The compact testo 417 anemometer utilizes a fixed flow temperature vane to directly measure flow, volume flow and temperature.Volume flow is shown directly on the clear backlit display. Just input the duct measurements, and accurate volume flow calculations are automatically displayed. You can also switch between flow and temperature.Flow direction, either from pressure or vacuum source, is visible in the display.Timed and multi-point mean calculations provide information on mean volume flow, velocity and temperature.The optional funnel set facilitates efficient measurements at ventilator grilles and disc outlets.Min-Max values can also be displayed. The " Hold " function freezes current readings in the display making data recording easy.

Features: 
Hold button freezes readings
Auto Off
Built-in 4 inches vane
Flow direction is shown in display
Flow, volume flow ( cfm) , and temperature measurements
Multi-point and timed mean calculations
Max-Min values
Auto Off function
Clear backlit display
Soft carrying case

Specifications: 
Storage temperature: -40 to + 85 ° C
Operating temperature: 0 to + 50 ° C
Battery type: 9V block battery, 6F22
Battery life: 50 h
Weight: 230 g
Dimensions: 277 x 105 x 45 mm
Material/ Housing: ABS

Probe type NTC
Meas. range: 0 to + 50 ° C
Accuracy: ± 0.5 ° C
Resolution: 0.1 ° C

Probe type Vane
Meas. Range: + 0.3 to + 20 m/ s
Accuracy: ± ( 0.1 m/ s + 1.5% of mv) 
Resolution: 0.01 m/ s

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