Surface roughness tester HST300

portablewith built-in printerwith external sensor

1. Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use. 2. The surface roughness of metal and non-metallic. 3.Pocket-size & economically price 4.Large measuring range suitable for most materials 5.Optimized electric circuit design with transducer structure design, high integrate power. 6.It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm. Technical Parameters Testing parameters Ra, Rz Ra, Rz, Rq, Rt Measuring range (um) Ra: 0.05- 15.0 Rz: 0. 1-50.0 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 Indication accuracy 0 01 Indication error ±(7- 10)% Variability < 12% Power Rechargeable li-battery Stylus static force: ≤ 0.016N Force measuring ≤ 800N/m Working temperature -20℃～40℃ Relative humidity <90% Weight of Host 200g Size 106mmx70mmx24mm