Force Sensing Shackle Load Pins, RCP/SCP Series
Force Sensing Shackle Load Pins, RCP/SCP Series
SKU:LOA-bd5da9
Upgrade to precision with RCP/SCP Series Force Sensing Load Pins for accurate and rugged force detection.
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$249.99
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$249.99
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Force Sensing Shackle Load Pins, RCP/SCP Series
$249.99
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Force Sensing Shackle Load Pins, RCP/SCP Series
$249.99
Quantity: 1
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Upgrade your shackle pins to the precision of RCP/SCP Series Force Sensing Load Pins. Replace standard Crosby and Skookum pins with rugged stainless steel pins featuring high-strength strain gages for accurate force measurement. These pins offer easy installation, direct force detection, and a wide load capacity range from 2,000 to 220,000 lbs. Benefit from full bridge technology, overload resilience up to 300%, and temperature compensation for reliable performance. Ideal for demanding applications where precise load sensing is crucial.
Product Specifications
Dimensional Drawing Dimensional Drawing
RCP-SCP Force Sensing Shackle Bolt
Electrical Specifications Cable
#20(26x34) AWG., rubber insulation, shielded, rubber jacket, 4-Conductor (Standard Cable)
Electrical Specifications Excitation
Red
Electrical Specifications Function
Wire Code
Electrical Specifications Signal
Green
Features 0
Precison Load Sensing Rugged Internally Sealed Strain Gages Easy Installation Direct Force Measurement High Strength Stainless Steel
General Information 0
Shackle Load Pins are strain gage transducers developed by Strainsert (U.S. Patent No. 3,695,096). They are manufacured utilizing the internal strain gage process perfected by Strainsert since 1960. They offer precision force measurement by simply replacing existing shackle pins.The pin design is a double-shear arrangement. Typically, force P is applied at the center of the pin while 2 equal opposing forces of P/2 are applied at each end at the shackle ears. Strain gages are sealed inside a small axial hole and are positioned at the 2 shear locations at the interface between the shackle ears and the shackle eye. The strain gages are positioned and oriented with great precision along the neutral plane relative to the specific direction of force.An anti-rotation device is necessary for proper reading and alignment. If a force P is applied to the pin at an angle other than the specified direction, the theoretical bridge output will be offset by a component of the force along the sensitive direction, i.e. P cos X.The four strain gages (two at each shear location) are electrically connected to form a full bridge, the signal from each gage being additive so that the bridge output is proportional to the sum of the forces transmitted by the shear planes of the pin. The circuit typically includes temperature compensation, signal trim (optional), and zero balance resistors terminating in a suitable connector socket or integral cable, and potted with a sealing compound inside the gage hole for enhanced environmental protection.Standard models include detailed calibration data up to 500,000 lbs. Higher capacity calibration data is available at an additional charge. Strainsert factory calibrations are intended to simulate installed conditions, however, it is recommended that an in-place calibration be performed to account for any installation, tolerance, and/or alignment influences affecting sensor measurement.Standard models are typically used in new applications where the designer can develop the specific load pin joint around the standard load pin dimensions, to optimize force measurement performance. In addition, the standard load pin may fit or can be incorporated through the use of bushings or modification of the assembly.
Performance Specs Bridge
Full bridge 350 Ohm (Nominal)
Performance Specs Excitation
12 V AC (Maximum) | 12 V DC (Maximum)
Performance Specs Hysteresis
±0.50% FS (Nominal)
Performance Specs Non Linearity
±0.50% FS (Nominal)
Performance Specs Non Repeatability
±0.15% FS (Nominal)
Performance Specs Output Signal
2-mV/V (Nominal) | 2-mV/V (Standardized Output)
Performance Specs Overload Without Failure
300% (Minimum)
Performance Specs Overload Without Zero Shift
150%
Performance Specs Service Temp Range
to 150 °F
Performance Specs Temp Effects On Output
0.008% load / °F (Nominal)
Performance Specs Temp Effects On Zero
0.005% FS / °F (Nominal)
Performance Specs Zero Balance
±2% FS (Nominal)
Specifications Ae Shackle Opening
6.50 in
Specifications Ae Tolerance
0.25 in
Specifications Bc Width Of Shackle Eard Nominal
4.25 in
Specifications Connector Type
Permanently Attached Cable
Specifications C Clevis Bolt Head Diameter
4.875 in
Specifications Dp Nominal Shackle Bolt Diameter
4.250 in
Specifications H Inside Length Of Anchor Shackle
17.00 in
Specifications Load Capacity
220000 lb
Specifications Material
Stainless Steel 17-4, H-1025 (Standard)
Specifications R Outside Diameter Of Shackle Ear Nominal
9.00 in
Specifications Shackle Size
4 Inch
Specifications Shackle Type
Anchor Shackle
Specifications T Thread Size
3-1/2-12 UN