Mitutoyo SJ-220 Surface Roughness Tester, 0.75 mN (178-741-11)

Genuine Mitutoyo SJ-220 (178-741-11), new Japanese-market stock shipped from Japan. It is a compact Surftest surface roughness tester (standard drive unit, 0.75 mN measuring force) with a 17.5 mm X-axis measuring range and a 360 µm Z-axis range.

Product identification

• Brand: Mitutoyo
• Model: SJ-220
• Manufacturer code: 178-741-11
• JAN: 4550501394482
• Country of origin: Japan

Specifications

• Type: compact surface roughness tester (Surftest SJ-220), standard drive unit
• Stylus cone taper angle: 60°
• Stylus tip radius: 2 µm
• Measuring force: 0.75 mN
• Measuring range, X-axis: 17.5 mm
• Measuring range, Z-axis: 360 µm
• Measuring speed (as listed): 0.25, 0.5, 0, 0.75 mm/s (return: 1 mm/s)
• Weight: 510 g

The 17.5 mm X-axis range is the longest traverse the stylus can make in one measurement (our reading of the spec).

Before you buy

• The included AC adapter is the Japanese-market version; plug type and input voltage: Not confirmed.

In the box

• Handy case (code No. 12AAY583)
• AC adapter (code No. 12BAS450)
• Extension connecting cable, 1 m (code No. 12BAA303)
• USB 2.0 cable (code No. 12BAS451)

FAQ

Is this a genuine Mitutoyo product?
Yes. It is new, genuine Mitutoyo stock from the Japanese market, shipped to you from Japan.

Is there a Surftest model with a 4 mN measuring force?
Yes. See the SJ-310 Surftest roughness tester, 4 mN (178-570-22).

Specifications: Mitutoyo product data from a Japanese distributor catalog (TRUSCO Orange Book). Specifications may change; check the maker's documentation for critical use.

Guides for this tool

Mitutoyo Surftest SJ-220 Features: 0.75 mN vs 4 mN — Which One Do You Need? Read the guide →