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THERMISTORS |
| Precision Thermistors. Stable and Accurate | |
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| Precision Interchangeable Epoxy Thermistors YSI thermistors provide highly accurate and stable temperature sensing for applications of temperature measurement, control, indication and compensation. typical uses include precise measurements without the necessity of individual circuit calibration and with the advantage of precision interchangeability of sensors. Precise cold junction compensation of thermocouples may be designed directly without "bread boarding" after mathematically deriving the circuit because of the superior interchangeability of YSI precision thermistors. Two interchangeability tolerances and two thermistor configurations are offered. Teflon encased thermistors allow exposure to hostile environment such as conductive or corrosive liquids and particulate suspensions. A stiff wire placed in the tube also allows the thermistor leads to be formed to various shapes with slight finger pressure. Time Constant The time required for a thermistor to indicate 63% of a newly impressed temperature is the time constant. For a thermistor suspended by its leads in a well-stirred oil bath it is 1 sec. max. for standard thermistor and 2.5 sec. max. for teflon encased thermistors. In still air it is 10 sec. max. for standard thermistors and 25 sec. max. for Teflon encased thermistors. Dissipation Constant The power in mW required to raise a thermistor 1°C above surrounding temperature is the dissipation constant. For all thermistors suspended by their leads in a well stirred oil bath it is 8mW/°C min. or 1mW/°C in still air. Interchangeability See Table = +/- 0.1°C Tolerance from 0 to 70°C = +/- 0.2°C Tolerance from 0 to 70°C Stability YSI thermistors are chemically stable and not significantly affected by aging or exposure to strong nuclear radiation. The table shows typical thermoelectric drift. Operating Typical Thermoelectric Drift Temperature 10 Months 100 Months 25°C <0.01°C <0.01°C 70°C <0.12°C <0.01°C 100°C <0.15°C <0.03°C 150°C <0.20°C <0.08°C 200°C <0.20°C <0.60°C | |
PDF Spec Sheet | Part Number | Description |
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Select by Part Number to order online |
| TH YSI44001A | YSI 44001A THERMISTOR 100 OHMS @ 25C |
| TH YSI44002A | YSI 44002A THERMISTOR 300 OHMS @ 25C |
| TH YSI44003A | YSI 44003A THERMISTOR 1000 OHMS @ 25C |
| TH YSI44003A-100 | YSI 44003A BULK PACK THERMISTOR 1K OHMS @ 25C |
| TH YSI44004 | YSI 44004 THERMISTOR 2252 OHMS @ 25C |
| TH YSI44005 | YSI 44005 THERMISTOR 3000 OHMS @ 25C |
| TH YSI44005-100 | YSI 44005 BULK PACK 3000 OHMS @ 25C |
| TH YSI44006 | YSI 44006 THERMISTOR 10K OHMS @ 25C |
| TH YSI44007 | YSI 44007 THERMISTOR 5000 OHMS @25C |
| TH YSI44007-100 | YSI 44007 BULK PACK 5000 OHMS @25C |
| TH YSI44008 | YSI 44008 THERMISTOR 30K @ 25C |
| TH YSI44008-100 | YSI 44008 BULK PACK THERMISTOR 30K @ 25C |
| TH YSI44011 | YSI 44011 THERMISTOR 100K @ 25C |
