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Digital Double Rockwell Hardness Tester With Surface Rockwell And Rockwell Hardness Scale

Initial test force: 3 / 10kgf; Main test force: 15 / 30 / 45 / 60 / 100 / 150kgf;
Rockwell hardness scale and surface Rockwell hardness scale;
Touch screen control with menu structure, very easier operation.
With hardness conversion function, on screen can display Vickers hardness value HV, Brinell hardness value HBW, Knoop hardness value HK, Superficial Rockwell hardness value HR15T, etc.
Availability:
  • eRSR-150T

  • EBP INSTRUMENTS

  • Shanghai / Shenzhen / Ningbo

  • 150 sets per month

  • TT in advance

  • 1 set

eRSR-150T digital touch screen twin Rockwell hardness tester has high level automation, stable and reliable performance, it is equipped with sophisticated sensors so that can test data more accurate ; Large touch screen provide comprehensive data for quality control.


Features:

1. The color touch screen will display hardness value, conversion value, test force, dwell time, indenter info. etc directly, indicator responses sensitively, show the hardness value accurately, the test value is more accurate than national standard;

2. Automatic loading - dwell - unloading test force, easy operate

3. Support English & Chinese language, menu structure

4. Built-in printer can print test result directly

5. One-time casted molding shell, stable structure and it is not easy to be out of shape. It can work under harsh environment; the shell coating adopted car paint technology with white color. it has strong scratch resistance capability and still look bright as new after use many years;

6. The screw rod adopts the fine grinding process, which ensures that the machine can be lifted smoothly and without eccentricity, make test accuracy more higher and stable.


Application Fields:

Suitable for quenched steel, tempered steel, annealed steel, cold and hard casting, malleable cast iron, hard alloy steel, aluminum alloy, copper alloy, bearing steel etc. Also suitable for surface quenched steel, surface heat treating and chemical treating materials, sheet, zinc layers, chrome layers, tin layers etc.


Technical parameters:

Model

eRSR-150T

Rockwell scale

HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV

HR15N, HR30N, HR45N, HR15T, HR30T, HR45T

Conversion scale

HRA, HRB, HRC, HRD, HRF, HV, HK, HBW, H15N, H30N, H45N, H15T, H30T, H45T

Preliminary test force

3kgf (29.4N) for superficial Rockwell

10kgf (98N) for Rockwell

Total test force

15kgf (147.1N) 30kgf (294.2N) 45kgf (441.3N)

60kgf (588.4N) 100kgf (980.7N) 150kgf (1471N)

Indication Resolution

0.1HR

Hardness value range

HRA: 20-96, HRB:20-100, HRC:20-70, HRD:40-77, HRE:70-100, HRF:60-100, HRG:30-94, HRH:80-100, HRK:40-100, HRL:50-115, HRM:50-115, HRR:50-115

HR15N:70-94, HR30N:42-86, HR45N:20-77,

HR15T:67-93, HR30T:29-82, HR45T:10-72

Hardness data read

Color touch screen

Loading method

Automatic (Load, Dwell, Unload)

Dwell time

1-99S, each step 1 second

Data output

Built-in printer, RS232 port

Test space

Maximum height: 200mm; Maximum throat depth:160mm

Machine Size / N.W

520X240x720mm (L×W×H); 85kg


Package Size / G.W

600*365*900mm; 100kg


Executive standard

GB/T230.2 , BSEN 6508, ASTM E18 , ISO 6508 , JJG112



Standard Accessory:

Name

Q’ty

Name

Q’ty

Diamond indenter

1

1.5875mm diameter hard alloy steel ball indenter

1

Standard hardness block

6

Large testing table

1

Medium testing table

1

V-shaped testing table

1

Dust-proof cover:

1

Accessory case

1

Manual Book

1

Certificate

1


Hardness scale, force, Indenter relation of Rockwell scales:

Scale

Indenter

Preliminary test force (N)

Total test force (N)

Applications

A

Diamond indenter

coning angle 120°0.2mm radius  of top sphere  

98

588

Horniness alloy, cementite steel

D

980

Thin steel, quenched case

C

1471

Quenched steel, thermal refined steel, cast steel

F

Diameter of steel ball

1.588mm

(1/16 inch)

588

Anneal copper alloy, thin soft steel

B

980

Soft steel, aluminum alloy, copper alloy, casting

G

1471

Pearliest iron, copper, nickel, zinc, nickel alloy

H

Diameter of steel ball

3.175mm (1/8 inch)

588

annealed copper alloy

E

980

Aluminum and aluminum alloy

K

1471

Non-ferrous metals, hard plastics

L

Ball Indenter φ6.35mm (1/4 inch)


588.4

Hard plastics, hard rubbers, aluminum, tin, copper, mild steel, synthetic resin and friction materials.

M


980.7

P


1471

R

Ball Indenter φ12.7mm (1/2 inch)


588.4

S


980.7

V


1471


Hardness scale, force, Indenter relation of Superficial Rockwell scales:

Scale

Indenter

Preliminary test force (N)

Total test force (N)

Applications

15N

Diamond Indenter

29.42 N

(3kg)

147.1(15)

Hard alloy steel, nitride steel, carburized steel, various heavy steel plate, etc

30N

294.2(30)

Surface-quenched steel, carburized steel, knife, thin steel plate, etc

45N

441.3(45)

Quenched steel, tempered steel, hard cast iron and edge of parts, etc

15T

Ball Indenter

φ1.5875mm

(1/16 inch)

147.1(15)

Annealed copper alloy, mild steel sheet,  brass、bronze plate, etc

30T

294.2(30)

Mild steel sheet, aluminum alloy, copper alloy, brass and bronze, malleable cast iron

45T

441.3(45)

Pearlite iron, copper -nickel alloy and zinc-nickel alloy plate, etc


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