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SF-TOPI high-precision Leeb hardness tester

NegotiableUpdate on 05/11
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Overview

The SF-TOPI high-precision Leeb hardness tester features ultra long standby, dual hardness display, and random printing designed based on the Leeb hardness principle. The standard configuration uses a D-type high-precision impact device, and the SF-TOPI high-precision Leeb hardness tester can perform high-precision testing on various metal materials; Design basis standard: Technical Conditions for Leeb Hardness Tester JB/T 9378-2001. The SF-TOPI model high-precision Leeb hardness tester complies with international standards and the "Leeb Hardness Tester Technical Conditions ZBN7l 010-90" issued by the Ministry of Machinery Industry, the "Metal Leeb Hardness Test Method GB/T 17394-199" issued by the Quality and Technical Supervision Bureau, and meets Leeb Hardness Tester standards such as JB/T9378-2001 and ASTM A956 in the United States.

Product Details

SF-TOPI high-precision Leeb hardness tester


manyFunction - Beautiful appearance, color screen display, long standby time, dual hardness display, random printing ...

Product Introduction

The SF-TOPI high-precision Leeb hardness tester is designed based on the Leeb hardness principle, and the standard configuration uses a D-type high-precision impact device, which can perform high-precision testing on various metal materials; Design basis standard: Technical Conditions for Leeb Hardness Tester JB/T 9378-2001. Compliant with international standards and the "Technical Conditions for Leeb Hardness Tester ZBN7l 010-90" issued by the Ministry of Machinery Industry, the "Metallic Leeb Hardness Test Method GB/T 17394-199" issued by the Quality and Technical Supervision Bureau, and the Leeb Hardness Tester Standard JB/T9378-2001, American ASTM A956 and other standards.

Measuring materials: Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile iron, cast aluminum alloy, copper zinc alloy (brass), copper tin alloy (bronze), pure copperforged steelAnd hardness measurement of custom materials.

Unique features:

Compatible with domestic market/Foreign conversion table, dual system operation between Chinese and English, more accurate Brinell measurement.

Dual hardness display, true color TFT LCD screen, vivid and rich WINDOWS interface content, clear and intuitive information, real-time random printing, and editable operator information.

Main purpose:

The machining industry is particularly suitable for on-site hardness testing of large components and non removable parts

● Hardness of installed mechanical or sexual assembly components

● Mold cavity hardness

● Hardness of heavy-duty workpieces

Failure analysis of pressure vessels, steam turbine generators and their equipment

Workpiece hardness with a very small experimental space

● Hardness of bearings and other components

Material differentiation in metal material warehouses

Rapid inspection of multiple measurement points on a large scale of large workpieces


Features

LCD screen dual display:Can simultaneously display the corresponding hardness values of Leeb and other standards;

Plug and play probe:Can manually set and automatically recognize the impact device function, convenient for use in special situations (such as 2-wire probes);

Built in large capacity lithium-ion rechargeable batteryAnd charging control circuitCan work continuously for no less than 150 hours; It has energy-saving functions such as automatic sleep mode and automatic shutdown; Leeb and other hardness can be displayed simultaneously

Convenient switching of all hardness standards (HL, HB, HRB, HRC, HRA, HV, HS), parallel conversion of various hardness measurement values;

large screen(320×240)true colorTFT LCD display screen, with vivid and rich content, clear and intuitive information;

WOINDOWS interface styleFull Chinese display, user-friendly menu style operation, simple and convenient; The LCD brightness can be adjusted freely, making it convenient to use in dimly lit environments; WINDOWS interface operation is more intuitive

Add "Steel" materialWhen using a D/DC impact device to test "forged steel" specimens, the HB value can be directly read without the need for manual table lookup.

A host can be equipped with D, DL, G, C, DC, E, D+15 impact devices, which can automatically identify the type of impact device in real-time. No need to recalibrate when replacing;

Large capacity data storage:Can store large600 sets(Impact frequency 32-1) Hardness measurement data, including single measurement value, average value, measurement date, impact direction, frequency, material, hardness system and other information;

Pre set upper and lower limits, as well as over limit alarms, to facilitate batch testing by users;

Streamlined shellCompact, portable, highly reliable, suitable for harsh operating environments, resistant to vibration, impact, and electromagnetic interference;

Reasonable support structure design, convenient for on-site operation and printing;

The integrated design of the host and thermal printer ensures quiet operation, fast printing speed, and on-site printing of inspection reports;

Remaining battery indicator icon, charging process indicator, allowing you to check the charging level at any time;

It can be equipped with powerful microcomputer software, which has rich functions such as transmitting measurement results, storing and managing measurement values, statistical analysis of measurement values, printing measurement reports, etc., to meet the higher requirements of quality assurance activities and management;

The hardness measurement of special materials can be calibrated and tested using user materials.

