Digital rubber hardness tester DD5-D type 

Type D durometer for general rubber (Hard hardness).It has been widely adopted in domestic and international standards, including JIS K 6253-3, JIS K 7215, ISO 48-4, and ASTM D 2240, and is now the mainstream method for measuring the hardness of various rubber products. Hardness data can be output externally using the peak hold and timer hold functions. Furthermore, by combining it with the motor-driven constant pressure load tester CLE-150 series, more precise and highly reproducible hardness measurements can be achieved.

       

 Specification

Standards
  • JIS K 6253-3
  • JIS K 7215
  • ASTM D 2240
  • ISO 48-4
Needle shape mm
Height 2.50 35 ํ cone trapzoid End face  Φ 0.79
Minimum indication
1 point (Accuracy : ±1 point)
Indentor Design (mm)
Height: 2.50 35°Angle Flat Cone Point 0.79 Dia.
Spring Forces [mN(g)]
0 point: 0(0)
100 point: 44500(4538)

minimum Reading 

0.1 points

Central hole of diameter of Pressure surface (mm)
Φ3 
Pressure surface Dimension (mm)
       Φ18
External Dimension (mm)
    Approx. Width 73 xDepth 28.5 x Height 117.5

Measurement Mode

1. Peack hold mode (maximum value reading measurement)

2. Timer hold mode (can be set between 1 and 15 secound in 1 secound increments)

3. Normal mode (normal mearsurement)

External Output
   USB connection / Rs232C conection *Selectable
Powersupply
   AC adapter (100-240V)
Weight (g)
   Approx. 300
Application
   Hard rubber and plastic

External dimensions (mm)

External dimensions (mm)

Features ASKER DD5 TYPE A

■ Indenter

The shape of the indenter is a truncated cone with a height of 2.50 mm.

■ Minimum reading value

The minimum reading is 0.1 points.

■Peak holding function

The peak hold function makes it easy to read the maximum value, and is particularly useful for accurately measuring the hardness of samples where stress relaxation occurs (the reading drops immediately after pressure is applied).

■ Timer holding function

The timer hold function allows you to hold the measured value for any time between 1 and 15 seconds.
Peak hold value and timer hold value can be obtained simultaneously with one measurement.

■ Interface box

Communication with external devices such as PCs is possible by connecting via USB or RS-232C. *Selectable

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