Mitutoyo SJ-400 Surface Roughness Tester –SJ-401 with Single Patch –SJ-402 with Double Patch
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Description
The Mitutoyo SJ-400 Surface Roughness Tester is a sophisticated and effective device that accurately measures and analyzes the roughness of different materials. It comes in two versions: the SJ-401 with a single patch and the SJ-402 with a double patch. The SJ-401 is perfect for flat surfaces, while the SJ-402 is suitable for curved or irregular surfaces. Both models deliver precise and dependable results, enabling users to evaluate the quality and functionality of their materials. By using the Mitutoyo SJ-400 Surface Roughness Tester, users can easily assess and monitor surface roughness, leading to improved manufacturing processes and product quality.
Specifications
– Model: SJ-400 Surface Roughness Tester
– Variant: SJ-401 with Single Patch
– Variant: SJ-402 with Double Patch
– Measurement method: Skidded
– Measurement parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, RSk, RSm, Rmr(c), Rmr(p), RSmr(c), RSmr(p), Rmr(t), RSmr(t), Rpm, Rtm, R3zm, Rzjm, Rzpm, etc.
– Measurement range: 0.005 μm to 800 μm
– Evaluation length: 0.08 mm to 25.6 mm
– Cutoff length: 0.25 mm, 0.8 mm, 2.5 mm
– Skid length: 2 mm, 5 mm, 10 mm
– Measuring force: 0.75 mN or 4 mN
– Drive unit: Automatic
– Display: 5.7-inch color TFT LCD
– Memory capacity: 10,000 measurement results
– Data output: USB, RS-232C, Digimatic, and optional Bluetooth
– Power supply: AA-size Alkaline batteries or AC adapter
– Battery life: Approximately 60 hours
– Operating temperature: 0°C to 40°C
– Dimensions: 155 mm (W) x 128 mm (D) x 57 mm (H)
– Weight: Approximately 650 g (including batteries)
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Our Capabilities
Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
Optical
Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


