Accurately replicate a broad spectrum of damper and shock absorber noise and vibration phenomena, including elusive, structure-borne “chuckle” noises that can prove especially degrading to the ride comfort and quality of electric and autonomous vehicles. The innovative Model 853 Damper NVH System is purpose-engineered for conducting high-fidelity damper NVH measurements at up to 800 Hz - essential for meaningful chuckle analysis. The versatile Model 853 is also well-suited for elastomer testing applications.
Applications
NVH
Caracterización
Caracterización dinámica
Test Specimens
Amortiguadores
Puntales
Componentes elastoméricos
Key Product Features
First-of-its-Kind
Purpose-engineered to support meaningful investigation into high-frequency, structure-borne chuckle noise phenomena.
Precise
Delivers the ultra-pure, low-THD sinusoidal excitation needed for gaining high-fidelity NVH measurements at up to 800 Hz.
Innovative
Blends high-bandwidth transducers, high-frequency elastomer test rig, and electrically actuated EMA
damper test technology.
Versatile
Well-suited for a broad spectrum of testing, ranging from damper and shock absorbers to elastomeric materials and components.
Model Comparison
Model 853 Damper NVH
NVH (Air-borne and structure-borne up to 800 Hz)
Performance Characterization (Programmable)
Elastomer Testing (up to 400 Hz)
17.8 - 26.7 kN
Linear Electro-Magnetic Actuation (Aircore)
Single specimen
MTS Damper Testing Software, RPC Connect Software, MTS Elastomer Testing Software
Low-Noise EMA
NVH (Air-borne) Performance Characterization (Programmable) 8.9 – 26.7 kN Linear Electro-Magnetic Actuation Single specimen Shock 6 (Standard) or MTS Damper Software
Technical Overview
Model 853 System
Units
Model 853.018
Model 853.027
Dynamic Force
kN
17.8
26.7
lbf
4000
6000
Peak Velocity
m/sec
4
in/sec
157
Velocity at Peak Force
m/sec
2.5
in/sec
98
Stroke
mm
200
in
8.7
Frequency Response (real-time closed loop control)
Hz
100
Measurement bandwidth for vibration testing1 (chuckle, clatter, rumble) Hz
< 800
Total Harmonic Distortion (THD) -
< 1% up to 200 Hz command /response frequency
Temperature Monitoring
Specimen
Non-contacting IR
Motor
Non-contacting IR
Digital Encoder Resolution
μ
10
Noise Level – Typical
dbA
<60
Noise Level w/Acoustic Chamber - Typical dbA
<42
Load Cell
kN
25
lbf
5600
Waveforms Supported
Type
Sine, Triangle, Square, Frequency Sweep, Arbitrary Profiles
Software
793 MPT, MTS Damper, RPC Connect
Facility Requirements2
V
240 (3-phase)
A
90
125
Air Supply
PSI
100
BAR
7
CFM
35
Testing with optional Elastomer package
Hz
400
K*
5%
º (Phase Accuracy)
0.5
Testing with optional sideload actuator N
1000
lbf
225
Specifications subject to change
1. Measurement Bandwidth is typical for a passenger car sized damper or strut.
2. MTS can supply transformers for voltages other than 240V 3-Phase.
Low-Noise EMA System
Units
EMA-2K
EMA-4K
EMA-6K
Dynamic Force
kN
8.9
17.8
26.7
lbf
2000
4000
6000
Static Force
kN
2.1
4.2
6.2
lbf
475
950
1400
Static Force with Static Load Compensation
>kN
7
13
20
lbf
1475
2950
4400
Peak Velocity
m/sec
4
4
4
in/sec
157
157
157
Velocity at Peak Force
m/sec
2.5
2.5
2.5
in/sec
98
98
98
Stroke
mm
203
203
203
in
8
8
8
Frequency Response
Hz
100
100
100
Temperature Monitoring
Specimen
Non-contacting IR with software monitoring
Motor
Non-contacting IR with process meter monitoring
Digital Encoder Accuracy
μ
1
1
1
Noise Level – Typical
dbA
<60
<60
<60
Load Cell
lbf
2000
5000
10000
Type
Interface
Waveforms Supported
Type
Sine, Triangle, Square, Frequency Sweep, Custom Profile
Software
SHOCK™ Test Control and Damper Analysis Software
Bearing Material
Type
Dry Linear Bearing – Maintenance Free Replacement Interval: 2-5 yrs
Facility Requirements1
V
220
220
220
A
30
60
100
Air Supply
PSI
100
100
100
BAR
7
7
7
CFM
35
35
35
Specifications subject to change
1. MTS can supply transformers for voltages other than 220V III-Phase
Downloads
Service and Support
Our experts are here to help keep you up and running.
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