testo 400
€1,364.22
Product information "testo 400"
Universal Climate Measuring Instrument testo 400
The testo 400 and testo 440 air quality measuring instruments measure air velocity, temperature, humidity, CO₂, light and thermal comfort with a single instrument. With suitable probes, they cover all measurement tasks in HVAC systems.
Key Benefits at a Glance
- One instrument for all indoor climate parameters
- Smart, intuitive measurement programmes including HVAC duct traverse measurements according to DIN EN 12599 / DIN EN 16211 and ASHRAE 111, PMV/PPD and turbulence intensity according to DIN EN ISO 7730 and ASHRAE 55
- Highly accurate, position-independent integrated differential pressure sensor
- Expandable with a wide range of probes
- Analysis software for creating professional reports and managing measurement data
Scope of delivery
1 x universal climate measuring instrument testo 400, incl. carrying case for volumetric flow rate measurement, connection hose, mains adapter with USB cable, calibration certificate and instruction manual.Technical specifications
| Temperature - NTC | |
|---|---|
| Measuring range | -40 to +150 °C |
| Accuracy | ±0,5 % of measured value ±1 digit (remaining measuring range), ±0,4 °C ±1 digit (-40 to -25,1 °C), ±0,4 °C ±1 digit (+75 to +99,9 °C), ±0,2 °C ±1 digit (-25 to +74,9 °C) |
| Resolution | 0,1 °C |
| Temperature - TC Type K (NiCr-Ni) | |
| Measuring range | -200 to +1370 °C |
| Accuracy | ±(0,3 °C + 0,1 % of measured value) ±1 digit |
| Resolution | 0,1 °C |
| Differential pressure (integrated sensor) – piezoresistive | |
| Measuring range | 0 to +200 hPa |
| Accuracy | ±(0,1 hPa + 1,5 % of measured value) ±1 digit (25,001 to 200 hPa), ±(0,3 Pa + 1 % of measured value) ±1 digit (0 to 25 hPa) |
| Resolution | 0,001 hPa |
| Absolute pressure (integrated sensor and external probe) | |
| Measuring range | 700 to 1100 hPa |
| Accuracy | ±3 hPa |
| Resolution | 0,1 hPa |
| General technical specifications | |
| Weight | 510 g (measuring instrument) |
| Dimensions | 210 x 95 x 39 mm ((LxWxH)) |
| Operating temperature | -5 to +45 °C |
| Product/housing material | Plastic |
| Protection rating | IP40 |
| Connectable probes | 4 x digital Bluetooth® probes or testo Smart Probes; 2 x digital probes with cable or NTC temperature probes with cable (via TUC - Testo Universal Connector); 2 x Type K thermocouple temperature probes with cable |
| Product colour | Black/orange |
| Camera image size | Main camera: 8.0 MP; front camera: 5.0 MP |
| Battery life | approx. 10 h continuous operation |
| Display type | 5.0" Touch Display, HD 1280*720 pixels, IPS (160k) |
| Power supply | Rechargeable Li-ion battery (5550 mAh) |
| Interfaces | BLUETOOTH®; USB |
| Memory | 2 GB; 1.000.000 measured values |
| Storage temperature | -20 to +60 °C |
Operating conditions
Battery-powered handheld instrument for measurements in buildings and ventilation systems.
- Operating temperature: -5 to +45 °C
- Protection rating: IP40
- Battery life: approx. 10 h continuous operation
- Storage temperature: -20 to +60 °C
- For construction sites
- For production environments
- For temporary use
- Not suitable for potentially explosive atmospheres (no ATEX certification)
Typical applications
Building management & facilities management · Skilled trades · Engineering & technical services · Healthcare
Product information
- Manufacturer: Testo SE & Co. KGaA, Celsiusstraße 2, 79822 Titisee-Neustadt, Germany
- Manufacturer's part number: 0560 0400 01
Downloads
- Quickstart testo 400 (PDF, German)
- Instruction manual testo 400 (PDF, German)
- Quickstart testo 400 (PDF, English)
- Instruction manual testo 400 (PDF, English)
- Technical data sheet (PDF, German)
- Technical data sheet (PDF, English)
We offer additional discounts for larger order quantities. Let us know the quantity required and we will prepare a tailored quotation.
Request a bulk quotation
Technical Details
| Operating Conditions: | For construction sites, For continuous operation, For production environments, For temporary use |
|---|---|
| Primary Function: | Measuring & Testing |
| Sectors/Industry: | Building & Facility Management, Healthcare & Medical Technology, Maintenance & Technical Services, Trades & Workshops |
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