testo 440 dP
€479.16
Product information "testo 440 dP"
Differential Pressure Measuring Instrument testo 440 dP – Climate Measuring Instrument with Differential Pressure Sensor
Testo differential pressure measuring instruments measure pressure at filters, fans, burners and in ventilation systems. They are essential for balancing, commissioning and maintenance in heating, air conditioning and ventilation systems.
Key Benefits at a Glance
- One instrument for all indoor climate parameters
- Integrated differential pressure sensor: for Pitot tube measurements and filter monitoring
- Expandable with a wide range of probes
- Wireless measurement with Bluetooth probes
- USB interface for exporting measurement reports as CSV files
Scope of delivery
testo 440 dP climate measuring instrument including integrated differential pressure sensor, connection hose, 3 x AA batteries, USB cable and adjustment protocol.Technical specifications
| Temperature - NTC | |
|---|---|
| Measuring range | -40 to +150 °C |
| Accuracy | ±0,4 °C (+75 to +99,9 °C), ±0,5 % of measured value (remaining measuring range), ±0,3 °C (-25 to +74,9 °C), ±0,4 °C (-40 to -25,1 °C) |
| Resolution | 0,1 °C |
| Temperature - TC Type K (NiCr-Ni) | |
| Measuring range | -200 to +1370 °C |
| Accuracy | ±(0,3 °C + 0,3 % of measured value) |
| Resolution | 0,1 °C |
| Differential pressure (integrated sensor) – piezoresistive | |
| Measuring range | 0 to +150 hPa |
| Accuracy | ±0,2 hPa + 1,5 % of measured value, (1,01 to +150 hPa), ±0,05 hPa (0 to 1,00 hPa) |
| Resolution | 0,01 hPa |
| General technical specifications | |
| Weight | 250 g |
| Dimensions | 154 x 65 x 32 mm |
| Operating temperature | -20 to +50 °C |
| Connectable probes | 1 x digital probe with cable or 1 x NTC temperature probe TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x differential pressure (internal), 1 x type K thermocouple temperature probe |
| Product colour | Black/orange |
| Battery life | 12 h (typical vane measurement) |
| Battery type | 3 AA batteries 1,5 V |
| Interfaces | BLUETOOTH®; USB |
| Storage temperature | -20 to +50 °C |
Operating conditions
Battery-powered handheld instrument for commissioning and maintenance.
- Operating temperature: -20 to +50 °C
- Battery life: 12 h (typical vane measurement)
- Battery type: 3 AA batteries 1,5 V
- Storage temperature: -20 to +50 °C
- For construction sites
- For production environments
- For temporary use
- Not suitable for potentially explosive atmospheres (no ATEX certification)
Typical applications
Skilled trades · Building management & facilities · Engineering & technical services · Energy supply
Product information
- Manufacturer: Testo SE & Co. KGaA, Celsiusstraße 2, 79822 Titisee-Neustadt, Germany
- Manufacturer's part number: 0560 4402
Downloads
- EU Declaration of Conformity testo 440 dP (PDF, German)
- Confirmation of the operating principle of digital Testo probes (PDF, German)
- UK Declaration of Conformity testo 440 dP (PDF, English)
- Instruction manual testo 440 (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.
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Technical Details
| Operating Conditions: | For construction sites, For production environments, For temporary use |
|---|---|
| Primary Function: | Measuring & Testing |
| Sectors/Industry: | Building & Facility Management, Energy Supply & Wind Power, Maintenance & Technical Services, Trades & Workshops |
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