Bus Seat Tester
1. Function and Application
The Bus Seat Tester is designed to evaluate the durability, strength, and fatigue performance of bus seating systems in compliance with FMVSS 222 and NHTSA S5.1.3 / S5.1.4 standards.
It can be mounted directly to the customer’s existing bedplate or supplied with a dedicated base. All mechanical functions are fully electric, eliminating hydraulic systems, for precise, repeatable testing.
The system is ideal for manufacturers, quality control, and safety compliance laboratories, providing both static and dynamic load testing in tension and compression to simulate real-world usage and safety conditions.
2. Applicable Test Standards
NHTSA S5.1.3 – Seat Structural Strength Testing
NHTSA S5.1.4 – Seat Attachment Strength Testing
FMVSS 222 – School Bus Seating and Crash Protection Standards
OEM / Internal Durability Specifications – Configurable for specific test requirements
3. Technical Specifications
| Item | Specification |
|---|---|
| Mechanical Drive | Fully electric, no hydraulic components |
| Shafting | 2½ inch (63.5 mm) diameter solid steel for linear adjustments and rigidity |
| Beam Adjustment | Upper and lower beams manually adjustable in height via crank handles |
| Motion Control | Extend/retract variable speed, programmable through software |
| Control System | PC-based Visual Basic software running on Windows environment |
| Data Acquisition | Load and position data recorded and plotted automatically for each ram |
| Data Output | Graphical results printable on inkjet printer in console; exportable to PC formats |
| Setup & Operation | Simple, intuitive interface; minimal training required for PC-literate operators |
| Power Requirements | 220–240 V.A.C., single phase (typical) |
| Test Capabilities | Static and dynamic tension/compression tests; destructive and non-destructive options |
| Mounting | Can attach to customer’s existing bedplate or supplied with optional bedplate |
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