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Potable Hardness Tester DH-200
Easy to read menu operation;Large LCD display with backlight;For most metals;Based on the Hardness HL value, conversion can be performed to HRB, HRC, HV, HB, HS and Tensile strength.
Potable Hardness Tester DH-200


FEATURES


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Impact  type hardness tester

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Build in Mini-printer.

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320 x 240 LCD display with  backlight

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For most metals

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

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

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Test at any angle, even upside down

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Lower and upper limits setting with  low-high display judge

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High accuracy ±0.5%

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USB output for both recharging and  data transfer to PC

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Extended memory in 1750 dates

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Works on 4 AA rechargeable  batteries with working 48 hours continuously

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Auto shutdown after 2 minutes

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Conforming to ASTM A 956



Specification


Hardness Parameter 
HL, HRC, HRB, HV, HB,HS 
Measuring Range
See table below 
Display
320 x 240 LCD with backlight
Display functions D 
Hardness Scale, Hardness Value, average value, impact direction, Max/Minvalue, Material, battery life, date, instruction
Accuracy
Within +/- 0.5% (at HLD=800) 
Memory 
1750 group 
Standard Impact device
D
Optional Impact Device
C / D+15 / DC / DL /G
Output 
USB
Testable work piece-

Thickness coupled:  Minimum 3 mm or more (Except with Impact device G:10mm)


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Mass: 5kg or more  (2-5kgon solid support ,﹤2kgwith couplant paste)


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Surface roughness: Ra 10


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Radius (convex/concave): Rmin=30mm or more (﹤30mmwith support ring )


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Test Points: 5mm or more from the edge of the sample,

3mm or more to each of thetested points.

Battery type
4 x 1.25v rechargeable battery
Operating temperature
-20℃ ~ +50℃
Dimensions
215mm×140mm×45mm
Weight
700g



Range reference

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


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Main unit with Impact device D

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Build-in printer

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Test block with HLD value

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Software and USB cable

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AC adapter/charger

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Small supporting ring 

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Calibration certificate

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Cleaning brush

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Carrying case

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User manual


Optional fittings

 

Probe Impact body

Hardness BlockSupport Rings

Connect cable







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