Digital Handheld Surface Roughness Tester KR220 Indication Accuracy 0.001

20 roughenss parametersRa,Rz,Rq,Rt,Rp,Rv,R3z,R3y,RzJIS,Rsk,Rku,Rsm,Rs,RPc,Rk,Rpk,Rvk,RyMr1,Mr2Measuring RangeRa: 0.005~16.000μmRz:0.02~160.00μmSample Length0.25, 0.80, 2.50mmEvaluation Length(1~5)LMaximum Drive Stroke17.5mm/0.7inchIndication Accuracy0.001μmAccuracyTolerance≤±(5nm+0.1A)A=Ra value printed on precise specimenRepeatability<6%Data Storage100 groupsPowerRechargeable Li-batteryRelative Humidity<90%Working Temperature-20°C~40°CSize158x63.5x46mmWeight of Host0.3kg

• Electromechanical integration design, small size, light weight, easy to operation; DSP chip control and data processing, high speed, low power consumption; 128×64 OLED dot matrix display, digital or graphic highlight display; no viewing angle;
• Display full information, intuitive and graphical displays all parameters; Built-in lithium-ion rechargeable battery and control circuit, high capacity, no memory effect; Can work more than 20 hours while the power is enough;
• Large capacity data storage, can store 100 item of raw data and waveforms; Real-time clock setting and display for easy data recording and storage; With automatic sleep, automatic shutdown power-saving features;
• Reliable circuit and software design of prevent the motor stuck; Can connected to the computer and printer;
• All parameters can be printed or print any of the parameters which set by the user; Optional curved surface pickup sensor, holes sensors, measurement stand, Sheath of sensor,extension rod,printer and analysis software