Facilities

  • Data Acquisition System (DAQ)
  • Advanced Sound Level Meter
  • HMS IV (Digital Artificial Head Measurement System)
  • Impedance tube
  • Scan and paint System (Acoustic Camera)
  • Modal Exciter
  • Portable Shaker with Amplifier (Mini Shaker)
  • Sound Source
  • Damping Measurement System (Oberst Set Apparatus)
  • Sound Quality Measurement system ( Squadrika II)
  • Impact Impulse Hammer
  • 24 bit 96 kHz Mp3/Wave Recorder
  • Laser Shaft Alignment System
  • Tunning Fork Set
  • Softwares
  • National Instruments (NI) PXIe DAQ System
  • National Instruments (NI) Portable DAQ System
  • Basic Sound Level meter
  • Handheld Vibration Meter
  • Array Microphones
  • Vibration and Acoustic Transducers
  • Impedance Head
  • Quieter Room
  • Laser Vibrometer
  • Microphone Calibrator
  • Sound Intensity Calibrator
  • Portable Vibration Calibrator
  • Digital Anemometer
  • DC Source

  • Data Acquisition System


  • To study dynamic behavior of cam mechanism
  • Manufacturer: TecQuipment
  • Manufacturer:  m+p international
  • Model Number:  Vibplot
  • Portable  8 analog input channels DAQ system
  • 102.4 kHz simultaneous sampling
  • ICP® sensor conditioning, TEDS support
  • 2 source output channels, 2 tacho inputs
  • DSP powered real-time processing
  • Multiple VibPilot  synchronization
  • USB 2.0 host interface

  • Advanced Sound Level Meter


  • Manufacturer:  Bruel & Kjaer
  • Model Number:  B&K 2270
  • The purpose of advanced sound level meter is to do class I measurements of sound pressure and sound intensity.
  • Class 1 sound measurement to the latest international standards (IEC 61672-1).
  • Sound power measurement in accordance with ISO 9614-1 and ISO 9614-2 standards.
  • Measures sound intensity and sound power in the frequency range of 50 Hz-10 kHz.

  • HMS IV (Digital Artificial Head Measurement System)

  • Make: Head Acoustic
  • Model Code:1500
  • Artificial head with ½” capacitor microphone, 200 V polarisation voltage.
  • Artificial head corresponds to directional response of the human outer ear of IEC 959.
  • Artificial head with tri-axial laser pointer (class 2 laser according to EN 60825-1).
  • Equalisation modes: LIN, FF, ID, DF, USER (Recording/Playback via Headphone).
  • Frequency range: 20 Hz- 20 kHz ± 0.15 dB and 3 Hz – 20 kHz, -3 dB/+0.1 dB electrical, without equalization.
  • Four channel recording (with additional device or head) with 24 bits up to 88.2 kHz sampling rate and with 16 bit up to 96 kHz sampling rate is possible.
  • Artificial head can be controlled via Bluetooth using RC VI remote control unit.
  • Calibration of microphone: beside automatic calibration, a piston phone calibration is possible.
  • Maximum sound pressure level 145 dB SPL (distortion < 3 %).
  • Range of highest sensitivity, so acoustic inherent noise of measurement microphone is negligible.

  • Impedance tube

  • Manufacturer:  BSWA
  • To measure the acoustics absorption coefficient and Transmission loss of a sample.
  • Measures the plane wave absorption coefficient of a sample in the range of 100-6300 Hz according to the standard (ISO 10532, ASTM E-1050).
  • Measures Acoustic Absorption and Impedance using classical Transfer Function (TF) method.
  • Transmission Loss and Propagation constant measurement using additional tube extension and a four channels configuration for measurement.

  • Scan and paint System (Acoustic Camera)

  • Make:Microflown Technologies
  • Model No: Scan and paint 2.0
  • It is used to measure particle velocity of air.Probe Serial no: PR-900647
  • Low susceptibility to background noise and reflections.
  • Suitable for reverberant environment, not required anechoic condition for measurement.
  • PU probe measure particle velocity and pressure at same place accurately.
  • Useful in near field measurements.
  • It sensitive for particle velocity values between 10 nm/s to 1 m/s.
  • High resolution mapping of-
    -Sound pressure
    -Sound intensity
    -Particle velocity
    -Impedance
    -Sound power
  • Automatic synchronization of the measurements with the captured video data.

  • Modal Excitor

  • The objective of this equipment is to provide vibration excitation force to the structure for dynamic testing.
  • Force: 111 N with Convection Cooling and 222N with Forced air cooling.
  • Frequency: up to 4,000Hz
  • Displacement:  approximately 25 mm pk-pk (continuous duty) and 28mm between stops.
  • Yamaha power amplifier, Stringer kit & amp; set of interconnecting cable
  • Drive Cable length 30’


  • Portable Shaker with amplifier (Mini Shaker)

  • Make: Modal Shop Inc.
  • Model Number: 2007E1
  • Sine force up to 7 pounds (31 N) pk.
  • Random force up to 5 pounds (22 N) rms.
  • Stroke up to 0.5 inch (1.25 cm).
  • Wide frequency band operation up to 11 kHz.
  • Trunnion mounting base and easy turn handle.

