Extech HD500 - Manuals

HD500-en-GB_v3.4 4/15 3 Meter Description 1. Humidity & Air Temperature Sensor 2. Type K Thermocouple input jack 3. Laser pointer beam 4. IR temperature sensor 5. USB Interface 6. LCD Display 7. Upper display HOLD button 8. Upper display Temp./Wet Bulb/Dew Point button 9. Upper display record Ma...

HD500-en-GB_v3.4 4/15 4 Operation Basic Measurements 1. Press the button to turn power on. 2. The upper display will indicate Air Temperature, Wet Bulb Temperature or Dew Point Temperature and % Relative Humidity. Press the WB/DP button to toggle between Air, WB or DP. 3. The lower display will indi...

HD500-en-GB_v3.4 4/15 6 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 t...