描述
Applicable Fields:
Surface coating, steel, non-ferrous metal, ceramics, alloys, etc;
Heat treatment, carbonization,hardening layer, nitriding layer;
Small and thin parts, etc.
Hardness test such as on the depth and gradient of the carbonized layers and quenched hardened layers.
Main Features:
Back-light brightness is adjustable in 20 levels
With high-definition optical system
Diagonal length D1 and D2 encoders input to reduce manual reading error
The objective lens and the pressure head can automatically switch and locate accurately
Test results and data processing can be output by printer.
4-inch large LCD screen with menu structure
Test process is automatic and easy to operate
Easy for hardness scales conversion
Technical Specifications:
Model
NG-HVD5
NG-HVD10
NG-HVD30
NG-HVD50
Test force
0.3Kgf (2.94N) 、 0.5Kgf(4.9N) 、
1Kgf (9.8N) 、
2Kgf (19.6N) 、
3Kgf(29.4N)、
5Kgf (49N)
0.3Kgf (2.94N)、0.5Kgf(4.9N)、
1Kgf (9.8N)、3Kgf(29.4N)、
5Kgf(49N)、
10Kgf (98N)
1Kgf (9.8N)、3Kgf(29.4N)、
5Kgf (49N)、
10Kgf (98N)、
20Kgf (196N)、
30Kgf (294N)
1Kgf (9.8N)、
5Kgf (49N)、
10Kgf (98N)、
20Kgf (196N)、30Kgf(294N)、
50Kgf (490N)
Min measuring unit
0.125µm (with objective lens)
Max height of specimen
165mm
Distance of
Indenter to outer wall
130mm
Measuring Range
8-2900HV
Conversion Scale
Rockwell,Superficial Rockwell, Brinell
Indication of
Hardness Value
LCD screen display
Test microscope magnification
200X(Measuring)，100X（observation）
Data output
Inside Printer
Load control (force applied)
Automatic（Loading, Dwell, Unloading）
Carried Standard
GB/T4340.2 Chinese Standard, JJG151 Inspection Rule
Power supply
AC220V+5%,50-60Hz
Standard Accessories:
Item
Quantity
Item
Quantity
Objective 10x
1
Digital display eyepiece 10X
1
Objective 20x
1
Vickers hardness block (HV5)
1
HV Indenter
1
Micro hardness block (HV5)
1
Weight
3
Spare Fuse (2A)
2
V shape testing table
1
Printer paper
1
Big testing table
1
12V20W lamp
1
Small testing table
1
CCD contact pipe
1
Spirit level
1
CCD joint cap (with 3 screws)
1
Phillips screwdriver
1
Operation Manual
1
Inner hexagon spanner
1
Dust cover
1
Horizontal adjusting screw
4
Power cable
1
