Irhd Hardness Tester Dealers (17 products available)

First specimen to come in contact, first with the pressure foot and later with the indenting tip under the specified contact load. Further movement of the platform causes the indenting load to act on the test specimen. Penetration of the indenting tip into the test specimen is determined with the help of a dial gauge fitted at the top of the pressure foot assembly. The contact between the dial gauge and the top of the plunger rod is made through an electrical arrangement to ensure that the weight of the stem of the dial gauge does not act on the test specimen. An electric buzzer is provided to slight vibrations to the plunger rod to eliminate friction. The dial gauge gives the depth of indentation in units of 0.01 mm which can be converted into IRHD hardness value.  

• Country of Origin: India
• Brand Name: Ikon Industries
• Color: Blue
• Display Type: Analog
• Driven Type: Hydraulic
• Structure: Vertical
• Operating Type: Manual
• Warranty: 1 Year
• Material: Stainless Steel
• Usage: Hardness Testing
• Accuracy: 0.01 MM

• diameter: 2.50 mm

IRHD or Rubber hardness tester helps to find out the hardness of rubber and its components. Hardness is one of the most significant properties which conclude the aptness of any component. Incorrect hardness may defeat the basic purpose for which the component is designed. Hence, accurate and reliable determination of the hardness is extremely important in the rubber industry. Presto’s IRHD tester is mainly used to evaluate this important property. Owing to the supreme quality, these testers are exported to various international markets.

Presto IRHD Rubber Hardness Tester determines the hardness of rubber and rubber components. Hardness is one of the most important properties which determine the suitability of any rubber component for its intended use. Incorrect hardness of may defeat the basic purpose for which the component is designed. Thus, accurate and reliable determination of the hardness is of extreme importance in rubber industry. The Presto IRHD Rubber Hardness Tester is widely used in the rubber industry to evaluate this important property. The Presto IRHD (International Rubber Hardness Degrees) tester is equipped with a spherical indentor, which indents the sample under a minor and major Load. The differential indentation depth is measured and tabulated to read directly in ‘IRHD’ degrees.

The principal behind determination of hardness by dead load apparatus is based on the measurement of the difference between the depth of indentation of a standard ball in to the rubber under a small contact force and a large indenting force. The Machine is as per IS-3400 (PART-II)1980.

• Range of hardness: 30-85 IRHD.
• Diameter of indenter lip: 2.50 mm.
• Pressure foot: 20mm OD/6mm ID.
• Force on pressure foot: 8.30 N.
• Contact force: 0.30 N.
• Indenting force: 5.40 N.
• Electric supply: 220 Volt AC Single Phase.

IRHD hardness testers (IRHD = International Rubber Hardness Degree) determine the indentation depth of materials, from foams to rigid plastics and rubber.A measure of the indentation resistance of elastomeric or rubber materials based on the depth of penetration of a ball indentor.An initial contact force is applied to an indentor and the penetration is set to zero. The force is increased to a specified total load and the depth of penetration is measured. The IRHD value is related to the depth of indentor penetration. IRHD Hardness Standards : ASTM D1415, DIN 53519 Sheet 2, ISO 48.

• depth: 0.01 mm

Offering a wide range of IRHD Rubber Hardness Tester. First specimen to come in contact, first with the pressure foot and later with the indenting tip under the specified contact load. Further movement of the platform causes the indenting load to act on the test specimen. Penetration of the indenting tip into the test specimen is determined with the help of a dial gauge fitted at the top of the pressure foot assembly. The contact between the dial gauge and the top of the plunger rod is made through an electrical arrangement to ensure that the weight of the stem of the dial gauge does not act on the test specimen. An electric buzzer is provided to slight vibrations to the plunger rod to eliminate friction. The dial gauge gives the depth of indentation in units of 0.01 mm which can be converted into IRHD hardness value.

NAUGRALABS LABORATORY PRODUCT NAME: IRHD HARDNESS TESTER FOR TESTING LAB NaugraLabs Laboratory Product Code: NLE-Export-380002 Description and Specification for Lab Tenders IRHD Hardness Tester For Testing Lab Workshop.  IRHD Hardness Tester - Hardness is one of the most important properties, which determine the suitability of any rubber component for its intended end use. Incorrect hardness may defeat the basic purpose for which the component is designed. Thus accurate and reliable determination of hardness is of extreme importance in rubber field. Amongst the various means for the determination of rubber hardness the most important ones are the Durometer and the IRHD Hardness Tester. While the first uses the principle of indentation of a truncated cone in rubber under varying loads acting through a spring, the second method uses a fixed dead load acting on a hemispherical indenting tip. Whereas the first method suffers from the disadvantage of permanent set getting developed in the spring and thus affecting its accuracy, the second method, being based on dead load principle, is free from this problem.   The  IRHD Hardness Tester is table model equipment suitable for reference testing of hardness of rubber or similar polymers in the laboratory. It consists of a plunger rod carrying a hardened hemispherical tip of the specified diameter at its lower end. The rod is located within a cylindrical guide and is constrained to move inside it. The base of the guide acts as the pressure foot surrounding the point of indentation. Under normal condition the pressure foot extends below the indenting tip, thus preventing it from getting damaged. An indenting load is positioned over the plunger rod without directly acting on it civil lab equipments manufacturers  Rubber Testing Lab equipment manufacturers,exporters and Rubber Testing Lab suppliers

The Digitest II is modular machine which consists of a measuring, pick up bracket, test stand and measuring unit. The Digitest II can be used to check hardness as per various Shore and IRHD scales by interchanging the measuring head. The fully automatic testing cycle removes operator influence on test results. The electronic unit automatically recognizes the measuring head which is attached to pick up bracket. The parameters for that particular hardness scale are automatically set by the machine depending on the standard protocol. The Hysteresis property of a component can be checked using the IRHD Micro hardness measuring head. The machine can be supplied with manual and automatic O ring centring fixtures for the quick centring of O rings in cases where the quantity of O rings to be tested is very high.

The Wallace H14 is a digital, bench mounted hardness tester designed for measuring in IRHD the hardness of standard rubber samples.The robust, "C" frame design allows the operator easy access from front and sides to safely load and remove samples. The indentor mounting is frictionless and its position sensed by on LVDT providing the instrument with outsanding sensitivity. The adjustable anti-vibration feet reduce the effect of external vibration.By simply pressing the start button, the instrument functions automatically allowing accurate, repeatable results to be recorded in much less time than traditional models.As minimal training is required, new operators soon become confident readings from the outset.A range of optional sample tables is available, designed to locate samples of varying shapes and special holding fixtures.Keys on the front panel easily adjust the measuring head up and down to suit the sample height.Once the start key is pressed, the foot descends to secure the sample followed by the indentor, which lowers through the centre of the foot with a primary load of 0.3N to find its datum position. After 5 seconds, in line with the testing standards, the force is increased to 5.7N and applied for a further 30 seconds. At this pont the instrument identifies the indentor position and the hardness value is aujtomatically frozen and displayed clearly on the LCD screen. Two LEDs on the instrument's front panel monitor all stages of the test cycle.  

• High Hardness: 85 to 100 IRHD
• Range of hardness: 30 to 85 IRHD

Used to determine the hardness characteristics of elastomeric materials employing in the rubber. • Table model for testing of hardness of rubber or similar polymers

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