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WSP425 -- 425ºC Working Standard PRT
Category: TEMPERATURE, CALIBRATORS
Model: Thermometer Standard, Thermometer Standards
Avaibility: AVAILABLE
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425ºC Working Standard PRT
The model WSP425 PRT is a good choice for lower temperature range is required. The sheath is of stainless steel construction with a strain free wire wound .3924 alpha sensing element. The WSP425 PRT can be used as a working standard in calibration baths, furnaces, fluidized baths, dry block calibrators or for any other temperature calibration work. Combine it with our model Tecal Accu-Temp RTD indicator for a system with high overall accuracy. The WSP425 PRT includes a NIST traceable ITS-90 calibration with coefficients and R vs T table.
Technical Specification
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Resistance at 0° C: |
100 ohms |
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Temperature range: |
-200 to 425°C |
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Calibrated temperature range: |
-50 to 425°C |
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Temperature coefficient: |
0.003924 ? /? /° C minimum |
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Stability: |
Meets IEC stability specifications after 250 hours exposure |
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to extremes of temperature range. Typical drift is less than |
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0.05°C (0.02?) at 0°C. |
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Repeatability: |
Meets IEC requirements. Typical shift less than 0.05°C |
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(0.02?) at 0°C after ten cycles over range. |
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Dimensions: |
0.25” dia. x 12” L , custom sizes available |
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Tolerance at 0° C: |
± 0.06%, IEC DIN class A |
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Lead wires: |
4 wire Teflon insulated, stranded 22 AGW copper x 6” Long |
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