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YSI Series 400 Thermistor Probes

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  • Accurate to ?.10°C at 85°C
  • NIST certificate of traceability included

All Series 400 probes can be used interchangeably without meter recalibration. Probes are electrically isolated and come with a non-detachable 10 ft lead with phone plug (except as noted). Water-resistant junctions between probe and lead should not be immersed; detachable leads are not water resistant. The time constant is the time required to reach 63.2% of the temperature being measured. Five time constants are required to reach 99% of full reading. NIST traceability certificate is provided.

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