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OS425-LS (with white LED Flashlight)

Thermometer

T

Thermometer

Operating Instructions

Operating Instructions

Simply aim the thermometer at the measure target with Lens (_

8

) and press Meas. key (_

6

) to

display the surface temperature. The Distance:Spot is 50:1. The two laser points are the reference for the
target spot size. Please make sure the target area is within the field of view.

FUNCTION

Press Emissivity key (_

1

) for setting the emissivity

Press Emissivity key (_

1

), then press Up key (_

4

) or Down key (_

2

) to

set the emissivity

, then press

Mode key (_

5

) to confirm it. The emissivity can be changed from 0.10 (10E) to 1 (100E).

Press Mode key (_

5

) for scrolling more display function as follows.

Here will show the emissivity data. (The default emissivity is 0.95.)

Press Mode key (_

5

) for the

Maximum (MAX), Minimum (MIN), Different between MAX and

MIN (DIF) and Average (AVG) modes. During the measurement, the special modes reading will
be displayed beside the mode icon.

Press Up key (_

4

) or Down key (_

2

) key to change the

 High Alarm (HAL) 

or

 Lo Alarm (LAL)

, then

press Meas. key (_

6

) to confirm it. For example: When the reading 26.9

o

C < LAL 27

 o

C, the Low icon

will flash and you will hear a beep sound.

** The thermometer will automatically shut off if left idle for more than 60sec.

ADD VALUE

Press Up key (_

4

) for

LOCK mode

ON/OFF. The lock mode is particularly useful for

continuous monitoring of temperatures for up to 60 minutes.

In MAX, MIN, DIF,
AVG mode:

Press Down key (_

2

) for

o

C

or

o

F transferred.

and press Up key (_

4

) for

backlight

function

ON/OFF.

In all modes: First
hold on the Meas.
key (_

6

)

and press Down key (_

2

) for

 laser circle/dot function 

ON/OFF.

  

(With flash light be turned on in the same time as laser )

(Default Screen)

U.S. PAT. B1 5,368,392; 5,524,984; 5,727,880; 5,823,678; 5,823,679; 6,123,453; 6,267,500 B1; 6,341,891 B1; 6,377,400 B1; 6,540,398 B2 ; 
6,614,830 B1; 6,633,434 B2; 6,659,639; 6,901,089 B1, 7,052,175 / Canada 2,114,806; 2,317,734 / France 2 756 920; 2 767 921; 2,773,213; 2 773 
214 / Germany G 94 22 197.9; G 94 22 203.7, 19828454/ Holland 1007752; / U.K. Registered 2,237,493; 2,320,324; 9726133.3 / EPO 0 644,408 
B2; EPO 1 085 307 A1, EPO 1 065 484 B1, EPO 1 065 483 B1. Other U.S. and International Patents Pending.

The OS425-LS is a non-contact infrared thermometer with mathematical modes for the Infrared function.

Circle/Dot
Laser

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