Heavy-Duty Large Range Inside Micrometer Set 1000-3000mm – Φ28mm Steel Rods, Industrial Precision Measurement

Resolution:0.01mm/0.001”(Professional large-capacity inside micrometer for 1000-3000mm internal measurements.)
Carbide measuring faces
Features heavy-duty Φ28mm steel extension rods and precision accuracy of (7+n+L/50)μm
Travel of micrometer head:50mm/2“
Ideal for industrial large-scale applications.

Product Description:

Industrial Large Range Inside Micrometer Set (1000-3000mm) – Heavy-Duty Precision Measurement

Designed for extreme-scale internal diameter measurements, our heavy-duty inside micrometer set handles measuring ranges from 1000mm to 3000mm with exceptional stability. The robust Φ28mm steel extension rods provide superior rigidity for accurate measurements in industrial environments. With a precision accuracy formula of (7+n+L/50)μm, this professional set is engineered for large machinery, pipeline, and industrial equipment measurement applications.

Technical Specifications:

Model Number	Measuring Range	Extension Rod Configuration
H-302-10-060	1000-1050mm	Micrometer head only
H-302-11-060	1000-2000mm	50mm, 100mm(2), 200mm, 500mm
H-302-12-060	1000-3000mm	50mm, 100mm(2), 200mm, 500mm, 1000mm

Rod Diameter: Φ28mm heavy-duty steel construction
Accuracy: (7+n+L/50)μm (where n = number of extension rods, L = maximum measurement length in mm)
Design: Professional-grade industrial measurement system

Key Features:

Extra-Large Measurement Capacity: Configurable from 1000mm to 3000mm range
Heavy-Duty Construction: Φ28mm steel extension rods ensure exceptional stability and minimal deflection
Industrial-Grade Accuracy: Precision measurement with (7+n+L/50)μm accuracy formula
Rugged Design: Built for demanding industrial environments and large-scale applications
Modular Extension System: Interchangeable rods for flexible configuration
Professional Measurement: Designed for precision large-scale internal diameter measurement
Stable Performance: Large diameter rods maintain accuracy even at maximum extension

Applications:

Heavy machinery manufacturing and maintenance
Large pipeline and vessel internal inspection
Power generation equipment measurement
Industrial plant maintenance and repair
Large bearing housing and cylinder measurement
Energy sector equipment manufacturing
Shipbuilding and large structure fabrication

Additional Information:

Accuracy Calculation Example:
For 2500mm measurement with 6 extension rods:
(7 + 6 + 2500/50)μm = (7 + 6 + 50)μm = ±63μm

Note: All extension rods are precision manufactured and clearly marked for easy identification and configuration.