PRODUCTS

Adress: R.108, Building 38, Baiwang Jasmine Garden Haidian District, Beijing, 100094 China
Zip code: 100094
Email: [email protected]
Tel: 0086-10-62335745, 82404961, 82403647, 51659992
Fax: 0086-10-62314006

DHT-300Plus/310Plus
-Features

福建体彩超级大乐透走势图 www.vywuzs.com.cn 1.  Pocket size, easy to operate
2.  High contrast OLED display 
3.  High accuracy +/- 4HL (0.5% at 800HL)
4.  Conveniently exchange between impact device D and DL
5.  Automatic orientation correction
6.  Work with Mini-printer thru Bluetooth (DHT-310 series)
7.  For most metals
8.  Based on the hardness HL value, conversion can be performed toHRB, HRC, HV, HB and HS
9.  USB interface for both recharging and data transfer to PC with software free
10. Internal memory in a batch of 1250 average readings

11. Lower and upper limits setting with low-High display judge
12. Works on 3.7V rechargeable lithium-battery with working more than 16 hourscontinuously
13. Auto shutdown after 5 minutes
14. Conforming to ASTM A 956

15. Multi-languages

16. Multi-hardness standards

+Technical Specification

Hardness Parameter 

HL, HRC, HRB, HV, HB,HS 

Measuring Range  

See table 1

Display

112 x 64 OLED

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

DL / C

Output 

USB 

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

3.7 V rechargeable lithium-battery

Operating temperature

-20 ~ +50

Dimensions

158 x 41 x 26 mm

Weight

120g


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, Cor DL
2.  Certified Test block with HLD-value
3.  Software and Cable
4.  Cleaning brush
5.  Small supporting ring
6.  Calibration Certificate
7.  AC adapter / charger
8.  Bluetooth Printer (DHT-310 series)
9.  User manual

10. Carrying case

+Optional Accessories
+Application

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