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Railway Frog Structure Height Gauge

QT-09

Antong Railway Frog Structure Height Gauge
EQUIPMENT & APPLICATION

Designed for field operations

Measures the height difference between the frog nose and wing-rail top surfaces. Digital-gauge requirements below follow JJG 1183-2021 Verification Regulation of Railway Crossing Structural Height Measuring Instruments.

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Technical & application details

V91 · Page 23
METROLOGICAL REQUIREMENTS (REGULATION)
Main beam length ≥300 mm
Measuring range Must cover -15 to +15 mm
Digital resolution ≤0.01 mm
Indication error Within ±0.10 mm
Repeatability ≤0.03 mm
Digital drift over 1 h ≤0.01 mm
Indication variation ≤0.04 mm across lateral travel
Locating-face coplanarity ≤0.02 mm
Working-face roughness Ra ≤0.8 μm
Standards / metrological references: JJG 1183—2021 Verification Regulation of Railway Crossing Structural Height Measuring Instruments

Source: Antong Company & Product Brochure V91. Refer to the original brochure and consult our technical team for configuration and applicability of specifications and standards.

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