3.6v Li-ion Battery Pocket Size Surface Roughness Meter With Humidity Less Than 80%

Features: a Pocket-size unit with economical price, widely used in production lines, workshops and labs. a Wide measuring range suitable for most materials, and applicable for flat, outer cylinder and sloping surface a Ragged design device with a long lifetime, while keeping the accurate and reliable data results a Both Ra and Rz measurement range a All calculated measurement results shown on its LCD back-lit display hardly after tested a Indicator and alarm for low battery, out-of-limit values and dysfunction a Chargeable Li battery and improvement of the circuits function. a Improvement and Protection for sensor to secure the high accuracy and good stability. Model : TIME AR 3110 Roughness parameter : Ra, Rz Tracing length : 6mm Tracing speed : 1.0mm/sec Cut-off lengths : 0.25mm/0.8mm/2.5mm Evaluation length : 1.25mm/4.0mm/5.0mm Measuring range : Ra: 0.05-6.5I m Rz: 0.1-50I m Accuracy : A 15% Repeatability : <12% Filter : RC analogue Pick-up : Piezoelectric Radius and angle of the stylus point Diamond, Radius : 10A 2.5I m Angle: 90A (+5A or -10A ) Operating temperature : 0~40a Humidity : <80% Storing temperature : -25a ~ 60a Power : 3.6V Li-ion battery Charger : DC6V, 3 hours (charging time) Dimension (mm) : 110A 70A 24