General-tools-and-instruments LT2234C Bedienungsanleitung

NON-CONTACT TACHOMETERPlease read this manual carefully and thoroughly before using this product.LT2234CUser’s ManUal

To complete your understanding of the tachometer’s memoryfunction, make and store a set of five rpm measurements,remembering not to push the Measure b

SPECIFICATIONSMeasurement range 2.5 to 99,999 rpmMeasurement resolution 0.1 rpm for readings below999.9 rpm; 1 rpm for readings above 1,000 rpmMeasure

Current consumption 45mADC for display; 35mADC for laser diodeOperating temperature range32º to 122ºF (0º to 50ºC) @ up to 80% relative humidityMAINTE

WARRANTY INFORMATIONGeneral Tools & Instruments’ (General’s) LT2234C Non-Con-tact Tachometer is warranted to the original purchaser to befree from

RETURN FOR REPAIR POLICYEvery effort has been made to provide you with a reliableproduct of superior quality. However, in the event your instru-ment r

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GENERAL TOOLS & INSTRUMENTS80 White StreetNew York, NY 10013-3567PHONE (212) 431-6100FAX (212) 431-6499TOLL FREE (800) 697-8665e-mail: sales@gener

TABLE OF CONTENTSIntroduction . . . . . . . . . . . . . . . . . . . . . . . . 3Key Features. . . . . . . . . . . . . . . . . . . . . . . . 4Safety I

INTRODUCTIONThank you for purchasing General Tools & Instruments’ ModelLT2234C Non-Contact Tachometer. Please read this user’smanual carefully and

KEY FEATURES• Uses non-contact measurement technique andautoranging• Wide measurement range and high resolution• Backlit 0.7-in. high display supports

PRODUCT OVERVIEWFigure 1 shows all of the controls and indicators and otherphysical features of the LT2234C. Familiarize yourself withtheir positions

SETUP INSTRUCTIONSINSTALL BATTERIESInstall the three “AAA” batteries that came with the instru-ment in its battery compartment. To open the compartmen

4. Make the measurement. Turn on the motor or generator.Cradling the tachometer in your right hand, move it asclose to the shaft as possible, but no c

STORING AND RECALLING MEASUREMENTSThe LT2234C can store up to 96 measurements of rpm andrecall them in the order in which they were made and stored.In

tween showing the highest value and “UP”. Also note thatreleasing the MEM button powers off the display and theinstrument.2. The second option is to p