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Extech RH300-CAL 33% and 75% Humidity Calibration Kit

Extech | Calibration Accessories

Extech RH300-CAL 33% and 75% Humidity Calibration Kit

MPN / Part No: RH300-CAL
Price updated: Sep 23, 2026

This humidity calibration kit includes two humidity references of 33% and 75% for precise calibration of humidity sensors and moisture measuring equipment. Designed for industrial engineers and technicians to ensure measurement accuracy and compliance with quality standards.

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Extech RH300-CAL Humidity Calibration Kit is a specialized and reliable solution to ensure the accuracy of humidity measurements in industrial and laboratory environments.

This set includes two humidity references with fixed concentrations of 33% and 75%, which serve as reference standards for calibrating hygrometers, data loggers, and moisture sensors.

Utilizing advanced polymer gel technology, this kit ensures excellent humidity stability over time and minimizes the need for frequent calibration of the reference.

Key Features of Extech RH300-CAL Humidity Calibration Kit

  • Includes two high-accuracy humidity references (33% and 75%)
  • Utilizes stable polymer gel to maintain constant humidity
  • Ergonomically designed and durable for use in industrial environments
  • Reduces equipment downtime and enhances calibration process efficiency
  • Suitable for compliance with ISO standards and quality control

Technical Specifications

Feature Value
Model RH300-CAL
Product Type Humidity Calibration Kit
Reference Humidity Level 1 33%
Reference Humidity Level 2 75%
Construction Technology Polymer Gel
Brand Extech

Frequently Asked Questions

Is this kit suitable for calibrating digital hygrometers?

Yes, this kit is specifically designed for calibrating digital hygrometers, humidity probes, and similar equipment.

What is the humidity stability duration of the Extech RH300-CAL humidity calibration kit?

The polymer gels used in this kit have a long-lasting stability and remain unchanged for an extended period when stored properly in a sealed container.

Does using this kit require any special ancillary equipment?

No, this kit acts as an independent reference and only requires placing the desired sensor in the closed environment of the kit.

Conclusion

The Extech RH300-CAL humidity calibration kit is an ideal choice for engineers and technicians seeking precision and reliability in humidity measurements.

By providing two standard calibration points, this product helps organizations optimize their quality control processes and ensure compliance with international standards.

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Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

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