JH-240 Granite-Base Roughness Tester
  • JH-240 Granite-Base Roughness Tester

JH-240 Granite-Base Roughness Tester

Brand JUHUI

Product origin Shanghai

Delivery time In Stock

Supply capacity Unlimited Supply

Provides stable support for handheld roughness testers.
Precision marble base ensures vibration-free measurements.
Easy lifting column for flexible height adjustment.
Ideal for accurate measurement of precision components.

JH-240 Granite-Base Roughness Tester

Product Description

The JH-240 Granite-Base Roughness Tester is one of the main accessories for portable roughness testers.
It provides a high-precision marble measurement base and a lifting column adjustment system, allowing convenient and stable instrument positioning.
This greatly reduces the difficulty of operation, especially during the testing of high-precision mechanical parts.
The platform is compatible with various brands of roughness testers, including both domestic and international models.
Customized connection plates can also be provided for special sensor configurations.
For some specific types of sensors, this platform is essential for performing complex and precise adjustments.

JH-240 Granite-Base Roughness Tester

Product Advantages

  1. Minimal backlash in column lifting for high precision.

  2. Smooth and flexible height adjustment mechanism.

  3. Accurate and reliable positioning with excellent repeatability.

  4. Sturdy marble base provides vibration damping and stability.

  5. Compatible with various domestic and imported roughness testers.

  6. Easy to install, operate, and maintain for long-term use.

  7. Anti-rust and easy-to-clean surface ensures long service life.

  8. Designed for laboratory environments and precision workshops.

Connecting Plate Dimensions


Surface Roughness Tester Platform

Maintenance Instructions

  1. Clean and apply anti-rust treatment regularly.
  2. Avoid applying lateral force to move the sliding carriage.
  3. When relocating the unit, hold the measuring platform instead of lifting directly by the column to prevent loosening and positioning errors.

Technical Specifications

  1. Lifting Height: 280±3 mm

  2. Return Stroke Error: ≤ 1/6 handwheel revolution

  3. Measuring Platform Dimensions: 400mm (L) × 250mm (W) × 60mm (H)

Standard Accessories

1.No. 3 Cross Screwdriver

2.M6 Torx Screw (Bakelite Handle)

3.Screw Set:

  • Hex Socket Screw M4×8

  • Cross Screw M3×12

  • Cross Screw M3×18

4.Button Head Hex Socket Screw M6

  • Hex Key Set: M3, M4, M5, M6

5.Metal V-Block



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