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Glass intensimenter LSM series


Glass surface stress meter
The quality control is an important problem on Heat-strengthened and Fully-tempered glass of which the safety is obtained.
Glass intensimeter LSM series which utilized technology and know-how of the optics manufacturer is compactly light.
The handling is also simple, and the surface stress of tempered glass is measured high-precise.
LSM-901

This type is adapted to measure stress onto a glass surface ranging from 100 to 1,500 MPa (MN/).
Since the values of stress to be applied onto thermally-tempered glasses are directly measured with this type, the measurements can be performed quickly. Since this type is structured in a compact size with a light weight and is adapted to be driven with a battery, it permits measurements at any places. The measuring procedures with using type are simple and easy to handle for any operators. And also, evaluations on chemically-strengthened glasses according to the conventional measuring methods are performable with this type by means of replacing an ocular micrometer appropriately.
Specification LSM-901
Manner of Measurement Refractometer-type
Dimension H260D70140mm
Weight 1.6kg
Measurablle Renge 1001500MPa
Resolution 10MPa
Accuracy 30MPa
Object to be Measured Thermally tempered glass
Light Source Light emitting diode,590nm
Electric Source Dry cells of type-(4 cells)
Immersiion Liquid Used Nd=1.64

LSM-902
This type is adapted to measure stress onto a glass surface ranging from 0 to 150 MPa (MN/). With this Babinet-type, uniform measurements can be achieved irrespective of personal capabilities of the operators. Since this type is structured in a compact size with a light weight and is adapted to be driven with a battery, it permits measurements at any places. The measuring procedures with using type are simple and easy to handle for any operators. The measuring method is conformable to ASTM.
Specification LSM-902
Manner of Measurement Babinet-type
Dimension H150D150W130mm
Weight 1.6kg
Measurablle Renge 0150MPa
Resolution Equivalent to1(As reaking angle)
Accuracy Whichever greater of a measuredvalue
10and a measuredvalue5MPa
Object to be Measured Thermally tempered glass
Light Source Semiconductor laser,635nm
Electric Source Dry cells of type-(4 cells)
Immersiion Liquid Used Nd=1.64


FSM-60LE

FSM-60LE measures surface stress of chemically and thermally tempered glass accurately. The birefringence which is necessary for measuring appears clearly because light source has narrow band wavelength. This product is especially suitable for development and process control.
Specificatin
Range 01000MPa
Accuracy 20MPa
Object to be Measured Thermally tempered glass
Chemicaly tempered glass
Light Source LED
weight 15kg
Electric Source AC100V


FSM-6000LE

FSM-6000LE measures surface stress of chemically and thermally tempered glass automatically with PC. The automatic measurement reduces the error resulted from operator. And the operator usually had to perform elaborate calculations to measure surface stress of chemically tempered glass, but the automatic measurement reduces the measuring time. This product keeps measuring data into PC.
Specificatin
Range 01000MPa
Accuracy 20MPa
Object to be Measured Thermally tempered glass
Chemicaly tempered glass
Light Source LED
Weight 22kg
Electric Source AC100V
PC Installed OS and measuring soft
OS Windows XP