8-2b22t Compression Rocker Column Load Cell 22 Ton
Pit-mounted and pitless truck scales, modular weighbridge decks, cement and aggregate bulk batchers.
22 Ton (22,000 kg)
IP68 Hermetic Laser Seal
Precision Metrology & Electrical Specifications
SPEC VERSION: 2026.1 / CALIBRATION VERIFIED| Structural Architecture | Rocker Column Compression |
| Calibrated Rated Capacity | 22 Ton (22,000 kg) |
| Rated Output / Sensitivity | 2.0 ± 0.002 mV/V |
| Combined Total Error | ≤ ±0.02% FS |
| Bridge Input / Output Impedance | Input: 750 ± 15 Ω | Output: 702 ± 5 Ω |
| Insulation Resistance | ≥ 5000 MΩ (Tested at 50V DC) |
| Excitation Supply Voltage | 10V - 12V DC |
| Compensated Temperature Range | -35°C to +75°C |
| Safe / Ultimate Overload Margins | Safe: 150% FS | Ultimate: 300% FS |
| Integral Cable Specification | 14m 4-Core Shielded Heavy Industrial Cable |
8-2b22t: Rocker Column Compression Metallurgy, Sealing & Mounting Architecture
Heavy Weighbridge Compression ArchitectureHigh-Tensile Quenched Alloy Steel, Anti-Corrosion Plating. Specifically engineered for Rocker Column Compression service in Pit-mounted and pitless truck scales, modular weighbridge decks, cement and aggregate bulk batchers.
- High-tensile alloy or 17-4 PH stainless steel hardened to eliminate zero shift under repetitive 45-ton tandem truck axle impacts.
- Rated for capacity of 22 Ton (22,000 kg) with safe overload margin of 150% FS and ultimate breakload of 300% FS.
- High elastic recovery prevents zero balance shift under dynamic braking and acceleration forces.
Full true hermetic enclosure with laser-welded stainless steel bellows or diaphragms (IP68 Hermetic Laser Seal).
- Tested for continuous submersion at 1.5m water depth for 100+ hours without moisture ingress.
- Compensated temperature range (-35°C to +75°C) prevents thermal span drift in Iraqi desert climates.
- Equipped with 14m 4-Core Shielded Heavy Industrial Cable with internal water-blocking filler to prevent capillary fluid migration.
Mounting Kinematics & Side-Load Rejection
Self-aligning spherical load buttons; excellent recovery under longitudinal vehicle movement.
8-2b22t: Wiring Pinouts, Conductor Coding & Summing Interfacing
Hardware Interface Map| RED | + Excitation Supply (+Exc): 10V - 12V DC |
| BLACK | - Excitation Return (-Exc) |
| GREEN | + Signal Output (+Sig): 2.0 ± 0.002 mV/V |
| WHITE | - Signal Return (-Sig) |
| BLUE / BRN | + / - Sense Leads (6-Wire Remote Sensing) |
| YELLOW | Braided Shield / Earth Ground: 14m 4-Core Shielded Heavy Industrial Cable |
- Bridge Impedance: Input 750 ± 15 Ω | Output 702 ± 5 Ω ensures balanced summation in multi-cell weighbridges.
- Sensitivity Calibration: 2.0 ± 0.002 mV/V with combined error ≤ ±0.02% FS guarantees trade precision.
- Digital / Analog Summing: Direct connection to stainless junction boxes with multi-turn corner trimmers.
- Overload Barrier: Safe overload 150% FS and ultimate overload 300% FS.
8-2b22t: Regional Field Performance Across Iraq & COSQC Stamping
COSQC Legal VerificationHigh groundwater with extreme sulfate concentrations (>3,500 mg/L) causes rapid pin corrosion in generic cells. 8-2b22t features sealed construction tested for high saline and petrochemical marine environments.
Summer ambient temperatures reach +55°C, with direct metal surface exposure exceeding +75°C. Internal temperature compensation (-35°C to +75°C) preserves legal calibration.
Cement plant complexes and aggregate quarries generate intense dust and 45-ton axle shocks. Heavy metallurgy withstands abrasive silica dust without mechanical binding.
Iraqi COSQC Legal Metrology Compliance & Stamping
This component satisfies all regulatory requirements mandated by the Iraqi Central Organization for Standardization and Quality Control (COSQC) for trade-approved weighing instruments (OIML R60 C3 / NTEP Class III).
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