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Extech Calibration Bottles - 33% and 75% RH for RH300, 445715 and 445815 Item #: 155749 Manufacturer: Extech Instruments Manufacturer Item #: RH300-CAL Your Price: $49.95 In Stock |
Use these Calibration Bottles with your Extech Psychrometer or Hygro-Thermometer!Features & Applications:These Extech Calibration Bottles are used with the RH300 Psychrometer and the 445715 and 445815 Hygro-Thermometer. It includes one 33%RH and one 75%RH bottle. Both are designed with small openings for a snug fit on the sensor. Features:
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