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Asker C Scale Durometers
PTC® Asker® C Digital Pencil Durometer 611
611 Asker C Digital Durometer
PTC® Instruments Asker® C Digital Pencil Durometer
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PTC® Asker C Scale Digital Pencil Durometer
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Asker C Durometers meet JIS K7312 and measures the indentation hardness of soft rubber, sponge, plastic foam, elastomers, and similar materials.
The Pencil Style Digital Durometers with a 1/2" diameter base (1.3cm) and overall length will allow the durometer to be used in confined or hard to reach areas with 0.1 reading resolution. A knurled surface gives a more secure grip when making hand held readings.
All Digital Durometers come complete with Electronic Max Hold feature, Test Block, Carrying Case and a NIST traceable certification.
PTC Metrology™ is accredited by A2LA for durometer calibration to ISO/IEC 17025 & ANSI/NCSL Z540-1. NIST traceable certification is available for all durometer types covered by current ASTM D2240, ASTM F1957, ISO 868, ISO 7619, and DIN 53505 Standards.
The Calibration Report will include both "as received" and "as left" data. Complete durometer calibration includes: indenter geometry and extension, indicator linearity, and force curve.
Other durometer types, custom models, and durometers of any manufacture can also be certified by PTC Metrology™.
Accuracy of ±1 Point
1/2" Diameter Base
Max Hold Pointer Standard
Easy to Read 0 to 100 Point Dial
Accessory Test Stands Available
NIST/A2LA to ISO 17025 Certification Included
Includes Precision Aluminum Test Block
Meets or exceeds current ASTM D2240 Specs
Range (Type A) 0-100 points
Accuracy ± 1 point
Height 5.3" (13.2cm)
Width 2¼ " (5.7cm)
Depth 1.5" (1.3cm)
Base Diameter 0.5 in. (3.2 cm).
Shipping Weight 4 lb (1.8kg)
Note: For instructions on Model 611, see Operating Manual included with instrument.
For a complete calibration check of mainspring, and visual and mechanical check of indenter, the instrument should be returned to PTC® (see Guarantee &Calibration Service). PTC® recommends the unit be returned at least every 12 months for this check. For a quick field check, follow the guideline below. Under no circumstance should a test block be used as a standard to calibrate a durometer.
1. The pointer should read zero when no force is applied to the indenter of the durometer.
2. Hand hold the durometer and insert the indenter into the hole of the calibrated test block. Apply enough force to make firm contact between the top surface of the test block and the presser foot. The dial reading should agree with the value stamped on the check block (±1). Several tests should be made and the results averaged.
3. The indenter must protrude 0.098 to 0.100 inches below the presser foot.
4. When the indenter is fully displaced, the durometer should read 100 points. Use care as to not damage the tip of the indenter.
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