| description: | Technical parameters: Implementation of standards: GB / T1728-89 Specification: 316 × 24 × 3 mm Linear trajectory period: 6 12 24 h Needle stroke: 305mm Power supply 220V 50HZ Measurement error ± 4% Test environment (GB1727--88) Detailed Product Description: Uses: Determination of film, putty film drying time, it painted on the surface of the paint, varnish and other coatings from the fluid into a stable film, can describe the form of linear trajectory, automatic continuous display Drying process at all stages of the state, can be intuitive analysis of the various stages of time |