The Testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.

Features:
- An indoor air quality meter designed for use with Testo’s smart probes
- A high-precision, location-independent pressure sensor
- Intelligent calibration concept
- Measure, document, and analyse indoor air quality parameters
- Measure flow, temperature, humidity, pressure, illuminance, radiant heat, turbulence, carbon dioxide, and carbon monoxide
- Check IAQ parameters in industrial production and manufacturing processes
- Ideal for consultants, experts, technical service providers, and service technicians working in the air conditioning and ventilation sector
- Smart and intuitive measurement programs
- HVAC grid measurement according to EN ISO 12599 and ASHRAE 111
- PMV/PPD in accordance with EN ISO 7730 and ASHRAE 55
- Draught and degree of turbulence in line with EN ISO 7730 and ASHRAE 55
- WBGT measurement according to DIN 33403 and EN ISO 7243
- NET measurement in accordance with DIN 33403
- Swap probes without restarting the meter- Manage customer information on the meter
- Adjustment function at up to six measurement points ensures a zero-error display
- Results are stored in measurement menus
- Evaluates readings according to a traffic light system
- Send data with full documentation to a colleague or client via email
- Built-in camera 
- Analyse data using Testo’s DataControl PC software
- Smart probes are calibrated independently of the Testo 400, thereby maximising uptime
- Delivers error-free, high-precision measurements efficiently and easily
- Ideal for day-to-day operations

Package Included:
- Testo 400 Universal IAQ Tester
- Transport Case
- Mains Unit with USB Cable
- Calibration Protocol