2012 Hot Sale DHT-100 Portable Hardness Tester - DHT-100 Portable Hardness Tester

Portable Hardness Tester, 1.Large LCD display with back light, 2.High accuracy +/- 0.5%, 3.Conforming to ASTM A 956 Standard - more info check here: http://www.buymeasuringtools.com/2012-Hot-Sale-DHT-100-Portable-Hardness-Tester-10330106/

Quick Brief

Place of Origin: Shandong China (Mainland) Brand Name: PTE Model Number: DHT-100 Portable Hardness Tester

Specifications and Product Details:

DHT-100 Portable Hardness Tester

Features

Large LCD display with back light

For most metals

Based on the hardness HL value, conversion can be performed to HRB, HRC,HV,HB,HS and Tensile strength

Impact devices D DC DL C D+15 and G are available for special applications

Test at any angle, even upside down

RS 232 output and internal memory in a bath of 1250 average readings

Date and time display

Lower and upper limits setting with low-high display judge

High accuracy +/- 0.5%

Works on 4 standard AAA batteries

Auto shutdown after two minutes

Conforming to ASTM A 956

Technical Specification

Measuring Range / Materials	See table 1
Tensile Strength UTS range (steel only)	from 370 to 2000 (106 N/mm )
Hardness Parameter	HL, HRC, HRB, HV, HB, HS
Optional Impact Device	DC / D+15 / DL / C / G
Display functions	Scale, Hardness Value, times, average indicator and average value, impact direction, type of impact device connected, memory. reference, date, time,battery power consumption
Display	128 x 64 LCD display with back light
Accuracy	+/- 0.5% (at HLD=800)
Memory	1250 group
Output	RS 232
Testable workpiece	Thickness coupled: Minimum 3 mm or more (Except with Impact device G:10mm) Mass: 5kg or more (2-5kg on solid support ,<2kg with couplant paste) Surface roughness: Ra 10 Radius (convex/concave): Rmin=30mm or more (<30mm with support ring )
Test Points	5mm or more from the edge of the sample, 3mm or more to each of the tested points
Battery type	2 AAA alkaline, 1.5V
Operating temperature	-20 ~ +50
Dimensions	108mm 62mm 25mm
Weight	230 grams (including impact device)

Table 1 (For impact device D)

Materials	HL	HRC	HRB	HB	HS	HV
ST & Cast ST	300~890	19.8~68.5	59.6~99.6	80~651	26.4~99.5	83~976
CWT Stell	300~840					80~898
Stainiless	300~800	20.4~67.1		85~655		85~802
GC Iron	444~650		46.5~101.7	140~334(30 D2 )
NC Iron	416~658	19.6~62.4		140~384(30 D2 )
Cast Alum	200~560			30~159 (10D2 )
Brass	200~550	13.5~95.3		40~173 (10D2 )
Bronzes	300~700			60~290 (10D2 )
Copper	200~690			45~315 (10D2 )