Testo 440 dP Differential Pressure Probe Measuring Instrument

Testo 440 dP Differential Pressure Probe Measuring Instrument

• Differential Pressure Measurement: The Testo 440 dP (0560 4402) is equipped with built-in pressure sensors and hoses for differential pressure measurements.
• Probe Reader Functionality: Acts as a probe reader, displaying detailed results when connected to various sensors.
• Sensor Compatibility: Supports simultaneous connection of up to three probes — one Bluetooth probe, one wired digital probe, and one K-type thermocouple.
• Wireless Measurements: Bluetooth connectivity enables wireless measurements up to 20 meters, reducing cable clutter. Use the wired handle where Bluetooth is unavailable.
• Ease of Use: Automatic probe detection and structured measurement menus simplify daily usage.
• Package Includes: Testo 440 dP measuring instrument, connection hose, 3 x AA batteries, USB cable, and manufacturer’s test certificate. Probes must be ordered separately.
• Data Storage: Stores up to 7,500 measurement values. Export data in Excel format via USB.
• Efficient Handling: Probe heads are interchangeable with their respective handles to reduce equipment requirements and allow for more applications.
• Language Support: Device menu supports the Turkish language.

Temperature – NTC Sensor

• Measurement Range: -40 to +150 °C
• Accuracy:
  • ±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 reading (remaining range)
• Resolution: 0.1 °C

Temperature – Type K Thermocouple (NiCr-Ni)

• Measurement Range: -200 to +1370 °C
• Accuracy: ±(0.3 °C + 0.3% of reading)
• Resolution: 0.1 °C

Differential Pressure – Internal Sensor (Piezoresistive)

• Measurement Range: -150 to +150 hPa
• Accuracy:
  • ±0.05 hPa (0 to 1.00 hPa)
  • ±1.5% of reading (1.01 to 150 hPa)
• Resolution: 0.01 hPa

General Specifications

• Weight: 250 g
• Dimensions: 154 x 65 x 32 mm
• Operating Temperature: -20 to +50 °C
• Storage Temperature: -20 to +50 °C
• Compatible Probes:
  • 1 x wired digital probe or 1 x NTC temperature probe (TUC)
  • 1 x Bluetooth® digital probe or Testo Smart Probe
  • 1 x differential pressure (internal sensor)
  • 1 x K-type thermocouple
• Device Color: Black / Orange
• Battery Type: 3 x AA Mignon batteries (1.5V)
• Battery Life: Approx. 12 hours (typical vane measurement)
• Interface: Bluetooth® and USB