产品描述：

The new Check-Line DD-100 analog durometer 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 DD-100 is the ideal durometer for a wide range of shore hardness measuring applications.
The DD-100 is supplied with a NIST traceable calibration certificate in foam-fitted carrying case.
 

技术参数：

Can be used in any measurement orientation as gravity does not affect readings
High and low buttons for setting tolerance limits
18 mm diameter footer provides stable basis for testing and conforms to all International Standards
Solid state circuitry with LCD display
One year warranty
  Holds Peak reading until reset
0.1 Unit Resolution
Supplied in custom fit carrying case with AC-Adapter
Includes NIST-Traceable Calibration Certificate
Conforms to ASTM D-2240, DIN 53505, ISO 868 & ISO 7619

Resolution 0.1 Units 
LCD Size 8 mm 
Dimensions 128 x 57 x 36 mm 
Weight 235 grams (8.4 oz.) 
Power Supply (2) 3V CR-2450 Batteries
AC Adapter Optional  
Warranty 1 year 
* Note per ASTM D 2240-05, Sect 9.3: It is accepted that durometer readings below 20 or above 90 are not considered reliable. It is suggested that readings in these ranges be omitted. 

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