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Adress: R.108, Building 38, Baiwang Jasmine Garden Haidian District, Beijing, 100094 China
Zip code: 100094
Email: export@dgc-ndt.com.cn
Tel: 0086 10 51659992
Fax: 0086 10 62314006

DHT-100
-Features
1.   Wrist type Hardness Tester
2.   Easy to read menu operation
3.   Large LCD display with backlight
4.   For most metals
5.   Based on the Hardness HL value, conversion can be performed to HRB, HRC, HV, HB, HS and Tensile strength
6.   Impact devices D, DC, DL, C, D+15, and G are available for special applications
7.   Test at any angle, even upside down
8.   RS232 output and internal memory in a batch of 1250 average readings
9.   High accuracy ±0.5%
10.  Works on 4 standard AAA batteries
11.  Auto shutdown after 2 minutes
12.  Conforming to ASTM A 956

+Technical Specification

Hardness Parameter 

HL, HRC, HRB, HV, HB,HS 

Measuring Range  

See table below 

Display

128 x 64 LCD with backlight

Display functions D 

Hardness Scale, Hardness Value, average value, impact direction, Max/Min value, Material, battery 

Accuracy 

Within +/- 0.5% (at HLD=800) 

Memory 

1250 group 

Standard Impact device

D

Optional Impact Device

C / D+15 / DC / DL /G

Output 

RS232 

Testable work piece

- 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 Batteries

Operating temperature

-20 ~ +50

Dimensions

108mm×61mm×25mm

Weight

200g


Material

HL

HRC

HRB

HB

HS

HV

ST & Cast ST

300-900

20.0-68.0

38.4-99.5

80-647

32.5-99.5

80-940

CWT Steel

300-840

20.4-67.1

 

 

 

80-898

Stainless

300-800

19.6-62.4

46.5-101.7

85-655

 

85-802

GC Iron

360-650

 

 

90-334

 

 

NC Iron

400-660

 

 

131-367

 

 

Cast Alum.

174-560

 

 

20-159

 

 

Brass

200-550

 

13.5-95.3

40-173

 

 

Bronzes

300-700

 

 

60-290

 

 

Copper

200-690

 

 

45-315

 

 

+Standard Delivery


1.   Main Unit with integrated Impact D
2.   Certified Test block with HLD-value
3.   Software and Cable
4.   Cleaning brush
5.   Small support ring
6.   Calibration Certificate
7.   Leather wrist strap

8.   User manual

9.   Carrying case


+Optional Accessories
Accessories
+Application

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