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Extech Humidity Calibration Salt Bottle Kit

Humidity Calibration Kit

Extech Humidity Calibration Reference

Part Number: RH300-CAL

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  • Optional Calibration Salt Bottles

  • Small Opening Designed for Snug Fit of the Sensor

  • Includes 33% RH and 75% RH Calibration Bottles

Special order - please allow 2-4 weeks for this item to ship.