PTC® Optical Instruments, Microscopes and Polariscopes

Optical Instruments

Durometers

Steel Hardness
Testers

316 Portable
C Scale

415B Steel
B Scale

415C Steel
C Scale

450 Brinell Scope

Steel Hardness Conversion Chart

PTC
Metrology Lab

*Polariscope* 6"Diameter Polariscope with Tint Plate Model 243 Power 115-125 or230 V Complete Product Specifications
*Brinell Microscope Reader* With Illuminator Mag Solitaire^® Model 450 Magnification of 20X , Field Diameter of 7.0mm Reticle Scale length is 6.00 mm Complete Product Specifications
*Industrial Microscope* With Illuminator Mag Solitaire^® Model 232B or 232B Metric 20X Magnification Rack and Pinion Focusing Complete Product Specifications
Hand Lens Model 239 6X Magnification Weight 1oz. (28g) Complete Product Specifications
Pocket Microscope Model 233 20X-60X Magnification Weight 6 oz. (170g) Complete Product Specifications

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