CA Stainless Steel Anchor Load Cell
The Laumas CA is a 17-4PH stainless steel anchor load cell available in capacities from 30,000 kg to 250,000 kg (66,139 lb to 551,156 lb), with IP68 protection and combined error ≤ ±0.1%. Its annular through-hole design — with internal bore diameters from 50 mm (2.0 in) to 225 mm (8.9 in) — installs directly over anchor rods, mooring cables, and structural fasteners for long-term force monitoring in heavy civil, offshore, and dam infrastructure applications.
PRODUCT DETAILS
The CA is a heavy-capacity 17-4PH stainless steel anchor load cell engineered for direct force measurement around structural anchor rods, mooring cables, and large-diameter fasteners in the most demanding civil, offshore, and geotechnical infrastructure applications. Its annular through-hole design accommodates internal bore diameters from 50 mm to 225 mm (2.0 in to 8.9 in), making it adaptable to a wide range of anchor rod sizes encountered in dam gates, offshore platform anchoring, bridge cable monitoring, and large-scale retaining structure instrumentation. Available in capacities from 30,000 kg (66,139 lb) up to 250,000 kg (551,156 lb), the CA operates at force levels far beyond the range of conventional through-hole load cells, covering the most extreme anchor loads in civil and marine infrastructure.
The CA’s millivolt/volt output connects directly to load cell indicators, structural monitoring data loggers, and amplifiers, and is compatible with 4-20 mA signal conditioners for integration into automated monitoring and alarm systems. Its compensated temperature range of −20°C to +70°C (−4°F to +158°F) and IP68 full-immersion stainless steel construction ensure reliable long-term measurement in submerged, marine, and outdoor environments over multi-decade infrastructure monitoring programs. Optional galvanized steel load distribution plates (PIAS accessory) are available for optimized load transfer at the bearing surface. An optional dual 350 Ω Wheatstone bridge configuration provides dual-channel redundant output for safety-critical monitoring systems. ATEX and IECEx hazardous-area certifications are available on request.
Most Common Applications: Dam gate anchor force monitoring, offshore platform mooring load monitoring, bridge cable anchor force measurement, large retaining structure anchor load monitoring, heavy foundation tieback force measurement, post-tensioned structural anchor monitoring in civil infrastructure.
| Capacities | 30,000 kg (66,139 lb), 50,000 kg (110,231 lb), 75,000 kg (165,347 lb), 100,000 kg (220,462 lb), 125,000 kg (275,578 lb), 150,000 kg (330,6206 lb), 180,000 kg (396,832 lb), 250,000 kg (551,156 lb) |
|---|---|
| Combined Error | ≤ ±0.1% |
| Non-Linearity | – |
| Safe Overload | 150% of full scale |
| Ultimate Overload | 300% of full scale |
| Full Scale Output | 2 mV/V ± 0.1% |
| Maximum Excitation | 15 V DC |
| Bridge Resistance | 700 Ω ± 20 (Input); 700 Ω ± 5 (Output) |
| Operating Temperature | −30°C to +90°C (−22°F to +194°F) |
| Compensated Temperature | −20°C to +70°C (−4°F to +158°F) |
| Sealing Standard | IP68 Environmentally Sealed |
| Material | 17-4PH Stainless Steel |
| Protective Coating | None (bare stainless steel) |
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