  • Sound Source

  • Manufacturer:  BSWA
  • Model Number:  OS002
  • Omni Sound source according to ISO standards (ISO 140 and ISO 3382).
  • Sound Source directivity according to ISO 140 standard of maximum deviation from mean tolerances.
  • Single Speaker with proper power amplifier
  • It has a capability of emitting sound power of 105 dB re 1 pW and Minimum 85 dB in each one-third octave-band.
  • Operating frequency range: 80 – 6300Hz (1/3-octave band centre frequencies)

  • Damping Measurement System (Oberst Set Apparatus)

  • Manufacturer:  Bruel & Kjaer
  • Model Number:  3930-K-350
  • To find out Damping loss factor of material samples according to ASTM Standard.
  • Vibration Excitor with different types of input signals like impulse, random, sinusoid sweep etc.
  • Non Contact Transducer to pick up test sample vibration.
  • Provision to adjust the position of test sample.
  • Interface with PC and can be connected to acquisition and analysis systems.

  • Sound Quality Measurement System (SQuadriga II)

  • Manufacturer:  Head Acoustic
  • Model Number:  SQuadriga II
  • To do the sound recording and playback to relate subjectivity of sound with physical parameters of sound signal.
  • 6 analog input channels ( BNC connectors, ICP and TEDS input) Recording and playback unit.
  • Feature to export recorded data to other formats like wave,MP3 etc., and separate pulse input/ outputs.
  • 8 Digital I/O channels, 24 bit A/D, 96 kHZ sample rate per channel and USB 2.0 interface.
  • Interface with PC and can be connected to acquisition and analysis systems.
  • Aurally-accurate recording and playback with Binaural Head and feature to connect with Head and torso Unit.
  • Binaural Headset record 130 dB Sound pressure level with less than 1 % distortion.
  • Binaural Headset Playback more than 100dB sound pressure level with less than 0.003% distortion.
  • Have data Acquisition module and feature of editing recorded signals.
  • Basic Analysis Features like signal analysis, octave analysis, order analysis, time-domain data analysis, statistical calculations etc.,
  • Features to calculate sound quality parameters like total loudness, specific loudness, sharpness, roughness, fluctuation of strength, tonality etc.,
  • Impact Impulse Hammer

  • Manufacturer: Dytran Instruments Inc.
  • Model Number: 5800B3
  • Sensitivity : 50 mV/LbF.
  • Max. Force : 1000Lbs Force.
  • Frequency Range : Up to 10 kHz.
  • Hammer Tips : Metal, Plastic and Soft Plastic.
  • 24 bit 96 kHz MP3/Wave Recorder

  • Manufacturer: Edirol ltd.
  • Model Number: R-09HR
  • Laser Shaft Alignment

  • Make: Damalini AB
  • Model : Easy Laser D450
  • Programs: Horizontal, Soft foot, Thermal Growth Compensation, Tolerance Check and
    Measurement Value Filter.
  • Measurement Distance up to 10 m (33 feet).
  • Possible to do alignment of shaft diameter 20 mm to 450 mm
  • Maximum displayed error: ± 1% + 1 digit.
  • Type of laser: Diode laser, class II.
  • Unit calibration not required, unit self-calibrate.
  • Memory capacity up to 1,000 alignment measurement and battery operated.
  • Tunning Fork Set

  • Make: Texla Scientific Instruments
  • Model: 1270
  • Numbers : 8 numbers
  • Type: Wetch Type
  • Frequency covered: 84 Hz to 512 Hz
  • National Instruments (NI) PXIe DAQ System

  • Manufacturer: National Instruments Inc.
  • Model Number:NI PXIe-1082.
  • PXI platform, PXI Express and PXI Hybrid compatible bus Type.
  • Operating system: Real time, Linux, Mac OS, Windows.
  • Lab VIEW RT support
  • Number of slot: 8
  • Number of PXI Express Peripheral Slot: 3
  • Number of PXI Hybrid Peripheral slot: 4
  • Maximum system Bandwidth: 7 GB/s.
  • National Instruments (NI) Portable DAQ System

  • Manufacturer: National Instruments Inc.
  • Model Number: 
  • Basic Sound Level Meter

  • Manufacturer:  RION
  • Model Number:  NL27
  • Measures sound pressure and compile with standards IEC 651 type II, EN60651
  • Measurement Range 30 to 130 dB and Frequency Range 31.5 Hz to 8 kHz
  • Frequency and Time Weighting:  A & C, Slow & Fast
  • Accuracy : ±1.5 dB
  • ½’’ Condenser Microphone

  • Handheld Vibration Meter

  • Manufacturer:  PCB
  • Model Number:  VM15    
  • Measures Vibration and Acceleration of Industrial Machinery according to ISO 2954 and ISO 10816 Standards
  • Vibration meter with Sensor, cable and Magnet.

