2300 Specification Loadcell Model: 29/BBB2300VB

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Specifications

Assembly Numbers
29/BBB2300VB Loadcell only (shown)
29/BBB2300VU Loadcell, unitised with bearing plates
Structural Configuration
Double ended, rigid-mount bending beam Compression loading
Bare Weight
7.3kg
Unitised Weight
13.6kg
Static Capacity
12,600kg
Dynamic Capacity
6,300kg
Safe Overload
150% of Static Capacity
Ultimate Overload
Minimum of 300% of Static Capacity
Loadcell Body Material
4340 alloy steel, heat treated to 180,000psi yield strength
Bearing Plate
21/63-02300, single piece weld-down, ATSM A514 Steel
Top Mounting Bolts (4)
¾"-16TPI x (Length dependent on mountings) Grade 8
Recommended Torque: 470Nm(350ft/lb)
End Mounting Bolts (4)
90/882212Z 2¼"-16TPI x ¾" Grade 8
Recommended Torque: 470Nm(350ft/lb)
Connector
4 pin Military style, injection moulded
Cable
Custom 4 core with polyurethane jacket

Electrical

Excitation
15 volts (AC or DC)
5-10 volts recommended
Output
0.25.mv/v @ 6,300kg
Impedance
350Ω +/- 1.0Ω
Isolation
500MΩ at 50 volts

Dimensions and Mounting Instructions

IMPORTANT This Loadcell must be mounted in accordance with Elphinstone Instructions. Failure to do so may void warranty. Specifications to change without notice. These specifications supercede all previous specifications as of October 2006.

Key

  1. 330 mm
  2. 102 mm
  3. 76 mm
  4. 117 mm
  5. 292 mm
  6. 63
  7. ¾"-16TPI x 20mm Deep
  8. 53 mm
  9. 68 mm
  10. 28 mm
  11. 25 mm
  12. ¾"-TPI x 2" Grade 8

Connections

  1. Excitation +
  2. Signal +
  3. Signal -
  4. Excitation -

Mounting Requirements

  • Top Plate must be dead stiff and machined flat after welding
  • Bottom Mounting must be dead stiff
  • Bearing plate must be welded using 10mm fillet
  • Across end and fully down each side

Precautions

  • Do not strike an Arc on the loadcell body with a welder
  • It is Ok to use the loadcell to position the Bearing plate for tack welding only
  • Remove the loadcell to complete welding procedure
  • Do not damage the bottom cover plate as this protects delicate strain gauges
  • Take care to protect the loadcell connector/cable as this can not be replaced in the field
  • Fit protection for the loadcell connector from stones and foreign objects which may damage it
  • Do not damage or paint over the Part/Serial Number identification tag

Capacity

Maximum Dynamic Load
6,300kg (13,800 lb)
Maximum Static Load
12,600kg (27,800 lb)
Top Bolt Thread Engagement into Loadcell
Minimum = 16 mm
Maximum = 22 mm

Bolt Tensions

¾" Top mounting bolts
470Nm(350ft/lb)
1-¼" End mounting bolts
470Nm(350ft/lb)
Coat all bolt threads with anti-seize
 

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