Working principle: resistance type
Measurement types: cotton yarn, lint, fibre, brown silk, feather, yarn, fibre, cloth, leather, etc.
Measurement range:4-40%
Resolution: 0.5%
Test accuracy: 0.5%
Weight: 350g
Display mode: three-digit LED display over-standard alarm, voice report
Power supply: 4x No.5 dry batteries (not included)