KEY FEATURES

• Professional wireless humidity and temperature probe for HVAC and environmental monitoring
• Measures relative humidity and air temperature with high precision and long-term stability
• Bluetooth® connectivity provides cable-free measurements with a wireless range up to 20 m
• Automatically calculates dew point, wet bulb temperature, and absolute humidity
• Compatible with Testo multifunction instruments including Testo 400, 440, and 480
• Long-term stable humidity sensor traceable to ILAC, PTB, and NIST standards
• Intelligent calibration concept minimizes downtime and maintenance costs

The Testo 0636 9731 Digital Humidity/Temperature Probe with Bluetooth® is engineered for precise environmental measurements in HVAC systems, refrigeration applications, laboratories, storage facilities, workspaces, and indoor climate monitoring environments. Combining accurate humidity and temperature sensing with wireless Bluetooth® communication, the probe enables efficient, cable-free operation while providing dependable measurement data directly to compatible Testo multifunction instruments. Integrated psychrometric calculations including dew point, wet bulb temperature, and absolute humidity help users evaluate indoor environmental conditions, system performance, and occupant comfort. Designed for professional field and industrial use, the probe delivers reliable long-term performance, flexible deployment, and efficient environmental diagnostics.

ADDITIONAL FEATURES

• Bluetooth® wireless communication reduces cable clutter and improves measurement flexibility
• Long-term measurement functions support environmental trend analysis and data logging
• Integrated handle button allows convenient storage of readings and measurement control
• Universal handle system supports interchangeable Testo probe heads
• Probe-head-only calibration reduces maintenance costs and instrument downtime
• Battery-powered design enables extended field operation up to 140 hours
• Compact and ergonomic construction enhances usability during routine inspections

APPLICATIONS

• Ideal for HVAC commissioning, refrigeration system monitoring, indoor air quality assessments, storage facility climate verification, laboratory environmental monitoring, cleanroom testing, workplace comfort studies, and long-term humidity and temperature analysis.

PRODUCT PACKAGE INCLUDES

• 1 x Testo Humidity/Temperature Probe (Digital, with Bluetooth®) (0636 9731)
• 4 x AA Batteries

SPECIFICATIONS

The contents of this document are provided as a guide only and are subject to change without prior notice, and without any subsequent liability to Parkway Process Solutions Pty Ltd (the “Company”) or any of its related entities. The actual shape, colour, size, performance and/or any other parameters of the item/s and/or product/s and/or system/s supplied by the Company may vary materially from those outlined by the Company.

All brand names and product names outlined in this document are either trademarks or registered trademarks and belong to their respective companies.

ALL INFORMATION OUTLINED HEREIN IS PROVIDED AS A GUIDE ONLY AND SHOULD NOT BE RELIED UPON FOR ANY PURPOSE WITHOUT CONFIRMING SUCH DETAILS WITH THE COMPANY BEFORE MAKING A PURCHASE AND/OR UTILISING A GIVEN PRODUCT.

ADDITIONAL RESOURCES

PRODUCT GUIDE

Product guide and technical documentation for the Testo Humidity/Temperature Probe (Digital, with Bluetooth®) can be found below.

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