What is Humidity Calibration?
Humidity Calibration is the process of verifying and adjusting the accuracy of humidity measuring instruments—such as hygrometers, humidity sensors, and data loggers—to ensure they provide precise and reliable relative humidity (RH) readings. Calibration compares the device’s output against a certified humidity standard under controlled conditions.
Why is Humidity Calibration Important?
Humidity Calibration is crucial in industries like pharmaceuticals, HVAC, food storage, museums, electronics manufacturing, and meteorology. Incorrect humidity readings can lead to product spoilage, equipment damage, health risks, and regulatory non-compliance.
- Ensures reliable and traceable humidity measurements
- Maintains compliance with standards such as ISO 17025 and ASTM E104
- Improves product quality and environmental control
- Reduces risk of equipment failure and contamination
- Supports data integrity for research and industrial processes
What Equipment Needs Humidity Calibration?
Humidity Calibration is needed across a wide variety of instruments, such as:
- Digital and Analog Hygrometers
- Humidity Data Loggers and Recorders
- HVAC Humidity Sensors and Controllers
- Meteorological Instruments
- Cleanroom and Laboratory Monitoring Systems
- Provers
- Humidity Loggers
- Humidity Probes
Who Needs Humidity Calibration?
Humidity calibration is vital in industries where precise environmental control affects product quality, safety, or regulatory compliance, including:
- Pharmaceutical and Biotechnology – For GMP environments, cleanrooms, and storage facilities
- Food and Beverage – Where humidity impacts shelf life, packaging, and production
- Electronics and Semiconductor Manufacturing – Sensitive to static and moisture during assembly
- HVAC and Building Management – For BMS systems, air handling units, and indoor air quality control
- Museums and Archives – Where controlled humidity prevents deterioration of artefacts and documents
- Environmental Testing Labs – Monitoring controlled climates for research and testing
- Agriculture and Greenhouses – Where humidity affects crop growth and yield
- Calibration and Metrology Labs – Maintaining reference standards and traceability
How Often Should It Be Calibrated?
- Every 12 months – Standard industry recommendation for most environments
- Every 6 months – For highly regulated sectors like pharmaceuticals, cleanrooms, or research labs
- After exposure to extreme conditions, shock, or drift
- Before audits or regulatory inspections
Frequency depends on equipment usage, environmental factors, and quality system requirements like ISO 17025, GMP, or ISO 9001.
Why Choose CISCAL for your Humidity Calibration?
CISCAL provides accredited humidity calibration services you can rely on—designed to help you meet strict quality, safety, and regulatory standards.
- All humidity calibrations are traceable to national standards and delivered with full documentation.
- Wide Instrument Coverage- We calibrate hygrometers, sensors, transmitters, probes, data loggers, and climate chambers.
- On-Site or In-House Calibration- Choose between convenient on-site service or fast lab turnaround to minimise downtime.
- Detailed, Audit-Ready Certificates- Includes uncertainty values, pass/fail results, and traceability for ISO, MHRA, or GMP audits.
- Trusted Across High-Compliance Industries- Serving pharma, food, aerospace, museums, and cleanroom operations across Australia.
- Experienced Technicians- Our specialists ensure your instruments perform with precision and reliability.