Extech Instruments 42512 Скачать руководство пользователя страница 5

42512  V7.0   03/08 

MAX (maximum) temperature display 

The highest reading encountered during a single measurement scan is displayed in the 
MAX display

 

 

Backlight 

1.  Press and release the Trigger

 

2.  While HOLD is on the display, press the backlight button      once to turn on the 

backlight on or off.

 

3.  The backlight will illuminate in the LCD when the feature is enabled.

 

4.  The status of the backlight will be stored in memory and will remain as the “turn-on” 

condition until changed.

 

5.  Note: The backlight will shorten the battery life. Only use this feature when required.

 

 

The MODE button options 

The MODE button is used to access the Emissivity, Lock, High alarm and Low alarm 
features of the instrument. 
1.  Press and release the Trigger

 

2.  While HOLD is on the display, press the MODE button to step through and program the 

following features. A blinking icon indicates the feature is selected.

 

 

E

= (Emissivity Value) 

Press the 

 or 

 buttons to change the emissivity value. 

      (Lock mode On/Off) 

Press the 

 or 

 buttons to turn the lock feature ON or OFF. 

      (High Alarm On/Off) 

Press the 

 or 

 buttons to turn the High Alarm feature ON or OFF. 

     (High Alarm setting) 

Press the 

 or 

 buttons to set the high alarm limit value in the main display  

     (Low Alarm On/Off) 

Press the 

 or 

 buttons to turn the High Alarm feature ON or OFF. 

     (Low Alarm setting) 

Press the 

 or 

 buttons to set the Low alarm limit value in the main display. 

 

 

 

Содержание 42512

Страница 1: ...User Manual Dual Laser InfraRed IR Thermometer MODEL 42512 ...

Страница 2: ...ebsite at www extech com click on Contact Extech and go to Service Department to request an RA number A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse impro...

Страница 3: ...C Switch compartment DISPLAY 1 SCAN measurement in progress 2 HOLD last measurement locked in display 3 Laser pointer active 4 Power locked ON 5 High limit alarm 6 Low limit alarm 7 C or F temperature units 8 Main temperature display 9 Low battery icon 10 MAX icon 11 Emissivity setting 12 Emissivity icon 13 Max temperature display ...

Страница 4: ...f The only exception to this is if the LOCK mode is set to ON Note Select the temperature units ºF ºC using the switch inside the battery compartment Dual Laser Pointer The dual laser pointers are designed to cross at a distance of 30 76cm The spot size at this distance is a 1 diameter and this is the recommended distance to target for most measurements To turn the lasers on off 1 Press and releas...

Страница 5: ... The MODE button is used to access the Emissivity Lock High alarm and Low alarm features of the instrument 1 Press and release the Trigger 2 While HOLD is on the display press the MODE button to step through and program the following features A blinking icon indicates the feature is selected E Emissivity Value Press the or buttons to change the emissivity value Lock mode On Off Press the or button...

Страница 6: ...ature disables the Auto Power Off feature for the period of use when selected The feature is useful for long term temperature monitoring and hands free use The meter will revert to auto power off if the trigger is pressed during a locked scan Over range Indication If the temperature measurement exceeds the specified temperature range the thermometer will display dashes in place of a temperature re...

Страница 7: ...e meter automatically compensates for deviations in ambient temperature However it can take up to 30 minutes for the meter to adjust to extremely wide changes 7 To find a hot spot aim the meter outside the area of interest then scan across in an up and down or side to side motion until the hot spot is located Field of View The meter s field of view is 30 1 For example if the meter is 30 inches fro...

Страница 8: ...at black finish For the Model 42515 the emissivity is adjustable from 0 1 to 1 00 Most organic materials and painted or oxidized surfaces have an emissivity factor of 0 95 When in doubt set the emissivity to 0 95 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 Cement 0 96 Leath...

Страница 9: ... to 1 00 adjustable Field of View D S Approx 30 1 ratio D distance S spot or target Laser pointer Dual Class 2 laser 1mW power Wavelength is 630 to 670nm IR Spectral response 8 to 14 μm wavelength Repeatability 0 5 of reading or 1 8 o F 1 o C whichever is greater General Specifications Display Backlit LCD display with function indicators Response time 150ms Over range indication Operating Temperat...

Страница 10: ...struments Corporation 285 Bear Hill Rd Waltham MA 02451 Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter perform...

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