NSV

Equipment Holdings

Equipment Holdings

Signal Analyzer (FFT)

Measurement Equipment

Product Test Equipment

Analysis Program

Laboratory Holdings

Signal Analyzer (FFT)

4-Channel FFT Analyzer

Dynamic Signal Analyzer and Handheld Data Recorder

Manufacturer

- Crystalinstruments

Model Name

- CoCo-80X

Use

- 4-ch FFT, precision vibration measurement

4-Channel FFT Analyzer

4 Channel Dynamic Signal Analyzer

Manufacturer

- Benston

Model Name

- Impaq Elite

Use

- 4-ch FFT, precision sound & vibration measurement

4-channel FFT analyzerr

4-channel FFT analyzer

Manufacturer

- OROS

Model Name

- OR34

Use

- 4-ch FFT, precision sound & vibration measurement

16-channel FFT analyzer

Manufacturer

- LMS

Model Name

- LMS SCADAS Mobile

Use

- 16-ch FFT, precision sound & vibration measurement

Measurement Equipment

Sound Level Meter

Manufacturer

- RION

Model Name

- NA-28

Use

- 1/1 or 1/3 octave band real time frequency analysis, sound measurement

Sound Level Meter

Manufacturer

- RION

Model Name

- NA-27

Use

- 1/1 or 1/3 octave band real time frequency analysis, sound measurement

Sound Level Meter

Manufacturer

- RION

Model Name

- NA-52

Use

- 1/1 or 1/3 octave band real time frequency analysis, sound measurement

Sound Level Meter

Manufacturer

- B&K

Model Name

- Type 2250

Use

- 1/1 or 1/3 octave band real time frequency analysis, sound measurement 1-ch FFT, precision sound measurement

Microphone Calibrator

Manufacturer

- RION

Model Name

- NC-73

Use

- Microphone calibration(1,000Hz)

Microphone Calibrator

Manufacturer

- Larson & Davis

Model Name

- CA250

Use

- Microphone calibration(250Hz)

Vibration Level Meter

Impulse Hammer

Manufacturer

- PCB

Model Name

- 086C03

Use

- Measuring vibration response by applying an exciting force to one point of the structure

Impulse Hammer

Manufacturer

- PCB

Model Name

- 086D20

Use

- Measuring vibration response by applying an exciting force to one point of the structure

Impulse Hammer

Manufacturer

- PCB

Model Name

- 086D50

Use

- Measuring vibration response by applying an exciting force to one point of the structure

Accelerometer Calibrator

Manufacturer

- B&K

Model Name

- Type 4294

Use

- Acceleration Sensor Calibration

Environmental Vibration Meter

Vibration Level Meter

Manufacturer

- RION

Model Name

- VM-53A

Use

- Vibration measurement

Other Measurement Equipment

Air velocity meter

Manufacturer

- PROVA

Model Name

- AVM-03

Use

- Wind Velocity Measurement

Air velocity meter

Manufacturer

- Testo

Model Name

- testo425

Use

- Wind Velocity Measurement

Thermo-Hygrometer

Manufacturer

- SmartSensor

Model Name

- AR 837

Use

- Relative Humidity and Temperature Measurement

Manometer

Manufacturer

- Testo

Model Name

- Testo510

Use

- Air pressure measurement

Manometer

Manufacturer

- Testo

Model Name

- Testo445

Use

- Air pressure measurement

Barometer

Manufacturer

- LT LUTRON

Model Name

- MHB-382SD

Use

- Air pressure measurement

Product Test Equipment

Dynamic Testing Machine

Manufacturer

- MTS Systems corporation (USA)

Model Name

- MTS Elastomer 831.50 700Hz

Use

- Dynamic test using metal/nonmetal/fiber/rubber/plastic etc. of dynamic test
- Dynamic measurement on natural frequency, loss factor, dynamic elastic modulus of material
- Environmental test-available by temperature or humidity

Specification

- frequency: 0.01 to 700Hz
- temperature: -93.3~204.4℃

Universal Testing Machine

Manufacturer

- Daekyung Tech

Model Name

- DTU-900MHA

Use

- Multi-use material testing machine for tension, compression, bending, etc., of all materials, including metal, non-metals, textiles, rubber, plastic, and adhesives

Durability Testing Machine

Manufacturer

- NSV

Model Name

- Durability Testing Facility

Use

- Durability test for joint, water hammer cushion, damper, etc.

Universal Testing Machine

Manufacturer

- MTS Systems Corporation

Model Name

- MTS Exceed-E45.105

Use

- Multi-use material testing machine for tension, compression, bending, etc., of all materials, including metal, non-metals, textiles, rubber, plastic, and adhesives

Analysis Program

NX NASTRAN

Manufacturer

- SIEMENS

Version

- 8.5

Use

- Structure vibration & structure noise analysis

Sound Plan

Manufacturer

- SOUND PLAN LLC

Version

- 8.2

Use

- Noise mapping simulation analysis software

Insul

Manufacturer

- Marshall Day Acoustic

Version

- 9.0

Use

- Transmission Loss Estimation Program

RAYNOISE

Manufacturer

- Siemens

Version

- 3.1

Use

- Outdoor & indoor sound analysis

ANSYS

Manufacturer

- FEA-opt Technology

Version

- 11.0

Use

- Ground & structure vibration analysis

FLOWMASTER

Manufacturer

- Mentor Graphics

Version

- 7.0

Use

- Flow analysis program (Surge)

Simcenter 3D Ray Acoustics

Manufacturer

- Siemens

Version

- 2020.2

Use

- Acoustic analysis software for large geometry or environments using Adaptive Beam Tracing

Laboratory Holdings

Anechoic Room

Manufacturer

- NSV

Standards

- Interior area: W4.5m x L4.5m x H1.8m
- cut-off frequency: 100Hz(PU Wedge)
- Background noise level: <16dB(A)

Use

- Noise level of equipment
- Directivity
- Transmission loss

Reverberation Room

Renerberation Room

Manufacturer

- NSV

Standards

- Type: nonorthogonal (octahedron)
- Volume: 300㎥
- Background noise level: <35dB(A)

Use

- Silencer performance test
- Noise absorption factor
- Sound power level
- Transmission loss

Silencer Performance Testing System

Manufacturer

- NSV

Standards

- Maximum test-available silencer length: 6.5m

Use

- insertion loss and static pressure loss of silencer installed to subway, Air Handling Unit, cooling tower and so on

Composition

- Fan Room, Speaker, Signal Generator and Amplifier, Testing Duct, Reverberation Room, Sound Meter

Water Hammer Cushion Test and Testing Facilities

Manufacturer

- NSV

Standards

- PDI WH-201

Use

- Impact Pressure Absorbing Ability TEST