MOHAMMAD MAHDI Electronics Trading LLC
Testo 440 dP Air Velocity and IAQ Measuring Instrument
Brand:
Testo
SKU:
0560-4402
The Testo 440 dP is an air velocity and indoor air quality measuring instrument with an integrated differential pressure sensor. Combined with high-quality digital probes it measures and records all key air velocity and IAQ parameters, and the built-in differential pressure sensor adds measurements on filters and fans, K-factor and pitot-tube measurement.
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Description
Overview
Use the Testo 440 dP anemometer and IAQ meter in combination with a high-quality digital probe to measure and record all air velocity and indoor air quality parameters (probes ordered separately). Up to three probes can be connected simultaneously — a Bluetooth® probe, a wired probe and a temperature probe with a Type K thermocouple connector — and automatic probe detection with a clearly structured measurement menu guarantees simple operation that facilitates your daily work.
A differential pressure sensor is incorporated in the testo 440 dP. This enables measurements on filters and fans, as well as K-factor measurements and pitot-tube measurements (pitot tubes ordered separately). The result is a single, versatile instrument for airflow, IAQ and pressure work in ventilation and air-conditioning systems.
Key Features
- Air velocity and IAQ instrument with integrated differential pressure sensor
- Measurements on filters and fans, K-factor and pitot tubes
- Connects up to three probes at once with automatic probe detection
- Structured menus for volume flow, turbulence and cooling/heating output
- High-precision NTC and TC Type K temperature inputs
- Compact, robust design with clear display and data storage
Applications
- Air velocity and volume flow measurement in ducts and at outlets
- Differential pressure measurement on filters and fans
- K-factor and pitot-tube measurement
- Indoor air quality and climate assessment with the right probes
What’s in the Box
- testo 440 dP air velocity and IAQ measuring instrument
- 3 x AA batteries
- USB cable and calibration protocol
- (Probes and pitot tubes ordered separately)
Why buy from MME in UAE
MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of testo measuring instruments in the UAE, offering genuine products, competitive pricing and knowledgeable local support. Order with confidence and get fast delivery across Dubai, Abu Dhabi and the wider Emirates. 
Download the datasheet
Manual
Manual
Specifications
Specifications
| Measurement Type | Measuring Range | Accuracy | Resolution |
|---|---|---|---|
| Temperature – NTC | -40 to +150 °C | ±0.4 °C (-40 to -25.1 °C) ±0.3 °C (-25 to +74.9 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) |
0.1 °C |
| Temperature – TC Type K | -200 to +1370 °C | ±(0.3 °C + 0.3 % of mv) | 0.1 °C |
| Differential Pressure (Internal Sensor) | -150 to +150 hPa | ±0.05 hPa (0 to 1.00 hPa) ±0.2 hPa + 1.5 % of mv (1.01 to +150 hPa) |
0.01 hPa |
Reviews (2)
2 reviews for Testo 440 dP Air Velocity and IAQ Measuring Instrument
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Bench Multimeters
Robert –
Works well and is simple to use.
mick –
The testo 440 dP offers precise air velocity and indoor air quality measurements, making it a reliable tool for professionals.