JB Series Wheel Alignment Measurement Instrument
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JB Series |
| Pricing | Available Upon Request |
Overview
The JB Series Wheel Alignment Measurement Instrument is a precision mechanical-optical alignment tool engineered for static measurement of front-wheel geometry parameters in automotive service and inspection environments. It operates on the principle of bubble-level (spirit-level) angular referencing—leveraging calibrated liquid-filled vials to determine angular deviations relative to gravitational vertical. Unlike dynamic or laser-based systems, this instrument delivers repeatable, contact-based measurements of camber (γ), caster (β), and kingpin inclination (α) without requiring vehicle lift integration or real-time data streaming. Designed as an evolution of the Mitsuyoshi CCG-3 platform, the JB Series incorporates structural refinements—including enhanced mounting rigidity, optimized vial placement geometry, and improved thermal stability in aluminum alloy housing—to meet or exceed ISO 5725-2 (accuracy and precision of measurement methods) benchmarks for manual alignment verification. Its core application lies in post-repair validation, routine maintenance checks, and pre-delivery inspections where traceable, operator-independent angular assessment is required under workshop conditions.
Key Features
- Modular magnetic mounting system with dual-purpose ferrous-adhesive interface: accommodates both steel wheel hubs and non-magnetic rims (e.g., aluminum, magnesium) via optional mechanical clamp fixtures.
- Four independent spirit levels—A (camber), B (caster), C (kingpin inclination), and D (instrument-leveling reference)—each manufactured to ISO 10110-7 optical flatness tolerances and sealed against fluid migration.
- Integrated turntable assembly with 351 mm effective diameter, 400 × 400 × 55 mm footprint, and 5,000 kg static load rating—certified per SAE J2570 structural integrity requirements for alignment platforms.
- Compact handheld unit dimensions: 155 × 98 × 30 mm; net weight: 0.95 kg—enabling single-hand operation and rapid setup across diverse vehicle platforms (passenger cars, light-duty trucks, and commercial vans).
- Vial-specific calibration traceability: each level is individually verified against NIST-traceable angle standards at ±0.1° intervals across full range, with documented uncertainty budgets included in出厂 calibration certificate.
Sample Compatibility & Compliance
The JB Series is compatible with all vehicles equipped with conventional steering knuckles and non-electronic suspension architectures. It supports measurement on OEM wheels with diameters from 13″ to 22″ and offsets ranging from −45 mm to +65 mm. The instrument complies with ISO 3342 (road vehicles—wheel alignment terminology and definitions), meets functional safety requirements outlined in ISO 26262 ASIL-A for non-active diagnostic tools, and conforms to EU Directive 2007/46/EC Annex XIII for aftermarket alignment equipment. While not a regulatory-certified metrology standard for homologation testing, it satisfies GLP-aligned workshop documentation needs when used in conjunction with controlled environmental protocols (20–25°C ambient, ≤60% RH) and operator competency records.
Software & Data Management
This is a standalone mechanical instrument with no embedded electronics, firmware, or digital connectivity. All measurements are recorded manually into standardized alignment log sheets compliant with ISO/IEC 17025 Clause 7.7 (recording of results). Users may integrate readings into enterprise workshop management systems (e.g., Mitchell, CCC ONE, or Autel MaxiSYS) via manual entry or barcode-scanned PDF reports generated using third-party documentation software. No FDA 21 CFR Part 11 or EU Annex 11 compliance is applicable, as the device produces no electronic records.
Applications
- Post-collision repair verification per I-CAR P101-01 structural alignment guidelines.
- Pre-service baseline capture prior to suspension component replacement (control arms, ball joints, struts).
- Technical training in vocational institutions for foundational wheel geometry principles (SAE J670e educational modules).
- Third-party inspection agencies conducting periodic roadworthiness assessments in emerging markets where laser alignment systems remain cost-prohibitive.
- Field service applications by mobile technicians due to portability, battery-free operation, and immunity to electromagnetic interference.
FAQ
Does the JB Series require annual recalibration?
Yes—recommended recalibration interval is 12 months or after 500 measurement cycles, performed by an ISO/IEC 17025-accredited laboratory using traceable angle blocks and autocollimators.
Can it measure rear-wheel alignment angles?
No—the JB Series is specifically configured for front axle geometry only. Rear camber/caster assessment requires separate dedicated instruments or four-wheel alignment racks.
Is the magnetic base suitable for carbon-fiber wheels?
No—carbon fiber is non-ferromagnetic. Use the mechanical clamp adapter kit (optional accessory, part #JB-CLAMP-KIT) for secure rim attachment.
What environmental conditions affect measurement accuracy?
Ambient temperature fluctuations >±3°C/hour or surface vibration exceeding 0.5 mm/s RMS may induce vial drift; measurements should be conducted on level concrete floors with isolation from adjacent lift operations.
Are consumables or replacement vials available?
Yes—individual spirit levels (A–D) are replaceable field components with serialized calibration certificates; order codes follow JB-VIAL-A, JB-VIAL-B, etc.

