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Thee Component External Balance
 

1. XB3C-250-UP

Above Test Section
for 2D and/or half model testing purposes.
It can measure the axial force, normal force and pitching moment

Main dimension :

Casing : 350 x 350 x 150 mm3(WxLxH)
Turn table : 250 mm
   
Target load Range and accuracy
Normal force : 200 N ± 0.2% full scale
Axial force : 50 N ± 0.2% full scale
Pitch moment : 10 Nm ± 0.2% full scale
Model angle rotation
Yaw rotation : +45° to -45°
   

 

Load Cell  
Excitation voltage : Nominal 10V-max 15V
Input impedance
: 415 ± 15 Ohm
Output impedance : 350 ± 5 Ohm
Output signal at rated capacity : 2 ± 10% mV/V
Operating temperature : -200 C, 600 C
Power supply : 240 V, 50 Hz or
  110 V 60 Hz AC

 

"This balance is equipped with a Data Acquisition System, completed with Calibration Software (the calibration data are inputted via Keypad) "

 


2. XB3C-350-UN

Under Test Section Measuring forces and moment of tested model in wind tunnel. Can be used for 2D or 3D or Half model .

Main dimension :

Balance casing : 30 x 210 mm
Balance support : 400 x 400 s 600 mm
Turn table : 350 mm
Total height : 975 mm
   
Target load range and accuracy
Normal force : 300 N ± 0.2%
Axial force : 50 N ±0.2%
Pitch moment : 15 Nm ± 0.2%
Total Rotation : -300 to + 300
  : 600 to 1200
   

"This balance is equipped with a Data Acquisition System, completed with Calibration Software and calibration Rig. "

3. XB3C-UP

Balance specification :

Axial force : 20 N ± 5N
Normal force : 20 N ± 5N
Pitching moment : 2 Nm
Accuracy : 0.5% full scale of less
  Overload safe to at least 50%
Angle setting
Manual : -90 to +90 deg step 0.1 deg




This balance is equipped with a user friendly Data Acquisition and Reduction System (DARS), developed based on NI LabView™ program as required by NTU. Furthermore, a simple check load/ in site calibration system is also provided. This system allows user to check the balance accuracy and to perform calibration if required.

 

 
 
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