Must-have Rttk-882 Digital Surface Roughness Tester 4 Parameters (ra, Rz, Rq, Rt) Built-in Diamond Pin Probe Holiday Edition [cD1eM8t3]

This tester is widely used in production site to measure surface roughness of various machinery-processed parts and calculate corresponding parameters according to selected measuring conditions and clearly display all measurement parameters in Metric or Imperial. 

Features:

1. Highly sophisticated inductance sensor
2. The sensor sliding along the surface by driving the mechanism
3. Built-in lithium-ion rechargeable battery
4. Option to communicate with PC computer for statistics, printing and analyzing via the optional cable and software for RS232C interface (optional, not included in the set)
5. Manual and Auto switch off
6. Metric / Imperial Conversion
7. Exclusive DSP processes to output measurement results on LCD
8. Circuit with high capacity
9. Compatible with four international standards ISO, DIN, ANSI and JIS
10. Applicable in production site, laboratory, and workshop in factory
    
    

Specifications:

• Multiple parameter measurement: Ra, Rz, Rq, Rt
• Filtering methods: RC, PC-RC, GAUSS and D-P
• Measuring Range
  
  • Ra, Rq : 0.005~16.00 um / 0.020~629.9 uinch
  • Rz, Rt :0.020~160.0 um / 0.078~6299uinch
• Accuracy:<=10%
• Repeatability: <= 6%
• Fluctuation of display value: <= 6%
• Sensor
  
  • Test Principle: Inductance type
  • Material of Probe Pin: Diamond
  • Radius of Probe Pin: 5µm
  • Dynamo-measurement of Probe: 4mN(0.4gf)
  • Vertical Radius of Guiding Head: 48mm
  • Probe Angle: 90°
• Maximum driving stroke: 17.5mm / 0.7inch
• Cutoff Length: 0.25mm / 0.8mm / 2.5mm optional
• Evaluation length 1-5 cut-off optional
• Driving speed
  
  • sampling length = 0.25mm Vt=0.135mm/s
  • sampling length = 0.8mm Vt=0.5mm/s
  • sampling length = 2.5mm Vt=1mm/s
  • returning Vt=1mm/s
• Resolution:
  
  • 0.001µm if reading <10µm
  • 0.01µm if 10µm =reading <100µm
  • 0.1µm if reading =100µm
• Data output: communicate with PC through RS232C interface (optional, not included in set)
• Store memory: 7 groups of measurement
• Display: 4 digits, 10mm LCD with blue backlight
• Operating conditions
  
  • Temperature: 0~50°C
  • Humidity: <85%
• Auto & Manual switch off
• Size: 140 x 57 x 48mm (5.5 x 2.2 x 1.9 inch)
• Weight: about 420g

Set Includes:

• 1 x 4 Parameters Digital Surface Roughness Tester
• 1 x Carrying Case
• 1 x Standard Sensor
• 1 x Standard Sample Plate
• 1 x English Operation Manual
• 1 x Screwdriver
• 1 x Adjustable Leg
• 1 x Sensor Protector
• Power Adapter