DRK023A fiber stiffness tester (manual) is used to determine the bending properties of various fibers. Instrument Characteristics: 1. All metal casing. 2. It can measure the bending performance of various fibers. 3. Judge the bending point manually. 4. The moving test ruler is equipped with imported precision bearings, which is durable. technical parameter: 1. The measuring ruler is adjusted by the precision guide rail 2. Measuring ruler: 0-150mm adjustable 3. Straightedge accuracy: 0.1mm 4. The ruler can be quickly disassembled and replaced; 5. Fixed roller: Φ10mm (removable and replaceable) 6. 3 sets of sample racks on the side 7. Power supply: AC220V, 100W 8. Host size: 750mm×300mm×625mm (L×W×H) 9. Weight: 40Kg