| TH YSI44014 | YSI 44014 THERMISTOR 300K @ 25C |
| TH YSI44015 | YSI 44015 THERMISTOR 1 MEGOHM @ 25C |
| TH YSI44015-BP | YSI 44015 1 MEGOHM @ 25C BULK PACK OF 100PCS. |
| TH YSI44016 | YSI 44016 THERMISTOR 10K @ 25C |
| TH YSI44016-100BP | YSI 44016 BULK PACK 10K @ 25C BULK PACK OF 100PCS. |
| TH YSI44017 | YSI 44017 THERMISTOR 6000 @ 25C |
| TH YSI44017-100BP | YSI 44017 6000 @ 25C BULK PACK OF 100PCS. |
| TH YSI44018 | YSI 44018 THERMISTOR COMPOSITE |
| TH YSI44019A | YSI 44019A THERMISTOR COMPOSITE |
| TH YSI44020 | YSI 44020 THERMISTOR COMPOSITE |
| TH YSI44030 | YSI 44030 THERMISTOR |
| TH YSI44031 | YSI 44031 THERMISTOR |
| TH YSI44032 | YSI 44032 THERMISTOR |
| TH YSI44033 | YSI 44033 THERMISTOR |
| TH YSI44034 | YSI 44034 .1C PRECISION RESISTOR |
| TH YSI44035 | YSI 44035 THERMISTOR |
| TH YSI44036 | YSI-44036 THERMISTOR 10K .1C |
| TH YSI44036BP | YSI 44036 10K .1C BULK PACK OF 100PCS. |
| TH YSI44104 | YSI 44104 TEFLON THERMISTOR |
| TH YSI44106 | YSI 44106 TEFLON THERMISTOR |
| TH YSI44107 | YSI 44107 TEFLON THERMISTOR |
| TH YSI44108 | YSI 44108 TEFLON THERMISTOR |
| TH YSI44111 | YSI 44111 TEFLON THERMISTOR |
| TH YSI44114 | YSI 44114 TEFLON THERMISTOR |
| TH YSI44201 | YSI 44201 THERMISTOR COMPONENT |
| TH YSI44202 | YSI 44202 THERMISTOR COMPONENT |
| TH YSI44203 | YSI 44203 THERMISTOR COMPONENT |
| TH YSI44204 | YSI 44204 THERMISTOR COMPONENT |
| TH YSI44211A | YSI 44211A THERMISTOR COMPONENT |
| TH YSI44212 | YSI 44212 THERMISTOR COMPONENT |
| TH YSI44301 | YSI 44301 RESISTOR SET |
| TH YSI44302 | YSI 44302 RESISTOR COMPOSITE |
| TH YSI44303 | YSI 44303 RESISTOR COMPOSITE |
| TH YSI44304 | YSI 44304 RESISTOR COMPOSITE |
| TH YSI44311A | YSI 44311A RESISTOR COMPOSITE |
| TH YSI44312 | YSI 44312 RESISTOR COMPOSITE |
| TH YSI4600 | 4600 THERMISTER METER |
| TH YSI46004650 | YSI 4650 RS232 SOFTWARE |
| TH YSI46004651 | YSI 4651 RS232 CABLE FOR 4600 |
| TH YSI46004652 | YSI 4652 CARRYING CASE FOR 4600 |
| TH YSI46004661 | YSI 4661 AC POWER ADAPTER |
| TH YSI55004 | YSI 55004 THERMISTOR 2252 OHMS @ 25C GEM |
| TH YSI55006 | YSI 55006 THERMISTOR 10K OHMS @ 25C GEM |
| TH YSI55007 | YSI 55007 THERMISTOR 5000 OHMS @ 25C GEM |
| TH YSI55008 | YSI 55008 THERMISTOR 30K OHMS @ 25C GEM |
| TH YSI55016 | YSI 55016 THERMISTOR 10K OHMS @ 25C GEM |
| TH YSI55031 | YSI 55031 THERMISTOR 10K OHMS @ 25C GEM |
| TH YSI55031BP | YSI 55031 BULK PACK 100 PIECES 10K OHMS @ 25C GEM |
| TH YSI55032 | YSI 55032 THERMISTOR 30K OHMS @ 25C GEM |
| TH YSI55033 | YSI 55033 THERMISTOR 2252 OHMS @ 25C GEM |
| TH YSI55034 | YSI 55034 THERMISTOR 5000 OHMS @ 25C GEM |
| TH YSI55036 | YSI 55036 THERMISTOR 10K OHMS @ 25C GEM |
| TH YSI701 | YSI 701 PROBE, GENERAL PURPOSE |
| TH YSI702A | YSI 702A PROBE, SMALL FLEXIBLE |
| TH YSI703 | YSI 703 PROBE, TUBULAR STAINLESS STEEL |
| TH YSI704 | YSI 704 TUBULAR GLASS PROBE |
| TH YSI705 | YSI 705 PROBE, AIR TEMPERATURE |
| TH YSI708 | YSI 708 PROBE, BANJO SURFACE TEMPERATURE |
| TH YSI709A | YSI 709A PROBE, SURFACE TEMPERATURE |
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