• Ideal for Commissioning and IAQ investigation professionals verifying building HVAC system performance parameters
• Measures all IAQ-related parameters such as CO, CO2, temperature and humidity, including dew point and wet bulb temperature calculations
• Compatible with wide variety of probes, including testo Smart Probes, for all IAQ measurement needs

400 Universal Air Flow and IAQ Measuring Instrument:

• Measures all parameters (with probes, certain models sold separately):

• Air velocity, temperature, humidity, pressure, illuminance, radiant heat, turbulence, CO2, CO
• Equipped with high-precision, location-independent and integrated differential pressure sensor that meets NEBB requirements
• Provides smart and intuitive measurement programs:
• HVAC grid measurement in accordance with ASHRAE 111
• PMV/PPD in accordance with ASHRAE 55
• Draft and degree of turbulence in accordance ASHRAE 55
• Document measuring values directly on customer's site and send them by e-mail
• Analyze results using included testo DataControl PC software
• Large 5 in. HD display shows all measurement data immediately and clearly
• Operates as intuitively as a smartphone with Smart-Touch touchscreen technology
• Allows up to eight probes (4 x Bluetooth, 4 x cable - sold separately) to be used simultaneously
• Simply start and stop measurements with just one button on probe handle
• Built-in measurement assistant provides support for carrying out error-free measurements
• Probe heads can be changed without restarting the instrument, preventing lost time
• Intelligent calibration concept allows probes to be calibrated independently of the measuring instrument

Digital CO Probe with Bluetooth:

• Accurately determines CO concentrations in indoor areas
• Measuring range from 0 to 500 ppm, with accuracy up to ±3 ppm
• Directly transmits measurements to compatible measuring instrument via Bluetooth, up to distance of 65 ft.
• Equipped with long-term stable electrochemical sensor

Digital CO2 Probe with Bluetooth, Temperature & Humidity Sensor:

• Provides parallel determination of CO₂ concentration, humidity, and air temperature in indoor areas, including long-term measurement
• Precisely calculates wet bulb temperature, dew point, and absolute humidity
• Directly transmits measurements to compatible measuring instrument via Bluetooth, up to distance of 65 ft.
• Absolute pressure compensation ensures accurate measurement results
• Includes temperature and humidity sensor
• Suitable for checking indoor air quality, including in offices, production areas and storage facilities

Specifications

• (1) testo 400 Universal Instrument, including:
• (1) testo DataControl Software
• (1) Power Supply with USB Cable
• (1) Calibration Protocol
• (1) CO2 Probe with Bluetooth, including:
• (1) Temperature and Humidity Sensor
• (4) AA Batteries
• (1) Calibration Protocol
• (1) CO Probe with Bluetooth, including:
• (4) AA Batteries
• (1) Calibration Protocol
• (1) Transport Case

Brochure/Datasheet

Instruction manual

Download

Note: Prices are not binding at any time subject to change without prior notice