UNIVERSAL HYDRAULICS & PNEUMATICS
Special High Temperature Resistant Elements

Special High Temperature Resistant Elements

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Special High Temperature Resistant Elements

Moderate, High and Full Temperature Specifications

Temperature Range Moderate (M) Range RTDs High (H) Range RTDs Full (F) Range RTDs
Temperature -50 to 250oC (-58 to 482oF) -50 to 500oC (-58 to 932oF) -200 to 500oC (-328 to 932oF)
Element Resistance 100 Ohms at 0oC with tolerances of : 100 Ohms at 0oC with tolerances of : 100 Ohms at 0 oC with tolerances of :
Class A +/-.06% @ 0oC Class A +/-.06% @ 0oC Class A +/-.06% @ 0oC
Class B +/-.12% @ 0oC (DIN to. Only over -50 to 400oC) Class B +/-.12% @ 0oC
Class C +/-.5% @ 0oC Class B +/-.12% @ 0oC  
Temperature Coefficient .0038500 Nominal Temperature Coefficient .0038500 Nominal Temperature Coefficient .0038500 Nominal Temperature Coefficient
Class A: Change in T = +/-(.15oC + 002|t|) Class A: Change in T = +/-(.15oC + 002|t|) Class A: Change in T = +/-(.15oC + 002|t|)
Class B: Change in T = +/-(.30oC + 005|t|) Class B: Change in T = +/-(.30oC + 005|t|) Class B: Change in T = +/-(.30oC + 005|t|)
Class A: Change in T = +/-(1.3oC + 005|t|) Class A: Change in T = +/-(1.3oC + 005|t|) Class A: Change in T = +/-(1.3o°C + 005|t|)
Time Constant Six seconds maximum for 63.2% response to change in temperature per ASTM E644 Four seconds maximum for 63.2% response to change in temperature per ASTM E644 Four seconds maximum for 63.2% response to change in temperature per ASTM E644
Repeatability Less than +/-.06% change in ice point resistance after 10 consecutive cycles between ice point and 250oC Less than +/-.06% change in ice point resistance after 10 consecutive cycles between ice point and 500oC Less than +/-.06% change in ice point resistance after 10 consecutive cycles between ice point and 500oC
Long Term Stability Less than +/- .02% ice point resistance shift after 1000 hours at 250oC Less than +/- .02% ice point resistance shift after 1000 hours at 500oC Less than +/- .02% ice point resistance shift after 1000 hours at 500oC
Self Heating 10 moC in water moving at 3 feet/sec. 10 mW/oC in water moving at 3 feet/sec. 30 mWoC in water moving at 3 feet/sec.
Hysteresis +/-.15% of Span Temperature +/-.15% of Span Temperature .1% of Span Temperature