
Digital Universal Hardness Tester TH725
TH725 is the most powerful digital hardness testing machine. It provides reliable Brinell, Rockwell, Vickers testing methods with different testing forces and indenters. Large LCD display. Conversion scales of different kinds of hardness. Equipped with RS232 interface and printer. Features ● Large LCD display shows stable and accurate results ● Digital versatile hardness tester for Brinell, Rockwell, Vickers testing ● Conversion among different hardness scales ● Selection of dwell time and setting of time and date ● Storage and printing function ● RS232 interface for optional functions Rockwell Hardness Specifications of rockwell hardness Testing force(N) Initial testing force 98.07(10kg) Tolerance ±2.0% total testing force 588.4(60kg) Tolerance ±1.0% 980.7(100kg) 1471(150kg) Indenter Diamond cone indenter Ф1.5875mm ball indenter Scales HRA HRB HRC HRD Max height of samples 175mm Brinell Hardness The technical specification of brinell hardness tester Testing force 294.2N(30kg) Tolerance ±1.0% 306.5N(31.25kg) 612.9N(62.5kg) 980.7N(100kg) 1839N(187.5kg) Indenter φ2.5mm、φ5mmBall Indenter Scales HBW1/30 HBW2.5/31.25 HBW2.5/62.5 HBW5/62.5 HBW10/100 HBW2.5/187.5 Eyepiece magnification 15× Objective 2.5×(resolution 0.5μm) 5×(resolution 0.25μm) Max height of sample For 2.5×: max height is 95mm For 5×: max height is 115mm Vickers Hardness Technical specifications of vickers hardness Test force 294.2N(30kg) Tolerance ±1.0% 980.7N(100kg) Indenter Diamond vickers indenter Scale HV30 HV100 Eyepiece magnification 15× Objective magnification 5×(Resolution 0.25μm) Max. height of specimen 115mm Technical Specifications The power source and the voltage AC220V/110V, 50/60 Hz Time-delayed control 0-60 seconds, adjustable The distance from the Indenter center to the instrument body 165mm Overall dimension (length×width×height) 551×260×800 mm The net weight of the tester 80kg (Approx) Accessories(Packing List) Accessories kit of main body Accessories kit of microscope No. Description of goods Quantity No. Description of goods Quantity 1 Diamond cone rockwell indenter 1 1 Digital eyepiece 1 2 φ1.5875mm steel ball indenter 1 2 Seat of microscope in harness 1 3 Large testing table 1 3 Outside light 1 4 Medium testing table 1 4 Inside light 1 5 “V” shaped testing table 1 5 2.5× objective 1 6 0、1、2、3、4 weight Total 5 6 5× objective 1 7 Standard hardness block HRC ( high, lower) Total 2 7 Slipped testing table 1 8 Standard hardness block HRB 1 8 Diamond vickers indenter 1 9 Level bolt 4 9 φ2.5mm,φ5mm ball indenter 2 10 spanner 1 10 Standard vickers hardness block(HV30) 1 11 Power cable 1 11 Standard brinell hardness block(HBW/2.5/187.5) 1 12 Instruction manual 1 12 Gradienter 1 13 Quality certificate 1 13 Fuse 2A 2 14 Plastic Anti-dust Bag 1