JD220 Surface Roughness TesterMeasurement parameters: Ra, Rz, Rq, Rt
Length of time (mm) : 6
Sampling length (mm) : 0.25, 0.80, 2.50
Evaluation length (mm) : 1.25, 4.0
Value error: plus or minus 15%
Measurement range (mm) : Ra: 0.05 ~ 10.0 Rz: 0.1 ~ 50
Show value volatility: < 12%
- Technical index
*Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly, in line with the design of the new trend.
*Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved.
*Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle, is suitable for various occasions.
*The lithium ion rechargeable battery, can work for a long time, no memory effect, can while charging, charging time is short, long battery life.
* Using a dedicated charger or computer USB port for charging, convenient and quick.
*Real-time monitoring of lithium battery power and display, and to remind users to charge with charging progress indication.
*Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use.
*The surface roughness of metal and non-metallic.
*Pocket-size & economically price
*Large measuring range suitable for most materials
*Optimized electric circuit design with transducer structure-design, high integrate power.
*It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm.
*Testing parameters:Ra, Rz, Rq, Rt
*Measuring range (um):Ra, Rq: 0.05-15.0
Rz, Rt : 0.1-50.0
*Sample length (mm):0.25, 0.80, 2.50
*Evaluation length(mm):1.25, 4.0, 5.0
*Stroke length (mm):6
*Stylus static force:≤ 0.016N
*Force measuring rate of change:≤ 800N/m
*Weight of Host:200g
*Calibration block and bracket 1
*Data line 1
*Operating manual 1
*Warranty card 1
*Certificate of approval 1
*Instrument case 1