Usage: Tensile Testing Machine Printing: Silk Screen Priting High Silk Screen Tension Meter Tension Meter 7-36N This tension meter apply to measure mesh tension.very dependable and accuracy. it has correction it's not allowed to disassemble or re-fix it Testing the mesh tension of N/for cm Measuring range:7~36N/for cm Measuring Value :N/for cm Error/Deviation: +/- 1, Manufacturer: SkyPOOU