Extech Instruments 451126 Guide de l'utilisateur

User's Guide Vane Thermo-Anemometer Datalogger Model 451126 Introduction Congratulations on your purchase of Extech&

451126-EN v2.1 07/13 10Battery Replacement The low battery indicator appears on the LCD display when it is time to replace the meter’s 9V battery. T

451126-EN v2.1 07/13 11WarrantyFLIRSystems,Inc.warrantsthisExtechInstrumentsbranddevicetobefreeofdefectsinpartsandworkmanshipfor

451126-EN v2.1 07/13 2Specifications Display Dual 4-digit (9999 count) Multi-function LCD Data hold Locks latest reading on the LCD display Sensor

451126-EN v2.1 07/13 3Meter Description 1. LCD Display 2. Vane Sensor 3. ON/OFF Key 4. RS-232 Connector 5. Function/Numeric Keypad

451126-EN v2.1 07/13 4Operation NOTE: For all air velocity or flow measurements, the air should pass through the vane from back to front. The rear

451126-EN v2.1 07/13 52/3Vmax Air Flow 1. Power the meter by pressing . 2. Press to select Air Flow. FLOW will display. 3. P

451126-EN v2.1 07/13 6Datalogging Instantaneous (One-Shot) Datalogging To record one data point at any desired time, set the sampling rate = 0 by pr

451126-EN v2.1 07/13 7Software Requirements and Installation The 451126 software allows the use to:  Download logged recordings from the meter’s

451126-EN v2.1 07/13 81. 4. Click “Next” 2. 5. Click “Next” 3. 6. Click “I accept” Reboot PC NOTES: The meter is

451126-EN v2.1 07/13 9Useful Equations and Conversions Area equations Cubic equations CFM (ft3/min) = Air Velocity (ft/min) x Area (ft2) CM