Overview
Emissions and Stack Flaw Detector Digital Inspection System for Railway is a high-performance digital ultrasonic rail flaw detector designed for comprehensive railway system inspections. This device features an 11-inch TFT display visible under strong sunlight, lightweight trolley mobility, and multi-channel detection with advanced A-scan and B-scan capabilities. It efficiently detects flaws at the head, web, and foot of rails, covering both new and old standard processes. With smart GPS integration, real-time alerting, and full-course recording, this product ensures accurate flaw detection, data management, and reporting for high-speed, subway, and conventional rail systems.
Features
- Multi-channel inspection: 11 channels with 9 working in turn, 2 spare for special purposes.
- Wide frequency range: 2 to 4 MHz for versatile rail testing.
- Adjustable gain: 80 dB total, independently tunable per channel.
- Dynamic range: 16 dB minimum with min rejection, 2 to 6 dB with max rejection.
- Dual display modes: A-scan and B-scan for detailed flaw visualization.
- Tunable gate: Adjustable start, length, and threshold for precise detection.
- Alarm system: Light and sound alerts for beam path, head, and defect spots.
- High-sensitivity detection: Ensures flaws are detected with ≥40 dB surplus.
- Specialized probes: 0°, 37°, and 70° probes for comprehensive rail coverage.
- Portable power: DC 12V lithium battery with ≥8 hours of operation.
- Complete system: Includes trolley, instrument, battery, and charger for field use.
Technical Specifications
| Channel & Working Mode | 11 channels, 9 work in turn by TR, 2 spare for special purpose |
| Frequency Range | 2 MHz to 4 MHz |
| Gain | 80 dB total, independently tunable per channel |
| Dynamic Range | ≥16 dB with min rejection, 2 to 6 dB with max rejection |
| PRF | 400 Hz per channel |
| Displaying Mode | A-scan or B-scan |
| Display Reachable | Options for Auto, 43 kg/m, 50 kg/m, 60 kg/m, 75 kg/m |
| Horizontal Linearity | ≤1% |
| Vertical Linearity | ≤3% |
| Gate | Tunable for start, length, and threshold |
| Alarm Mode | Light or sound, indicating beam path, head-spot, and defect-spot |
| Gain Curve | Adjustable |
| Sensitivity Surplus | Normal probe: ≥40 dB at 4.33 in depth of WGT-3 block; 37° & 70° angle probes: ≥40 dB at 1.54 in lateral hole |
| Dynamic Detecting Capability | Probes at 0°, 37°, 70°; detects all artificial flaws and signals alarms |
| Power Supply | DC 12V (Li Battery) |
| Battery Life | ≥8 hours |
| Display Ambient Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Weight (Product Only) | 59.5 lb (27 kg) |
| Tank Volume | ≥17 L |
| Size / Dimension | 11 in x 8 in x 2.3 in (approx. 280 mm x 203 mm x 58 mm) |
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