Extech Instruments 42509 Manual de usuario descargar pdf (Pagina 4)

42509-en-GB_V1.4 12/14

Operating Instructions

Temperature Measurements

1. Hold the meter by its handle and point it toward the surface to be measured.

2. Pull and hold the trigger to turn the meter on and begin testing. The temperature reading, MAX

temperature reading, the ‘SCAN’ icon, the emissivity value, and the unit of measure will appear.

3. Release the Trigger and the reading will hold for approximately 7 seconds (HOLD will appear on

the LCD) after which the meter will automatically shut off. If LOCK mode is enabled, the unit will

not automatically shut off.

Note: Select the temperature units (ºF/ºC) using the switch inside the battery compartment

Dual Laser Pointer

The meter has a distance to target ratio of 12:1. The dual laser pointers

are designed to indicate the 12” distance when the laser pointers

converge. The spot size at this distance is a 1” diameter. This is the

recommended distance for most measurements. To turn the lasers

on/off:

1. Press and release the Trigger

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

turn the lasers on or off. The new status will appear with the next

trigger pull.

3. The laser icon will appear in the LCD when the laser function is

enabled.

4. The status of the laser will be stored in memory and will remain as

the “turn-on” condition until changed.

@12”

1”

@24”

2”

@6”

0.5”

@30cm

2.5cm

@61cm

5cm

@15cm

1.25cm

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Extech Instruments 42509 Manual de usuario Pagina 4