42520_user_manual操作说明书手册

EXTECHINSTRUCTION MANUALINSTRUMENTSModel 42520IR Thermometer.Precise non-contact Measurements3出a78..Switchable C/F Temperature units●Automatic Data Hold·Laser target pointer1.INTRODUCTIONCongratulations on your purchase of Extech's 42520 IR Themometer.This professionalmeter,with proper care,will provide years of safe reliable service.2.SAFETYCAUTIONLaser RadiationCAUTIONUse extreme caution when the laser beam is ON.Do not let the beam enter your eye,anotherLASER RADIATIONperson's eye,or the eye of an animal.DO NOT STARE INTO BEAMBe careful not to let the beam from a reflectivesurface strike your eye.DIODE LASER1@Dna车7用Do not use the laser near explosive gases or inCLASS II LASER PRODUCTother potentially explosive areas.42520e5Ver.1.78/00