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OOO & OOO-S Durometers
> PTC® Classic Durometer 'ASTM OOO' Model 412
OOO Scale Classic Durometer
PTC® Classic Durometer 'ASTM OOO' Model 412
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Made in the USA
Compatible Test Stands
The PTC® Classic Style Type OOO Durometer comes complete with test block and carrying case. This instrument is designed to be used handheld or with PTC's Deadweight Test Stand model 470.
Shore OOO Scale measures the hardness of very soft materials, suit foams, sponge rubber, open and closed cells, human & animal tissue.
Specifications Durometer 412
Max Hold Pointer Standard
Easy to Read 0 to 100 Point Dial
Accessory Test Stands Available
NIST/A2LA to ISO 17025 Certification Available
Includes Precision Aluminum Test Block
Meets or exceeds current ASTM D2240 Specs
Range (Type OOO) 0-100 points
Accuracy of ±1 Point
Height 4 in. (10.2 cm)
Width 2-1/4 in. (5.7 cm)
Depth 1-3/4 in. (4.4 cm)
Weight 8 oz. (227 g)
Shipping Weight 3lb (1.4kg)
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) or refer to ASTM D2240 Specifications. 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 base of the durometer. 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 base of the durometer.
4. When the indenter is fully displaced, the durometer should read 100 points. Use care as to not damage the tip of the indenter.
470 Deadweight Test Stand
Durometer Certification to ISO 17025
PTC® Durometer 'Shore OOO-S Scale' Model 303
5000 Series Digital Durometer with Timer
Ships in 5 to 7 Days A2LA to ISO 17025 Certified
Aluminum Test Block ASTM Type OOO
PTC® Durometer Deadweight Test Stand OO | OOO Model 470
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