Description
The Testo 405i is an industrial-grade wireless hot wire anemometer engineered for the precise measurement of air velocity, temperature, and volume flow. Operating as a Smart Probe, this instrument utilizes Original Engineering to interface directly with smartphones and tablets via Bluetooth, enabling advanced data logging, reporting, and system analysis without the physical constraints of traditional wired meters.
Technical Specifications:
Brand: Testo
Model Number: 405i
Equipment Type: Hot Wire Anemometer Smart Probe
Velocity Measuring Range: 0 to 30 m/s
Velocity Accuracy 0 to 2 m/s: ±0.1 m/s + 5 percent of measured value
Velocity Accuracy 2 to 15 m/s: ±0.3 m/s + 5 percent of measured value
Velocity Resolution: 0.01 m/s
Temperature Measuring Range: -20 to +60 °C
Temperature Accuracy: ±0.5 °C
Temperature Resolution: 0.1 °C
Telescopic Shaft Length: 400 mm
Data Transmission: Bluetooth 4.0
Technical Compatibility: iOS 8.3 or newer, Android 4.3 or newer
Power Supply: 3 x AAA micro batteries
Battery Life: 15 hours
Operating Temperature: -20 to +50 °C
Storage Temperature: -20 to +60 °C
Housing Dimensions: 200 x 30 x 41 mm
Weight: 119 g
Condition: Brand New in Stock
Industrial Application:
The Testo 405i is specifically designed for HVAC/R commissioning, cleanroom validation, and industrial ventilation diagnostics. The 400 mm extendable telescope permits deep insertion into complex ductwork to accurately map airflow profiles. By utilizing the Smart Probes App, technicians can input duct cross-sectional geometry to automatically calculate volume flow. This wireless architecture ensures seamless Technical Compatibility with modern diagnostic workflows, while our optimized supply chain guarantees minimal Lead Time for critical facility maintenance operations.
Key Attributes
Type: Anemometer Wireless Smart Probe
Place of Origin: China
Model Number: 405i
Brand Name: Testo
Product name: Testo Anemometer Wireless Smart Probe
Model: 405i
Measuring Range: 0 to 6,000 fpm
Accuracy: ±(20 fpm + 5 % of mv)
Volume Flow (cfm): 0 to 99,999 cfm
NTC Measuring Range: -4 to 140°F (-20 to 60°C)
Accuracy.: ±0.9°F (±0.5°C)
Measuring Units: °F, °C, fpm, m/s, cfm, m3/h, l/s
Battery Type: 3 AAA Batteries (included)
Battery Life: 15 hours
Packaging and Delivery
Packaging Details: Cardboard box
Selling Units: Single item
Single package size: 35X19X13 cm
Single gross weight: 1.500 kg








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