  • Array Microphones

  • Make: G.R.A.S. sound and vibration A/S
  • Model: 40 PL Array Microphone.     
  • Number of microphones: 30 Number.
  • Sensitivity @ 250 Hz : 10 mV/Pa ±3 dB
  • Frequency Response:
    ±1 dB between 100 Hz to 5 kHz.
    ± 2 dB between 10 Hz to 20 kHz.
  • Upper limit of dynamic range: 150 dB ref. 20 µPa
  • Lower limit of dynamic range (Thermal Noise): < 32dBA ref. 20 µPa.
  • Output Impedance: < 50 .

  • Vibration  and Acoustic Transducers

  • ICP type uni-axial Accelerometer (10 mV/g, 500g range) - 4 numbers.
  • ICP type uni-axial Accelerometer (100 mV/g, 50g range) - 2 numbers.
  • ICP type uni-axial Accelerometer (500 mV/g, 10g range) - 2 numbers.
  • ICP type Tri-axial Accelerometer (10 mV/g, 500g range) - 1 number.
  • ICP type uni-axial dynamic Force sensor (50 mV/Lb, 100Lbs range) - 1 number.
  • 1/2’’ Free-field Microphone - 2 numbers.
  • 1/4’’ Free-field Microphone - 2 numbers.
  • 1/4’’ Multi-field Microphone - 1 number.

  • Impedance Head

  • Make: Dytran Instruments Inc.
  • Model: 5860B.
  • Type: ICP
  • Simultaneously measures acceleration and force.
  • Accelerometer sensitivity: 100 mV/g.
  • Force Transducer sensitivity: 100 mV/lbf.
  • Frequency Range: 1 Hz to 8 kHz (± 10 %).
  • Maximum force: ± 100 lbf.
  • Maximum acceleration: ± 100 g.
  • Use for modal and structural analysis.

  • Quieter Room

  • Quieter room with background noise of 30 dBA of volume 130m3

  • Laser Vibrometer

  • Manufacturer: Polytec
  • Model Number: NLV-2500-5 
  • To measure the surface vibration velocity in non-contact mode using Laser Doppler Vibrometry.
  • Non-contact, ICP type Vibrometer and flexible features for different vibration measurement applications.
  • Frequency range upto 20 kHz.
  • Maximum standoff distance is around 30 meters.
  • Maximum velocity range is above 0.5 m/s.
  • Minimum resolution is less than 0.05 microns/sec rms
  • Data Acquisition software with basic signal analysis features
  • Features to export recorded data to other formats like UFF, Excel etc.,
  • Microphone Calibrator

  • Manufacturer: Bruel & Kjaer
  • Model Number: 4231
  • Battery Operated and Compatible with Advanced sound Level meter.
  • Calibration comply with EN/IEC 60942 (2003) Class LS and Class 1, and ANSI S1.40-1984.
  • Calibration accuracy ±0.2 dB at 1 kHz calibration Frequency.
  • Distortion is less than 1 %.
  • Facility for calibrating 1/2" and 1" Microphones by using respective adaptors.
  • Sound Intensity Calibrator

  • Manufacturer: Bruel & Kjaer
  • Model Number:4297
  • Battery Operated and Compatible with sound intensity probe kit.
  • Calibrate the Microphones for known sound pressure level(94 dB and 114 dB at 1 kHz).
  • Measurement and Verification of pressure residual intensity index.
  • sound intensity calibrator comply with IEC 61043 standard.
  • Portable Vibration Calibrator

  • Make: PCB Piezotronics Inc.
  • Model no:394C06
  • Used to calibrate accelerometer.
  • Acceleration output: (± 3 %) 9.81
  • Velocity output: 9.81 mm/s rms.
  • Displacement output: 9.81 µm rms.
  • Operating frequency: (± 1%) 159.2 Hz.
  • Maximum Load: 210 gm.
  • Digital Anemometer

  • Make: HTC Instruments.
  • Model: HVM – 07.
  • Data memory: 24 groups.
  • Air velocity/ flow sensor: conventional angled vane arms with low friction ball bearing.
  • Temperature sensor: precision thermistor.
  • Operating Temperature: 0 to 50 deg. Centigrade.
  • Auto power off: 0 to 9 minutes set by user.

  • DC Source

  • Make: Aplab.
  • Model:L3202 .
  • Voltage: 0 to 32 Volt
  • Current: 0 to 2 Amp.

  • Softwares

  • LMS Virtual Lab
  • VA One (SEA Module)
  • Sound Plan
  • Ansys
  • FlexPro-9