JSM-1M,JSM-1A microhardness testerDetailed product description：

Technical parameters of JSM-1M and JSM-1A microhardness testers

Test force: 0.098N, 0.245N, 0.490N, 0.981N, 1.961N, 2.942N, 4.903N, 9.807N
Applying test force speed: 0.05mm/s
Test force holding time: 5-99S selection
Digital eyepiece magnification: 10X
Objective magnification: 10X and 40X
Indentation measurement
Maximum measuring length: 250 μ m
Minimum measurement length: 0.1 μ m
Maximum hardness display: 9999.9
Minimum hardness display: 0.001
Measurement frequency: 0-99
Maximum height of sample: 120mm
Power supply: 220V 50HZ
Dimensions: Width 270mm, Height 515mm, Length 450mm
Weight: 30kg