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1.The track inspection instrument is a track geometry status inspection device based on the precise angular measurement principle of fiber optic gyroscope trajectory measurement. It uses a notebook computer adapted for field operations as the data processing center of the entire system, achieving online data and waveform display, and can perform online over-limit alarms for all items.zmwm14
Project | Allowableerror (tolerance) | ||
gauge | Level0 | Level1 | |
Zero Position Accuracy Indication Error | ±0.15 | ±0.15 | |
Measurement Repeatabity | ±0.30 | ±0.50 | |
≤0.15 | ≤0.20 | ||
Indication Error | ≤0.45 ±0.02% | ≤0.75 | |
Gauge change rate | Measurement Repeatability | ≤ 0.03% | ±0.03% ≤0.045% |
Zero Point Accuracy | ±0.15 | ||
Superelevation | Indication Error | ±0.15 | |
Reversal Error | ±0.30 ≤0.30 | ±0.50 | |
≤0.15 | ≤0.30 ≤0.20 | ||
Measurementrepeatability | ≤0.45 | ≤0.75 |