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Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: Air, O2, N2* Includes Standard Accessory KitIdeal for Continuous Flow Oxygen Concentrator testing*Nitrogen gas is a correction from the air calibration

Purchasing product bundles is an excellent way to save. TSI currently offers the PH731-STA Bundle for one low price—maximizing your savings over purchasing each separately.

The Airflow™ Instruments Micromanometer PH730 is one of the most advanced, versatile, and easy to use micromanometers on the market today.Image shown features standard and optional accessories.

The Airflow™ Instruments TA550 is a portable, handheld Multi-Function micromanometer featuring a menu-driven user interface for easy operation. The high-resolution color screen displaying multiple measurements simultaneously in real-time with on-screen prompts to guide you...

ISO/IEC 17025 accredited calibration service for the TSI VelociCalc Multi-Function Ventilation Meter 9600, delivering verified accuracy, documented traceability, and confidence in air velocity and temperature measurements for compliance and critical environment applications.

ISO/IEC 17025 accredited calibration service for the TSI VelociCalc Multi-Function Ventilation Meter 9630, delivering verified accuracy, documented traceability, and confidence in differential and static pressure measurements for compliance and critical environment applications.

ISO/IEC 17025 accredited calibration service for the TSI Thermoanemometer Straight Probe 964, delivering verified accuracy, documented traceability, and confidence in air velocity and temperature measurements for compliance and critical environment applications.

Professional calibration for the TSI Alnor LoFlo Balometer Capture Hood 6200, delivering verified accuracy and confidence in airflow measurements at diffusers and grilles.

Professional calibration for the TSI VelociCalc Air Velocity Meter 9545 and included telescopic straight thermoanemometer probe, delivering verified accuracy and confidence in air velocity and temperature measurements.  

Professional calibration for the TSI Thermoanemometer Articulated Probe 962 hot-wire anemometer, delivering verified accuracy and confidence in air velocity and temperature measurements.