PTCR 850~1,100¡É, Pale green (OD 20.5 / IN 10¥Õ x 3.5mm)
pk/30
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ETH
PTCR 850~1,100¡É, Pale green (OD 20.5 / IN10¥Õ x 7mm)
pk/15
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LTL
PTCR 970~1,250¡É, Green (OD 20.5 / IN 10¥Õ x 3.5mm)
pk/30
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LTH
PTCR 970~1,250¡É, Green (OD 20.5 / IN 10¥Õ x 7mm)
pk/15
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STL
PTCR 1,130~1,400¡É, Green (OD 20.5 / IN 10¥Õ x 3.5mm)
pk/30
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STH
PTCR 1,130~1,400¡É, Green (OD 20.5 / IN 10¥Õ x 7mm)
pk/15
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MTH
PTCR 1,340~1,520¡É, Ivory (OD 20.5 / IN 10¥Õ x 7mm)
pk/15
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HTH
PTCR 1,450~1,750¡É, White (OD 20.5 / IN 10¥Õ x 7mm)
pk/15
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¡á ¿ëµµ(Applications)
¡á Ư ¡ (Features ) * The PTCR ring is a highly accurate ceramic temperature indicator which records the true heat treatment received by the fired product. * PTCR rings take account of both radiated and transferred heat, as well as the effects of temperature over time. * lt conveniently allows this recorded heat exposure to be expressed as a single number - ring temperature (RT) - which is practical and easy to work with. * PTCR rings can be used in both batch and continuous kilns & furnaces; they are used in a range of atmospheres including oxygen, nitrogen, air and vacuum. * Five different PTCR types are available - standard height is 7.0 mm (3,5 mm also available) - covering a range from 660 to 1,750¡ÆC. * Ring types are identified by color coding and batch and type numbers pressed into the ring. * When exposed to heat in the kiln & furnace, the PTCR ring contracts - and continues contracting as the top temperature is maintained over the time. * The degree of contraction is almost linear over the complete operating range of the PTCR, * providing a practical measure of the accumulated heat to which the ring - and the fired products - have been subjected. * The amount of contraction - the amount by which the ring diameter has shrunk - is measured with a numerical or digital micrometer. * This measurement can be converted to 'ring temperature' for ease of comparison and correlation to the firing process (temperature tables are supplied with the rings).
¡á ±Ô°Ý(Specifications)
PTCR ring dimension: outer diam. 20 mm, inner diam. 10 mm, height 3.5 & 7 mm