Extech AN200 Manual - Free PDF Download

Page 2 - CAUTIONS; Do not directly view or direct the laser pointer at an eye.

AN200-EU-EN-V2.5-6/13 2 Introduction Congratulations on your purchase of the Extech AN200 CFM/CMM Thermo Anemometer with InfraRed Thermometer. This instrument measures Air Velocity, Air Flow (volume), Air Temperature (with probe) and Surface Temperature (with the InfraRed function). The large, easy-...

Page 3 - Meter Description; HOLD

AN200-EU-EN-V2.5-6/13 3 Meter Description 1. Power ON/OFF button 2. Probe input jack 3. Laser pointer 4. IR Sensor 5. Rubber holster 6. LCD Display 7. IR thermometer measurement button 8. Airflow buttons (4) 9. Air Temperature function buttons (2) 10. Vane 11. Airflow Average button 12. Backlight bu...

Page 4 - Keypad; UNITS

AN200-EU-EN-V2.5-6/13 4 Keypad • Press to turn the meter ON or OFF • IR + Laser Pointer Press and hold to measure. • MAX/MIN (Airflow) Record and store the highest and lowest airflow or velocity readings. ◄ (LEFT) also serves as change decimal point button in AREA mode • UNITS Press to select the mo...

Page 5 - Display Layout

AN200-EU-EN-V2.5-6/13 5 Display Layout  MAX (top of LCD): Max Hold function engaged for the Air Temperature function  HOLD (top of LCD): Data Hold function engaged for the Air Temperature function  PROBE TEMP : Reminder that the top LCD digits represent Air (Vane) Temperature  : Indicates that t...

Page 6 - Operation; Side view of Vane

AN200-EU-EN-V2.5-6/13 6 Operation Connecting the Vane 1. The vane plug is inserted in the meter’s sensor jack at the top of the meter. The plug and jack are keyed so that the plug can only fit in the jack one way. 2. Turn the plug carefully until it lines up with the jack and then firmly push the pl...

Page 9 - Battery Replacement; EU Battery ordinance

AN200-EU-EN-V2.5-6/13 9 InfraRed (Non-Contact) Temperature Measurements 1. The IR sensor is located at the top of the meter. 2. Point the sensor toward the surface to be measured. 3. Press and hold the red IR button to begin measuring the surface temperature of a desired target. IR TEMP and will app...

Page 10 - Specifications

AN200-EU-EN-V2.5-6/13 10 Specifications Air Velocity Range Resolution Accuracy m/s (meters per sec) 0.40 - 30.00 m/s 0.01 m/s ± (3%rdg + 0.20 m/s) km/h (kilometers/hour) 1.4 - 108.0 km/h 0.1 km/h ± (3%rdg + 0.8 km/hr) ft/min (feet per minute) 80 – 5900 ft/min 1 ft/min ± (3%rdg + 40 ft/m) mph (miles ...

Page 11 - InfraRed Measurement Considerations; IR Theory

AN200-EU-EN-V2.5-6/13 11 InfraRed Measurement Considerations  When taking IR measurements the meter automatically compensates for ambient temperature changes. Note that it may take up to 30 minutes to adjust to extremely wide ambient changes.  Low temperature measurements quickly followed by high ...

Page 13 - Useful Equations and Conversions; Area equation for rectangular or square ducts; Unit of Measure Conversion Table

AN200-EU-EN-V2.5-6/13 13 Useful Equations and Conversions Area equation for rectangular or square ducts Area equation for circular ducts Cubic equations NOTE: Measurements made in inches must be converted to feet or meters before using the above formulae. Unit of Measure Conversion Table m/s ft/min ...