Durometer Testers

AD-100 Durometer Tester

The  AD-100 durometer tester is the genesis of years of experience offering high-quality Durometers to discriminating users. Featuring an 18mm footer that offers high stability and conforms to all international standards, the AD-100 is the ideal durometer for a wide range of shore hardness measuring applications.

Models Available 

Shore A, Shore B, Shore C, Shore D, Shore DO, Shore O, Shore OO, and Asker C.
Conforms to: ASTM D-2240, DIN 53505, ISO 868, JIS K 7215 & ISO 7619. Asker C model conforms to JIS K-7312.

AD-100-D has been assigned NSN# 6635-01-672-7759

The AD-100 displays hardness readings on an easy-to-read analog scale calibrated in 0 to 100 Shore units. An optional MEMORY POINTER holds reading until manually reset, allowing the operator to concentrate on measurement tasks. Also valuable if used in a position where the dial is obstructed.

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  • Includes NIST-Traceable Calibration Certificate.
  • Supplied with reference test block.
  • 1-Year Warranty.
  • Conforms to ASTM D-2240, DIN 53505, ISO 868, JIS K 7215 and ISO 7619. Asker C model conforms to JIS K-7312.
  • 18 mm diameter footer provides stable basis for testing and conforms to all International Standards.
  • Can be used in any measurement orientation as gravity does not affect readings.
  • Optional Memory Pointer Holds highest reading (not available on OO and OOO models).


Measuring Range 0 - 100 units
Accuracy ±1 durometer unit (A,B,C,D,O,DO & Asker C) / ±2 durometer units (OO)
Tolerance ± 0.5 at "100" and -0 +1 at "0"
Dial Size 50 mm Diameter
Dimensions 128 x 57 x30 mm
Weight 200 grams (7 ounces)
Mounting Thread 5/16-40
Warranty 1 year

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