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Universal IAQ instrument

Item Code : Testo 400

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.

Delivery Scope

1 x testo 400 universal IAQ instrument, including transport case for air flow measurements, connection hose, mains unit with USB cable, calibration protocol and instruction manual.

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♦Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55

♦High-precision, location-independent and integrated differential pressure sensor

♦Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55

♦Document measuring values directly on the customers site and send them by e-mail, or further analyze them using the testo DataControl PC software

 

Temperature - NTC

Measuring range

-40 to +150 °C

Accuracy

±0.2 °C ±1 Digit (-25 to +74.9 °C)

±0.4 °C ±1 Digit (-40 to -25.1 °C)

±0.4 °C ±1 Digit (+75 to +99.9 °C)

±0.5 % of mv ±1 Digit (Remaining Range)

Resolution

0.1 °C
Temperature - TC Type K (NiCr-Ni)

Measuring range

-200 to +1370 °C

Accuracy

±(0.3 °C + 0.1 % of mv) ±1 Digit

Resolution

0.1 °C
Differential pressure (internal sensor) - Piezoresistive

Measuring range

-100 to +200 hPa

Accuracy

±(0.3 Pa + 1 % of mv) ±1 Digit (0 to 25 hPa)

±(0.1 hPa + 1.5 % of mv) ±1 Digit (25.001 to 200 hPa)

Resolution

0.001 hPa
Absolute Pressure (internal sensor and external probe)

Measuring range

700 to 1100 hPa

Accuracy

±3 hPa

Resolution

0.1 hPa
General technical data

Weight

510 g (instrument)

Dimensions

210 x 95 x 39 mm ((LxWxH))

Operating temperature

-5 to +45 °C

Product-/housing material

Plastic

Protection class

IP40

Connectable probes

4 x digital Bluetooth® probe or testo Smart Probe; 2 x digital probe with fixed cable or temperature probe NTC with fixed cable (via Testo Universal Connector - TUC); 2 x temperature probe TC type K with fixed cable

Product colour

black/orange

Camera image size

Main camera: 8.0 MP; Front camera: 5.0 MP

Battery life

approx. 10 hrs continuous operation

Display type

5.0" touch display, HD 1280*720 pixels, IPS (160 k)

Power supply

Rechargeable li-ion battery (5550 mAh)

Interface

Bluetooth®; USB; WLAN

Memory

2 GB; 1,000,000 measuring values

Storage temperature

-20 to +60 °C

*TUC connection (Testo Universal Connector): For the connection of fixed cable digital probes and NTC probes.