background image

            

 

User

 

Manual

 

 

 

InfraRed

 

Thermometer

 

With

 

Laser

 

Pointer

 

and

 

High/Low

 

Alarms

 

 

Model

 

IR270

 

 

 

Additional

 

User

 

Manual

 

Translations

 

available

 

at

 

www.extech.com

 

Summary of Contents for IR270

Page 1: ...User Manual InfraRed Thermometer With Laser Pointer and High Low Alarms Model IR270 Additional User Manual Translations available at www extech com ...

Page 2: ...mperature units F C Battery status indication Safety International Safety Symbols This symbol adjacent to another symbol or terminal indicates the user must refer to the manual for further information Warnings o Do not directly or indirectly point the laser at the eyes of a person or an animal o Inspect for damage or for any shortage of parts or accessories before use o Replace the battery immedia...

Page 3: ... Scan mode The icon flashes while the trigger is pulled The displayed reading represents the temperature of the scanned surface 2 Data hold mode Reading is held after trigger is released 3 Primary display Surface temperature reading 4 Datalogger mode 5 Secondary display mode icons EMS MAX MIN DIF AVG HAL LAL 6 Secondary Display value 7 Battery status icon Flashes when battery voltage is critically...

Page 4: ...nd then the meter will automatically shut off 5 Refer to the Field of View section for distance to target spot ratio considerations 6 The meter defaults to the programmed conditions in use when the meter was last switched OFF For example if the laser is set to default to ON and the temperature units are set to o F at the time the unit is switched OFF the unit will switch ON and use the same settin...

Page 5: ...mpensates for deviations in ambient temperature but it can take up to 30 minutes for the meter to adjust to wide ambient temperature changes 7 To find a hot spot aim the meter outside the area of interest then scan in an up and down motion until the hot spot is located Secondary Display Modes The secondary display area is located on the bottom of the meter s LCD You can step through the secondary ...

Page 6: ...ngs recorded during the last measurement scan performed High Alarm Limit HAL Use the M button to step to the HAL parameter Use the arrow buttons to set the High Alarm limit While measuring the meter beeps when the displayed reading is higher than the high alarm setting If the backlight is on the backlight color will turn red in a high alarm condition Low Alarm Limit LAL Use the M button to step to...

Page 7: ...applied to cover the measured surface Wait a period of time to allow the tape or paint to reach thermal equilibrium with the surface of the covered object Measure the temperature of the surface covered with tape or paint only Emissivity Factors for Common Materials Material under test Emissivity Material under test Emissivity Asphalt 0 90 to 0 98 Cloth black 0 98 Concrete 0 94 Skin human 0 98 Ceme...

Page 8: ...atteries When the battery icon flashes or when the meter does not switch ON replace the battery The battery compartment is located in the meter handle The battery compartment cover is located just below the trigger Pry the compartment cover loose from the top of the compartment to open the compartment Replace the 9V battery following correct polarity and then close the battery compartment before u...

Page 9: ...power Class 2 1mW 650nm 10nm IR Spectral response 8 14 µm Repeatability 0 5 rdg or 1 C 1 8 F whichever is greater General Specifications Display Backlit LCD with multifunction indicators Response time 150ms Out of range indicator HI for over range Operating temperature 0 C 50 C 32 F 122 F Operating relative humidity 10 90 RH Storage temperature 10 C 60 C 14 F 140 F Storage relative humidity 80 RH ...

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