FA409
FIBOS
30,40t
Stainless steel
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Self-resetting column-type load cell Product Description |
Made of high-strength stainless steel and laser-sealed welded, this load cell reaches IP68 high protection class, ensuring long-term stable operation in extreme industrial environments such as humidity and dust. It features a self-resetting function, which effectively compensates for measurement errors caused by off-center loads, supports parallel connection of multiple sensors, and is suitable for various large-scale weighing systems. With rated loads of 30t and 40t, it can withstand an overload impact of up to 2 times the measuring range, boasting excellent structural strength and long service life.
Self-resetting column-type load cell Dimensions(Unit:mm) |

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| Installation variant | Emax FA409... | Thrust pieces top + bottom (1 set =2 pieces) | A | B | C | R ball | amax 2) | Smax 3) | FR 4) (% of applied load) | |
| at Smax | S=1mm | |||||||||
| 30t | FA409/ZOU44A1) | 200 | 150 | 123 | 160 | 5° | 13 | 9.9 | 0.76 | |
| 40t | 200 | 150 | 123 | 180 | 5° | 13 | 12.2 | 0.94 | ||
1) Max.loading:40t 2) Max.allowed misalignment
3) Max. allowed lateral displacement of load application 4) Restoring force
amax Max. allowed misalign-ment | Smax Max, allowed lateral displacement ofload application | FR Restoring force, % of applied load | |
| at Smax | at S=1mm | ||
| 4° | 18 | 8.6 | 0.48 |
Accuracy class (OiML R60) | C3 | |||
| Number of load coll verifica-ton interval | nLC | 3000 | ||
| Maximum capacity | Emax | 30 | 40 | t |
| Minimum load coll verifica-tion interval of the load cell | vmin | 0.0100 | %v.Emax | |
| Ratio of minimum verifica-tion interval | Y | 10000 | ||
General specifications | ||||
| Rated output(nominal) | Cn | 2 | mV/V | |
| Rated output tolerance | ±0.5 | % | ||
| Temperature coefficient of theraled output | TKC | ±0.0080 | %v. Cn /10K | |
| Temperature coefficient of zero signal | TK0 | ±0.0116 | ||
| Relative reversibility error | dhy | ±0.0170 | %v.Cn | |
| Non-linearity | dlin | ±0.0180 | ||
| Creep upon loading over 30 min. | dcr | ±0.0167 | ||
| Minimum dead load output retumn,30 min. | DR | ±0.0167 | ||
| Repeatability error (max. variation in the load celoutput with repeat loading) | ±0.005 | |||
| Input resistance (black-blue) | RLC | 700±20 | Ω | |
| Output resistance (red-white) | R0 | 706±3.5 | Ω | |
| Reference excitation voltage | Uref | 5 | V | |
| Nominal (rated) range of theexcitation voltage | BU | 0.5-12 | ||
| Insulation resistance | Ris | >5 | GΩ | |
| Nominal (rated) range of theambient temperature | BT | -10-+40 | ℃ | |
| Operating temperature range | Btu | -50-+70 | ||
| Storage temperature range | Btl | -50-+85 | ||
| Limit load | EL | 150 | %v.Emax | |
| Breaking load | Ed | >350 | ||
| Relative permissible oscilla-tory stress (oscillation width (peak-to-peak)as per DIN 50100 with10,000,000 loading cycles) | Fsrel | 70 | ||
| Maximum capacity | Emax | 30 | 40 | t |
| Rated displacement at Emax, approx. | snom | 0.75 | 0.85 | mm |
| Weight with cable,approx. | G | 2.3 | 2.9 | kg |
| Degree of protection per EN60529(IEC529) | IP68 (test conditions 2 m water column 110.000 h) | |||
Material | ||||
Measuring body Housing Cable entry Seal Cable sheath | Stainless steel 30t to 40t: 1.4404 Stainless steel(for Emax=40t:. Nickel-plated brass) Viton (for Emax=40t: silicone) Thermoplastic elastomer | |||
Force Sensor Styling Suggestions |
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Force sensor manufacturing process |
Load Cell Force Sensor Non-standard customisation process |
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| Fibos possesses a professional technical team capable of developing customized products to meet specific client requirements. Our R&D cycle is seamlessly integrated with our in-house production lines, enabling us to deliver relevant products within a short timeframe. |
Force Sensor Case Studies |
Frequently Asked Questions about Force Sensors |
A:It’s a heavy-duty column-type load cell designed for truck scales/weighbridges, large tank/silo weighing, and industrial weighing systems. It’s also an ideal direct replacement for outdated load cells to upgrade weighing accuracy.
A:Rated loads of 30t and 40t, IP68 protection grade, and features a self-resetting function.
A: Yes. Constructed from high-strength stainless steel with laser welding, it achieves IP68 waterproof/dustproof rating. It withstands extreme conditions like humidity, dust, and wide temperatures (-40℃~85℃) with 2x overload capacity.
A: Absolutely. It’s optimized for parallel connection with built-in off-center load compensation, ensuring accurate measurements even when loads are not centrally applied.
A: It features a self-resetting design for straightforward setup. The optional FA409M weighing module adds suspension, anti-tipping, and anti-rollover features, with stainless steel top/bottom plates for quick, stable installation.
A:Yes, it’s a cost-effective direct replacement for HBM-C16A and compatible with most existing weighbridge and tank weighing setups.
Precision Force Sensing
— Engineered for Stability, Calibrated for Accuracy.