Products


Pen Type Hardness Tester
Pen Type Hardness Tester SPEC

Lpad: Smart and Portable.

The H series of Lpad are the portable hardness testing instruments, which integrated the smartest NDT technology and the smallest dimension. The Lpad hardness tester is a revolutionary product that can test most of the metal objects. With the pen type design and innovative D/DL impacting probes, the Lpad H series products provide convenient and reliable experience of testing.                                        

With its small size, impressive design, competitive price, convenient using experience, The Lpad hardness tester can wildly be used in various situations.

 

Measuring range:(170-960)HLD

Precision value for:1

Storage and interface:USB

Continuous working time:200hours

Instrument turnning:0.8kg

The product gross weight:1kg

Product can be colors:blue and red

Appearance size:148mm×40mm×30mm

 

Specification:

Testing direction

Highly accurate in any impact direction

Testing Range

(170-960)HLD(17.9-69.5)HRC(19-683)HB(80-1042)HV(30.6-102.6)HS

(59.1-88)HRA (13.5-101.7)HRB

Hardness Standards

HL、HV、HRA、HRC、HRB、HB、HV、HS

Accuracy

HLD:±0.5% (800HLD)

Repeatability Value

HLD:0.8%   (800HLD)

Resolution

128×64 OLED display

Dimensions

148mm×40mm×30mm

Power Supply

Rechargeable lithium battery

Working Hours

About 10 hours

Working Conditions

Operating temperature: 10-50 c;

Storage temperature: -30 ℃ -60 ℃;

Humidity: 90% max;

Standard Equipped:

The instrument host The nylon brush

Small bearing rings

The ABS instrument

1

1

1

1

Applicable Materials

Steel and cast steel alloy tool steel stainless steel gray cast iron nodular cast iron cast aluminum alloy copper zinc alloys (brass) an alloy of copper and tin copper(bronze)

Application

Bearings and other parts;

Failure analysis of pressure vessel steam turbine generator group and equipment;

Heavy workpieces;

Mechanical or permanent assembly installed;

The test space is very narrow;

The original record of formal requirements on test results;

 

 

Material

Hardness Standard

Impact device

D

DL

Steel and cast steel

HRC

17.9~68.5

20.6~68.2

HRB

59.6~99.6

37.0~99.9

HRA

59.1~85.8

 

HB

127~651

81~646

HV

83~976

80~950

HS

32.2~99.5

30.6~96.8

Steel

HB

143~650

 

CWT、ST

HRC

20.4~67.1

 

HV

80~898

 

Stainless steel

HRB

46.5~101.7

 

HB

85~655

 

HV

85~802

 

GC. IRON

HRC

 

 

HB

93~334

 

HV

 

 

NC、IRON

HRC

 

 

HB

131~387

 

HV

 

 

C.ALUM

HB

19~164

 

HRB

23.8~84.6

 

BRASS

HB

40~173

 

HRB

13.5~95.3

 

BRONZE

HB

60~290

 

COPPER

HB

45~315

 

 

Impact device

D/DL

The impact energy

Impact of body mass

11mJ

5.5g/7.2g

Ball hardness:

Ball diameter:

Material of the ball:

1600HV

3mm

tungsten carbide

Impact device diameter:

Impact device length:

Weight of the device:

20mm

86(147)/ 75mm

50g

The maximum hardness:

940HV

Surface average roughness Ra :

1.6μm

The minimum weight of specimen:

Direct measurement

Stable support

To compact coupling

 

>5kg

2~5kg

0.05~2kg

The minimum thickness of specimen

Dense coupling

The minimum depth of hardened layer

 

5mm

≥0.8mm

Indentation size

The hardness of 300HV

The indentation diameter

0.54mm

24μm

The hardness of 600HV

The indentation diameter

0.54mm

17μm

The hardness of 800HV

The indentation diameter

0.35mm

10μm

Impact device applicable scope

DL measurements on elongated slot or hole;