consistent filters. Personnalisable Report.

Operational capabilities: Follow Wizard for a fast definition of the tests configuration, Define automatic and specific meshing, Use of customized reverberation laws, Create sequence of measurement, Apply weighting coefficients on each sequence, Switch between the tests results for easy comparisons, Calibration (manual and automatic modes), Dynamic range control.

Database & Export capabilities: Creation of a tests database, Background level, SPL Power level, Any results exportable in HTML format, Curves copy/paste, Word Label for certification, Word report: information on test conditions, measured values of pressure (SPL, background noise) and the power level.

Data edition: SPL on each microphone (global LIN & A, versus frequency); Average SPL (global LIN & A, versus frequency); D Level between the SPL and the background noise (global LIN & A, versus frequency); Sound power (global LIN & A, versus frequency) 1/3 octave and narrow band spectra.

Graph display: Curves versus frequency; Global values (LIN, A); Cursors; Curves superimpositions

Software options: ISO3741 for reverberant rooms; CE2000/14 for pass-by power in outdoor conditions; ECMA074 and ISO7779 for tone and impulse detection.

Ordering Information:

NDB1002000: NetdB12 unit composed of 12 channels acquisition front-end, AC/DC/IEPE inputs, 2 generators, headphones and SPDIF outputs, Patented Ethernet protocol, 60GB hard disk.
SFA4067000 / SFA4073000: dBFA-POWER: Sound Power Software Multiple Channel Support - with one license up to 12 channels - 1/3 octave and parallel signal recording - Manual Reverberation Time data input - Automatic calibration sequence - includes ISO3744, ISO 3745 and ISO 3746 SP Measurements.
CMI1004000 x 12: Preamplifier 1/2" low level PRE21A 7 pin for Analyzer
CPR1011000 x 12: RAL197-10M - 10 m extension cable LEMO 7 pin (all devices except SOLO)
CSO1043000 x 12: MCE212: Electret microphone 1/2", type 1, 50 mV/Pa CAL3009000: Calibrator CAL21, type 1, 94dB, 1000 Hz, PTB approved

Sound Power Application Note

Para mais informações, entrar em contato : comercial@01db.com.br