Technical parameters of SF-TOPI high-precision Leeb hardness tester

measurement range

(170-960)HLD,(19-651)HB,(13.5-101.7)HRB,(17.9-69.5)HRC,(59.1-88)HRA,(80-1042)HV,(30.6~102.6)HS

Customizable measurement range for customers

Measurement direction

Any (360 °)

Applicable Materials

Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile iron, cast aluminum alloy, copper zinc alloy (brass), copper tin alloy (bronze), pure copperforged steel

Indication error and indication repeatability

D-type impact device ± 6HLD (indication error) ± 6HLD (indication repeatability)

Hardness scale

Shore (HS), Leeb (HL), Brinell (HB), Rockwell (HRC, HRB, HRA), Vickers (HV), tensile strength σb8 types including (MPa)

Display accuracy: 1HL, 1HV, 1HB, 0.1HRB, 0.1HRC, 0.1HRA, 0.1HS

Range of upper and lower limit settings

(170-960)HLD

indication calibration

Equipped with indication software calibration function

data storage

600 sets of measurement values

data interface

USB 2.0

Working Voltage

7.4V lithium battery pack

Operating Temperature

-10℃~+55℃

Stable storage

-20℃~+75℃

Overall dimensions

210 × 85 × 45mm (host)

weight

0.6Kg

Standard Configuration

1

Hardness tester host

1 unit

2

D-type impact device

1 unit

3

Standard Leeb hardness block

1 piece

4

Nylon brush A, screwdriver

1 piece

5

Small support ring

1 piece

6

printing paper

1 roll

7

Communication cables, chargers

1 piece

8

Data processing software CD

1 sheet

Instruction Manual

1 book

Certificate of conformity, warranty card

1 sheet

9

ABS instrument special box

1 piece


SF-TOPI high-precision Leeb hardness tester Table 1:

material

Hardness system

Impact device

D/DC

D+15

C

G

E

DL

Steel and cast steel

Steel and cast steel

HRC

17.9~68.5

19.3~67.9

20.0~69.5

22.4~70.7

20.6~68.2

HRB

59.6~99.6

47.7~99.9

37.0~99.9

HRA

59.1~85.8

61.7~88.0

HB

127~651

80~638

80~683

90~646

83~663

81~646

HV

83~976

80~937

80~996

84~1042

80~950

HS

30.1~110.1

33.3~99.3

31.8~102.1

35.8~102.6

30.6~96.8

Steel

forged steel

HB

143~650

CWT、ST

Alloy tool steel

HRC

20.4~67.1

19.8~68.2

20.7~68.2

22.6~70.2

HV

80~898

80~935

100~941

82~1009

HRA

60.7~92.6

HB

232~625

Stainless steel

stainless steel

HRB

46.5~101.7

HB

85~655

HV

85~802

GC. IRON

gray cast iron

HRC

HB

93~334

92~326

HV

NC、IRON

ductile cast iron

HRC

HB

131~387

127~364

HV

C.ALUM

cast aluminum alloy

HB

19~164

23~210

32~168

HRB

23.8~84.6

22.7~85.0

23.8~85.5

HV

83.2~648.2

BRASS

copper-zinc alloy

(Brass)

HB

40~173

HRB

13.5~95.3

BRONZE

copper-tin alloy

(Bronze)

HB

60~290

COPPER

pure copper

HB

45~315


SF-TOPI high-precision Leeb hardness tester Table 2:

Irregular impact device

DCD/DL

D+15

C

G

E (to be imported)

impact energy

Impact mass

11mJ

5.5g/7.2g

11mJ

7.8g

2.7mJ

3.0g

90mJ

20.0g

11mJ

5.5g

Ball head hardness:

Ball head diameter:

Ball head material:

1600HV

3mm

tungsten carbide

1600HV

3mm

tungsten carbide

1600HV

3mm

tungsten carbide

1600HV

5mm

tungsten carbide

5000HV

3mm

diamond

Diameter of impact device:

Length of impact device:

Weight of impact device:

20mm

86(147)/ 75mm

50g

20mm

162mm

80g

20mm

141mm

75g

30mm

254mm

250g

20mm

155mm

80g

Test piece with high hardness

940HV

940HV

1000HV

650HB

1200HV

Average surface of test piece

Roughness Ra:

1.6μm

1.6μm

0.4μm

6.3μm

1.6μm

Small weight of test piece:

Directly measurable

Stable support is required

Need for dense coupling

>5kg

2~5kg

0.05~2kg

>5kg

2~5kg

0.05~2kg

>1.5kg

0.5~1.5kg

0.02~0.5kg

>15kg

5~15kg

0.5~5kg

>5kg

2~5kg

0.05~2kg

Small thickness of test piece

Dense coupling

Small depth of hardened layer

5mm

≥0.8mm

5mm

≥0.8mm

1mm

≥0.2mm

10mm

≥1.2mm

5mm

≥0.8mm

Ball indentation size

When the hardness is 300HV

indentation diameter

indentation depth

0.54mm

24μm

0.54mm

24μm

0.38mm

12μm

1.03mm

53μm

0.54mm

24μm

When the hardness is 600HV

indentation diameter

indentation depth

0.54mm

17μm

0.54mm

17μm

0.32mm

8μm

0.90mm

41μm

0.54mm

17μm

When the hardness is 800HV

indentation diameter

indentation depth

0.35mm

10μm

0.35mm

10μm

0.35mm

7μm

--

--

0.35mm

10μm

Scope of application of impact device

DCType measuring hole or cylindrical tube;

DLMeasuring slender narrow slots or holes;

DType used for routine measurement

D+15The contact surface is small and elongated, suitable for measuring grooves or concave surfaces

CLow impact force, minimal damage to the tested surface, no damage to the hardened layer, suitable for measuring small lightweight components and surface hardened layers.

GMeasurement of large, heavy, and rough surface castings and forgings.

EMeasuring materials with extremely high hardness