Specifications

Assembly Numbers

29/BBA1660VB Loadcell Only

29/BBA1660VU Loadcell, unitised with bearing plate (shown)

Structural Configuration

Double ended, rigid-mount bending beam Compression loading

Bare Weight

19 kg

Unitised Weight

33.5 kg

Static Capacity

24,000 kg

Dynamic Capacity

16,000 kg

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

21/63-00306-01, single piece weld-down ASTM-A514 Steel

Top Mounting Bolts (4)

1"-14TPI x (Length dependent on mountings) Grade 8

Recommended Torque: 945Nm(700ft/lb)

Tie Down Bolts (4)

90/982516 1"-14TPI x2½" Grade 8

Recommended Torque: 945Nm(700ft/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

0.5.mv/v @ 12,700kg

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.

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

16,000 kg (34,200 lb)

Maximum Static Load

24,000 kg (52,800 lb)

Top Bolt Thread Engagement into Loadcell

Minimum = 25mm

Maximum = 32mm

Bolt Tensions

1" Top mounting bolts

945Nm(700ft/lb)

1" End mounting bolts

945Nm(700ft/lb)

Coat all bolt threads with anti-seize
 

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