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Data Sheet PDF | Instruction Manual PDF
Description
The Testo 440 delta P Air Flow ComboKit 2 is an industrial-grade air flow measuring instrument framework optimized for simultaneous parameter extraction in ventilation shafts, extract outlets, and laboratory cleanrooms. Centered on the Testo 440 dP technical platform with an integrated differential pressure sensor, this system utilizes a wireless architecture to process environmental variables without physical cable limitations. The kit includes a universal Bluetooth handle compatible with three interchangeable modular heads: a large 100 mm vane probe, a compact 16 mm vane probe for duct interiors, and a premium humidity/temperature probe head. Supported by a 1.0 m extendable telescope, this industrial kit facilitates high-precision compliance diagnostics and complete process data logging via internal memory and USB pathways.
B2B Applications
- Standard Ventilation Duct Balancing: Deploying the 16 mm vane configuration via the extendable telescope arm to compile multi-point flow velocity lines inside air shafts.
- Terminal Air Distribution Auditing: Utilizing the high-diameter 100 mm vane structure at ceiling air diffusers to verify volumetric displacement metrics.
- Cleanroom Climate Verification: Tracking parallel relative humidity, room temperature, and static filter differential pressure drop metrics to ensure GxP compliance.
Technical Parameters
| Differential Pressure Measuring Range | -150 to +150 hPa |
| Differential Pressure Accuracy | ±0.05 hPa (0 to 1.00 hPa), ±0.2 hPa + 1.5 % of mv (1.01 to +150 hPa) |
| Temperature Interface (NTC Range) | -40 to +150 °C (±0.3 °C precision within standard operational fields) |
| Thermocouple Sensor Input | 1 x Type K (TC Range -200 to +1370 °C) |
| Process Signal Data Storage | Internal memory capacity matching up to 7,500 measurement data protocols |
| Wireless Peripheral Connection | Bluetooth framework (Signal transmission radius up to 150 m) |
Package Contents
- Testo 440 dP air velocity instrument with integrated pressure sensor
- Universal wireless Bluetooth handle assembly
- 100 mm vane probe head module
- 16 mm vane probe head module
- Humidity and temperature probe head module
- Extendable 1.0 m telescope arm
- Industrial protective case and factory calibration log