Extech Instruments AN200 User Manual
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Extech Instruments AN200 User Manual

Cfm/cmm thermo anemometer + infrared thermometer
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Enlarged version
User's Manual
CFM/CMM Thermo Anemometer +
InfraRed Thermometer
Model AN200
cf m / cmm
A
nemometer
T
hermometer
AN200
UNITS
NEXT
RECALL
AREA
PROBE
TEMPERATURE

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Summary of Contents for Extech Instruments AN200

  • Page 1 User's Manual CFM/CMM Thermo Anemometer + InfraRed Thermometer Model AN200 cf m / cmm nemometer hermometer AN200 UNITS NEXT RECALL AREA PROBE TEMPERATURE...
  • Page 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-to-read backlit LCD includes primary and secondary displays plus numerous status indicators.

  • Page 3: Specifications

    2 to 3 hours approx.) 8.3 mA DC approx. Battery current 1.6 lbs. (725g) including battery & probe Weight Main instrument: 7.0 x 2.9 x1.2" (178 x 74 x 33mm) Dimensions Sensor Head: 2.75” (70mm) Diameter AN200 V2.1 05/07...

  • Page 4: Meter Description

    • MAX/MIN (Temperature) Press to record and store the highest, lowest readings for air temperature. HOLD (Temperature) Press to freeze the displayed temperature reading. Press again to • unlock the display. AVG Press and hold to enter averaging mode. Averages up to 20 readings. • AN200 V2.1 05/07...

  • Page 5: Display Layout

    RECORD: indicates that min/max function is running (top for temp, bottom for air) • Large LCD digits at center of display for Relative Humidity and IR Temperature • Smaller LCD digits at top, right of display for Probe Temperature • : Low battery indicator AN200 V2.1 05/07...

  • Page 6: Operation

    5. To return to standard velocity measuring mode press and hold AVG button until meter beeps twice. Note: In the standard velocity measuring mode, press the AVG button once to recall the previous average. The average will be cleared when you enter the Averaging Mode again. AN200 V2.1 05/07...
  • Page 7 4. Repeat steps 2 - 3 until all desired points have been measured. 5. Press the AREA button to clear the multipoint averaging memory. 6. To return to standard airflow measuring mode press and hold AVG button until meter beeps twice. AN200 V2.1 05/07...
  • Page 8 4. Press the MAX/MIN button again to display current readings. NOTE: the meter will keep recording MAX/MIN/AVG readings. 5. To clear and stop MAX/MIN/AVG recording and return to normal operation, press the AREA button once when displaying the current reading. AN200 V2.1 05/07...
  • Page 9 3. “dis APO” will appear in the display. The AUTO POWER OFF feature will now be disabled. 4. Note that AUTO POWER OFF is re-enabled each time the meter is turned on. 5. Also note that AUTO POWER OFF is disabled in CFM/CMM mode. AN200 V2.1 05/07...

  • Page 10: Battery Replacement

    1. Disconnect the vane. 2. Remove the meter’s rubber protective jacket 3. Use a Phillips screwdriver to open the rear battery compartment 4. Replace the 9V battery 5. Close the battery compartment and replace the meter’s protective jacket AN200 V2.1 05/07...

  • Page 11: Infrared Measurement Considerations

    Allow time for the tape to reach the same temperature as the material underneath then measure the temperature of the tape or the painted surface. AN200 V2.1 05/07...
  • Page 12 Timber 0.90 Ceramic 0.90 to 0.94 Paper 0.70 to 0.94 Marble 0.94 Chromium oxides 0.81 Plaster 0.80 to 0.90 Copper Oxides 0.78 Mortar 0.89 to 0.91 Iron Oxides 0.78 to 0.82 Brick 0.93 to 0.96 Textiles 0.90 AN200 V2.1 05/07...

  • Page 13: Useful Equations And Conversions

    Unit of Measure Conversion Table ft/min knots km/h 1 m/s 196.87 1.944 2.24 1 ft/min 0.00508 0.00987 0.01829 0.01138 1 knot 0.5144 101.27 1.8519 1.1523 1 km/h 0.2778 54.69 0.54 0.6222 1 MPH 0.4464 87.89 0.8679 1.6071 AN200 V2.1 05/07...

  • Page 14: Warranty

    Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.

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