Extech 407119

• Air velocity measurements as low as 40ft/min
• Telescoping probe is ideal for use in ducts and ventilating systems, extends up to 3ft (940mm) long
• Measures air volume in CFM (ft3/min) and CMM (m3/min) plus Temperature simultaneously
• Air Flow displayed in 2 modes as an instantaneous value or up to 20 point average
• Record/Recall MIN and MAX readings
• Super large 1.4 (99,999 count) LCD display
• Data Hold plus Auto Power Off
• Built-in RS-232 PC interface with optional Data Acquisition software and cable

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Each Unit Includes

• Telescoping probe with 5.5ft (167.6cm) cable
• Four AA batteries