Contact us


+61 3 8706 5000


+49 (0)4821 4370343

Netherlands (Instruments)

+31 (0)180 463411

Netherlands (Vision)

+31 (0)85 0436000

Netherlands (Precision)

+31 (0)20 4940840


+65 68 72 08 63

United Kingdom

+44 (0)783 346 4884

Multi-function instruments

Observator Instruments offers multi-function instruments of TSI Airflow, which are economical, lightweight, compact, rugged and ergonomic. The multi-function instruments have a large graphic display with back-lite illumination and are easy to operate.

These instruments allow you to measure, monitor, test and balance the air velocity, air flow, temperature, relative humidity, pressure, VOC, CO and CO2.

The instruments provide continuous, accurate and reliable measurements and can be used for checking HVAC systems, clean room certification, evaluation of ventilation, thermal comfort studies and IAQ research.

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