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Summary of Contents for General LT2234C
- Page 1 LT2234C User’s ManUal NON-CONTACT TACHOMETER 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Please read this manual carefully and thoroughly before using this product.
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction ......3 Key Features......4 Safety Instructions. -
Page 3: Introduction
Thanks to its five-digit display and the use of a non-contact meas- urement technique, the tachometer can measure the speeds of shafts spinning at up to 99,999 rpm. The LT2234C is powered by three “AAA” batteries (included). -
Page 4: Key Features
WHAT’S IN THE CASE The LT2234C comes fully assembled in a hard carrying case along with fresh batteries, two 24 in. (600mm) long strips of 1/2 in. (12mm) wide adhesive reflective tape and this user’s... -
Page 5: Product Overview
Figure 1 shows all of the controls and indicators and other physical features of the LT2234C. Familiarize yourself with their positions before moving on to the setup procedure. Fig. 1. The LT2234C’s controls and indicators and other physical features 1-1 Reflective tape (on spinning shaft) -
Page 6: Setup Instructions
SETUP INSTRUCTIONS INSTALL BATTERIES Install the three “AAA” batteries that came with the instru- ment in its battery compartment. To open the compartment, remove the Phillips head screw holding its cover (callout 1-6) in place and slide it away. When installing the batteries, use the + and –... - Page 7 3 o’clock and 9 o’clock and perform Step 4, but now divide the display reading by four. 2. If bright ambient light is preventing the LT2234C from receiving the reflected beam, try shading the target.
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Page 8: Storing And Recalling
STORING AND RECALLING MEASUREMENTS The LT2234C can store up to 96 measurements of rpm and recall them in the order in which they were made and stored. Individual measurements or series of measurements can only be stored while the Measure button is pressed and held. - Page 9 tween showing the highest value and “UP”. Also note that releasing the MEM button powers off the display and the instrument. 2. The second option is to press the MEM button twice and hold it. Doing so again illuminates the display, but now it shows the last reading you stored, in- dicated by and alternating with the letters “LA”.
- Page 10 To complete your understanding of the tachometer’s memory function, make and store a set of five rpm measurements, remembering not to push the Measure button until you are finished. Then press and hold the MEM button as many times as needed to make the display go into countdown mode. Note that because you have stored five measurements, the display will read “AN 5”...
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Page 11: Specifications
SPECIFICATIONS Measurement range 2.5 to 99,999 rpm Measurement resolution 0.1 rpm for readings below 999.9 rpm; 1 rpm for readings above 1,000 rpm Measurement accuracy ±0.05% of reading plus one digit Sampling time 0.8 seconds at speeds over 60 rpm Memory capacity 96 measurements Recallable measurements... -
Page 12: Maintenance Tips
Operating temperature range 32º to 122ºF (0º to 50ºC) @ up to 80% relative humidity MAINTENANCE TIPS The LT2234C requires no regular maintenance other than light cleaning of the plastic housing and display with a soft, dry cloth. When the icon appears on the display, it’s time to... -
Page 13: Warranty Information
Acceptance of the exclusive repair and replacement remedies described herein is a condition of the contract for purchase of this product. In no event shall General be liable for any in- cidental, special, consequential or punitive damages, or for any cost, attorneys’ fees, expenses, or losses alleged to be a... -
Page 14: Return For Repair Policy
Customer Service to obtain an RGA (Return Goods Authorization) number before forwarding the unit via prepaid freight to the attention of our Service Center at this address: General Tools & Instruments 80 White Street New York, NY 10013 212-431-6100... - Page 15 NOTES ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________...
- Page 16 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Specifications subject to change without notice ©2010 GENERAL TOOLS & INSTRUMENTS NOTICE - WE ARE NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS. MAN#LT2234C 12/09/10...