Repair THV-30M Vickers hardness tester

Item A-type machine parameter measurements Vickers hardness measurement test force (gf) 10 25 50 100 200 300 500 1000 (mN) 98 245 490 980 1960 2940 4900 9800 dwell time of 2-99 seconds (1 second increments) loading and unloading control Automatic (loading / dwell / unloading) turret manually objective optical system: 10 × (observation) of the objective lens: 40 × (measurement) total magnification: 100 × (observation), 400 × (measurement) Measuring range: 200μm Resolution: 0.01μm optical channel switchable dual optical channel: eyepiece / CCD imaging device displayed on the LCD display, menu-driven user interface hardness 5 4 digital diagonal digital (D1, D2) mathematical statistics the number of measurements, max , minimum, average Vickers hardness scale ruler: HV0.01, HV0.025, HV0.05, HV0.1, HV0.2, HV0.3, HV0.5, HV1 Knoop scale: HK0.01, HK0 .025, HK0.05, HK0.1, HK0.2, HK0.3, HK0.5, HK1 conversion scale Rockwell, Superficial Rockwell, Brinell, Shore, tensile test force unit gf, mN ??XY platform Size: 100 × 100mm stroke: 25 × 25mm Resolution: 0.01mm Maximum specimen height: 90mm Maximum depth: 120mm (counting from the center) English language Chinese machine power supply voltage 220V 50Hz ≤60W local printing data output, RS232 data processing data search, data storage adjustable brightness light source 10, 30 minutes idle, the system automatically shut down the brightness, contrast LCD to enter power-saving mode 10 adjustable instrument volume 148x44x22 (mm) Weight 50kg Standard conform EN-ISO6507 and ASTME384