PRO-250: Sound Power with ISO 3741/4/5/6

Get the sound power of your products!

NetdB-PRO-250: Sound Power measurements on a 12 channel basis
Equivalent to NetdB PRO-265  an optimized price for interfacing with your own set of microphones.

To make an easy job of sound power measurement according to
ISO3741 in reverberant room, ISO3744 in normal rooms, ISO3745 in semi anechoic and anechoic environment, ISO3746 in external open space, our PRO-250 12ch system offers the ideal turn-key solution:

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 measurement 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 consulting offices, Certification authority, Construction Machines, Household appliances

PRO-250 Technical Specifications

NetdB-DAQ12 Hardware

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
Signl 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, 100mV rms
Maximum allowable voltage: -20/+30V peak
Sensor power supply: IEPE & 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 continuous operation 12 channels
Main adaptor: External Main Adaptor 100/240VAC - 50-60 Hz
Power consumption: 20W
Car adaptor 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

Computer (min. configuration)

OS: MS Windows XP PRO
PC Processor: Pentium II+, 600+ MHz
RAM: 512+ Mb
Ports: Ethernet

Physical

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

Standards supported: ISO3741 for reverberant rooms, ISO3745 for semianechoic 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. Customizable 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.
Transducers and accessories: Up to 10 microphone sets assumed as part of your own test equipment.
This hardware is delivered within a dedicated package of the NetdB Pro-Series:

Sound Power Application Note (copie 1)

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