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Shore Durometer HPSA-R-M

Durometer according to Shore for determining the indentation hardness of cots, pressure rollers, aprons and many other rubber coated rollers, etc. with max. diameter 200 mm.

In dependence to Shore A according DIN 53505, ISO 48-4, ISO 868, ASTM 2240

Durometer with curved working face for accurate measuring

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Special Features


The spring loaded outer ring assures a constant measuring pressure and eliminates false readings due to difference between operators

Working face slightly curved to fit on rollers

Adjustable min./max. indicator marks to highlight working range of the durometer HPSA-R

Shore hardenss tester with memory pointer to capture and store the last or highest reading during measuring

For diameters > 110 mm the standard model HPSA can be used

Optionally available: Calibration certificate with calibration report

Standard Features


High repeatability

Easy to use

Durometer with an application range of 10 – 90 Shore A units

Certificate of Compliance with the order 2.1 according EN 10204 is included

Available Models

ModelApplicationRecommended
Roller Ø		Radius of
Flat surface
HPSA-R20-Mrubber coated rollers and rollers< 40 mm20 mm
HPSA-R35-Mrubber coated rollers and rollers40 – 70 mm35 mm
HPSA-R55-Mrubber coated rollers and rollers70 – 110 mm55 mm
alternative
HPSA-Mrubber coated rollers and rollers> 110 mm18 mm Ømore
Specifications

Shore:Shore A
Indentor:Cone 35°, Ø 1.25 mm
Depth of indentation:0 – 2.5 mm
Applications range:10 – 90 Shore A units
Measuring spring force:0.55 – 8.065 N
Test pressure*:Approx. 12.5 N
Display range:0 – 100 Shore A units
Scale diameter:54 mm
Working face radius:20, 35 oder 55 mm
Base plate:45 mm Ø
Weight, net (gross):Approx. 300 g (500 g)
Dimensions:50 x 58 x 110 mm (LxWxH)

Specifications subject to change without notice!

*Spring load of outer ring to create constant pressure

Operation
For measuring the hardness, the spring-loaded outer ring of the housing is pressed downwards until the edge of the ring meets the collored marking on the housing. This ensures a constant pressure and prevents measuring errors.

General:
The principle used to measure shore hardness is based on measuring the resistance force of the penetration of a pin into the test material under a known spring load. The amount of penetration is converted to hardness reading on a scale with 100 shore units. As the depth of indentation is max. 2.5 mm the test material has to have a minimum thickness of 6 mm. If thickness is less stack some samples till you reach the required thickness.

Important for Spinning-Cots
The correct Shore hardness of rubber rolls, special cots, is a critical factor to get the desired yarn structure and quality. As cots have abrasion or rubber is aging, the shore hardness should be checked from time to time.

Operation with a shore durometer of HPS series

Attachments and Accessories

  1. PSHP - Test Stand

    Prüfstand PHPS für Härteprüfer

    Model PSHP for series measurements
    – Spring loaded lever for fast, precise positioning
    – Height adjustable 0 – 200 mm
    – Stroke lever action 40 mm
    – Dimensions 162 x 100 x 320 mm (LxBxH)
    – Weight net: approx. 2.3 kg
    Various plates are optional available,
    ask for more information !


  2. HP-PR und HP-PT - Test Block

    Prüfblock HP-PT für Härteprüfer mit gekrümmter Auflagefläche

    The test plate is used for testers with a curved surface. It can be tested, if the measuring pointer does a 360° turnaround conforming to an defined penetration.
    Test method:
    Place the tester on the block. Press down the instrument with its housing ( do not use spring – loaded outer shell). The pointer has to do a full turnaround from zero to zero marking. If the result of the verification is positive, the durometer should show correct readings over the complete range.

    For durometers with curved working face
    Order number: HP-PR (Radius 20 mm)
    Order number: HP-PT (Radius 35 and 55 mm)


  3. Calibration Certificate

    Kalibrierbericht für HärteprüferCalibration certificate with calibration report is optional available.


Dimensions

Here you can find the dimensions of durometer HPSA-R for download.
Drawing (PDF)
Delivery Includes

Lieferumfang HPSA-RDurometer HPSA-R with memory pointer and carrying case, Certificate of Compliance with the order 2.1 according EN 10204 free of charge, operating instructions in English or German as requested

Instruction Manual

Download the instruction manual for durometer HPSA-R-M:
Instruction Manual (PDF)

If you want to get a quote or want to place an order please contact us.


+49 (0)8638 9410-0

+49 (0)8638 4825


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