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
- 330 mm
- 102 mm
- 76 mm
- 117 mm
- 292 mm
- 63
- ¾"-16TPI x 20mm Deep
- 53 mm
- 68 mm
- 28 mm
- 25 mm
- ¾"-TPI x 2" Grade 8
Connections
- Excitation +
- Signal +
- Signal -
- 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
