Multi function indoor air quality measuring instruments

Multifunction Measuring Instruments
400 Universal IAQ Measurements
Multi-function Climate measuring instruments, IAQ, Air Velocity Meters

Testo 435-1 - Multi-function climate measuring instrument
- Optional thermal and vane anemometers for measuring air velocity and volumetric flow in ventilation ducts
- Air quality: measurement of CO2, air humidity, air temperature and absolute pressure with the optional IAQ probe
- Display of dew point distance, min., max. and mean values
- Illuminated display
Testo 435-2
indoor air quality meter
- Comprehensive range of measuring functions using optional accessories – e.g. anemometers, moisture sensors, lux and degree of turbulence sensors
- Super-size memory for up to 10,000 readings
- Displays dew point difference, min, max and mean values
- PC software for analyzing and logging measuring data


Testo 435-3
Multi-function climate measuring instrument
- Includes Pitot tube for differential pressure measurement for filter monitoring or for measurement
- Further optional probes can be attached: thermal and vane anemometers, along with probes for air humidity, CO2, absolute pressure and temperature
- Display of dew point distance, min., max. and mean values
- Illuminated display
Testo 440
Air velocity and IAQ measuring instrument
- Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
- Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
- Clear overview: large graphic display with parallel display of 3 readings
- Safe and reliable: internal data storage and USB port for data export
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