VelociCalc Air Velocity Meter 9535 TSI

VelociCalc Air Velocity Meter 9535 TSI

Advanced Handheld Instrument for Accurate Airflow Measurement and Data Logging

The VelociCalc Air Velocity Meter 9535 from TSI is a versatile, high-performance tool designed for professionals in HVAC, facility maintenance, and critical environment monitoring. With its ability to measure air velocity and temperature and calculate volumetric flow, the 9535 functions as multiple instruments in one, helping you increase efficiency and accuracy on the job.

Equipped with a straight, telescopic probe housing multiple sensors, the 9535 provides simultaneous real-time measurements. The intuitive user interface and easy-to-read display simplify operation, making it suitable for both experienced technicians and new users. For professionals conducting regular ventilation assessments, the integrated data logging feature stores more than 12,700 samples and 100 test IDs, making report generation and analysis more efficient.

This instrument supports airflow diagnostics across a wide range of applications such as HVAC system commissioning, plant maintenance, duct traverses, cleanroom certification, and laboratory ventilation verification. Whether you are optimizing system performance or verifying compliance with industry standards, the 9535 ensures reliable and precise results.

The 9535 is available with an optional articulated probe model (9535-A) for improved access to difficult-to-reach areas and an ISO 17025 calibration certificate for applications requiring traceable accuracy.

Features and Benefits

• Measures air velocity and temperature with a multi-sensor probe

• Velocity range: 0 to 6,000 ft/min (0 to 30 m/s)

• Calculates volumetric flow and actual or standard air velocity

• Displays up to three parameters simultaneously

• Data logging capacity of over 12,700 samples with 100 test IDs

• Telescopic straight probe included (articulated version available)

• USB interface for fast data download

• Factory-calibrated with certificate included

• Simple operation with intuitive user interface

Applications

• HVAC testing and balancing

• Commissioning of ventilation systems

• Cleanroom and controlled environment certification

• Duct traverse flow measurements

• Routine facility maintenance

Included Items

• VelociCalc 9535 Air Velocity Meter

• Telescopic straight probe

• Carrying case

• USB data cable

• 4 AA alkaline batteries

• User manual

• Calibration certificate