USER MANUAL CFM/CMM Thermo Anemometer Model AN510 Additional User Manual Translations available at www.extech.
Introduction Thank you for selecting the Extech AN510 CFM/CMM Thermo-Anemometer. This instrument measures Air Velocity, Air Flow (volume), Air Temperature, and Type K Temperature (external probe). The backlit LCD includes primary and secondary displays plus numerous status indicators. This device is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. Please visit our website (www.extech.
Meter Description 1. Air Velocity vane 2. Type K Temperature probe input 3. LCD Display 4. ON/OFF Power button 5. Backlight and▲ button 6. MODE button 7. Unit Button 8. SET and▼ button 9. RECORD button 10. Hold Button LCD Description 1. Air Velocity 2. Record 3. Max 4. Min 5. Hold 6. Air Flow 7. Battery Indicator 8. Auto Power OFF 9. Unit of Measure 10. Temperature Units 11. Lower LCD Display 12. Upper LCD Display 13. Type K Temperature 3 AN510-en-GB_V1.
Operation Power Short press the power button to power the meter ON or OFF. The meter will begin displaying readings for the mode selected. If the LCD does not switch on, check the batteries located in the rear battery compartment. Backlight The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Press the backlight button to turn the backlight on. The backlight will automatically turn off after 10 seconds.
SET Function (APO On/Off, Temperature Units and Air Flow Units Settings) 1. Press and Hold the ▼ button for 2 seconds. The yes or no APO display will appear: 2. Press the ▲ or ▼ button to turn the APO ON (YES) or OFF (NO). 3. Press the R button to save the selection. 4. The temperature units display will appear: 5. Press the ▲ or ▼ button to change the degree F or degree C units. 6. Press the R button to save the selection. 7. The Air Flow units display will appear: 8.
MAX-MIN Recording In this mode, the meter records the maximum and minimum values over time. 1. Short press the R button to enter the Record mode. The record icon will appear on the display. The maximum and minimum values will be recorded and updated during the measurement period. 2. Short press the R button to stop the Max-Min recording. The that occurred during the recording period will be displayed. 3. Short press the R button to display the during the recording period. 4.
Specifications General Display Backlit LCD 35 x 30mm (1.38 X 1.18 ”) Sensor Air velocity: Low friction ball bearing; Air Temperature: thermistor Measurements Air Velocity, Air Temperature, Air Flow, Type K thermometer Tripod mount On back of meter Operating Humidity 80% RH Max Operating Temperature 0 to 50°C (32 to 122°F) Over Limit Display “- - - -“ Power Supply 3 x 1.5V AAA batteries Power Consumption Approximately 5mA DC Weight 136g (4.8 oz.) Dimensions (HxWxD) 141x 57x 25mm (5.
Useful Equations and Conversions AREA equation for rectangular or square ducts Height (H) Area (A) = Width (W) x Height (H) Width (W) Area equation for circular ducts Radius Area (A) = πx Where = 3.14 and r2 = radius x radius π r2 Cubic equations CFM (ft3/min) = Air Velocity (ft/min) x Area (ft2) CMM (m3/min) = Air Velocity (m/sec) x Area (m2) x 60 NOTE: Measurements made in inches must be converted to feet or meters before using the above formulae.
