Shore Durometer PHPSO

Durometer according to Shore for determining the indentation hardness of soft elastomers, soft elastic materials, medium fast textiles
Shore O hardness tester according ASTM D 2240

Durometer for measurement with limited access space

Special Features

  • Hardness tester with long thin shaft for measurement with limited access space
  • Constant pressure indicating system assures uniform test pressure elimination false reading due to differences between operators
  • Measuring face 18 mm
  • Adjustable Min./Max. indicator marks to highlight working range of the durometer
  • Optionally available: Calibration certificate with calibration report

Standard Features

  • Easy to use
  • High repeatability
  • Application range 20 - 80 Shore O units
  • Certificate of Compliance with the order 2.1 according EN 10204 is included


For measuring the hardness, the spring-loaded outer ring of the housing is pressed downwards until the edge of the ring meets the colored marking on the housing. This ensures a constant pressure and prevents measuring errors.
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 testmaterial has to have a minimum thickness of 6 mm. If thickness is less stack some samples til you reach the required thickness.
Operation hardness tester PHPSO

Available Models

PHPSOShore Osoft elastomers, soft elastic materials, medium fast textiles
PHPSAShore Asoft rubber, elastomers, natural rubber, soft PVC, leather, etc.more
PHPSBShore Bfor harder material than Shore Amore

Attachment and Accessories

Memory pointer Code M

Memory pointer to capture and store value
(last or highest reading) during measuring.
Order code: e. g. HPSA-M

Control Ring 

To determine the displacement at 20 Shore
Order number: HP-P20

Click picture for more information

Control Rings

To determine the displacement at 20, 40, 60 and 80 Shore.
Includes a base disk as basis and an inspection certificate.
Order number: HP-P20-100

Click picture for more information

Calibration Certificate

Calibration certificate with calibration report is optional available.

Delivery Includes

scope of delivery shore durometer PHPSO: Hardness tester with carrying case, Certificate of Compliance with the order 2.1 according EN 10204 free of charge, operating instructions in english or german as requested


Dimensions For PDF-file please
cklick picture


U-grooved 3/32'' 
Depth of indentation:0 - 2.5 mm
Area of application:Soft elastomers, soft elastic materials, medium fast textiles
Accuracy: 1 hardness unit
Application range:20 - 80 Shore O units
Standard:ASTM D 2240
Measuring spring force:0.55 - 8.065 N
Test pressure:Approx. 12.5 N
Display range:0 - 100 Shore O units
Scale diameter:54 mm
Working base:18 mm
Weight net (gross):Approx. 260 g (ca. 500 g)
Dimensions:30 x 58 x 170 (LxWxH)

Specifications subject to change without notice!
*Spring load of outer ring to create constant pressure



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