User`s Manual - General Technologies Corp.
Contents
1. When the backlight is not needed turn it off to prolong battery life 4 4 3 MAX and MIN functions In every measuring cycle a measuring cycle starts when the Measuring trigger is pressed and finishes when the Measuring trigger is released the instrument will automatically store in its internal memory the maximum and minimum values measured To retrieve these values from memory follow the procedure described below e With the instrument on press once the MAX button the MAX indicator will appear on the display and the maximum value stored in memory will be shown Once the MAX function is selected if the Measurement trigger is pressed again the maximum value will be cleared and then updated with the new measurements To turn the MAX function off press the MAX button once e With the instrument on press once the MIN button the MIN indicator will appear on the display and the minimum value stored in memory will be shown Once the MIN function is selected if the Measurement trigger is pressed again the minimum value will be cleared and then updated with the new measurements To turn the MIN function off press the MIN button once Note The values stored in memory maximum and minimum will be deleted when the unit turns itself off automatic shut off or when a new measuring cycle is started 5 MAINTENANCE 5 1 Battery replacement e When the battery is depleted a2. or shaft to measure following theserecommendations The non reflective area must always be larger than the reflective piece of tape If the object or shaft to be measure is reflective it must first be covered with a black tape or painted black before attaching the reflective tape Before applying the tape ensure that the surface is clean and smooth 4 3 4 Very low RPM measurements The response time will vary with the rotational speed being measured therefore when measuring very slow rotating parts it may be advantageous to follow the procedure below to increase the update rate of the measurement Depending on the size of the rotating object or shaft attach multiple reflective marks evenly spaced along its circumference Proceed to measure RPM as described in 4 3 1 and divide the reading by the number of reflective marks in order to obtain the correct RPM 4 4 Other Functions 4 4 1 Display hold e The instrument will automatically hold the last display reading when the Measurement trigger is released and hold it until the Measurement trigger is pressed again or the unit turns itself off automatic shut off 4 4 2 Display backlight e Make sure the instrument is turned ON if it is not press the Measurement Trigger e Pressing the Display backlight button will turn the display backlight ON or OFF When the backlight is on the Backlight indicator will be shown in the display e
3. iece of reflective tape to the rotating object under measurement Press the Measurement trigger and verify that the RPM Indicator is shown in the display If the RPM function is not selected press the RPM COUNT button once to select the RPM function Press the Measurement trigger and aim the laser beam at the reflective mark or tape on the rotating object Verify that the On Target indicator appears on the display indicating that the instrument is detecting the rotation of the object and the reflective mark on it Proceed to read the RPM on the digital display 4 3 2 COUNT function e Apply a reflective mark or a piece of reflective tape to the rotating object under measurement Press the Measurement trigger and verify that the COUNT Indicator is shown in the display If the gt COUNT function is not selected press the RPM COUNT button once to select the COUNT function Press the Measurement trigger and aim the laser beam at the reflective mark or tape on the rotating object e Verify that the On Target indicator appears on the display indicating that the instrument is detecting the rotation of the object and the reflective mark on it e Proceed to read the revolution count on the digital display 4 3 3 Reflective marks e Cuta 1 2 1 25 cm length of the reflective tape provided peel off the backing to expose the adhesive and attach it to the rotating part
4. nd needs to be replaced the Low battery warning symbol will appear on the lower left hand side of the display Pull to open battery cover e To replace the battery open the battery compartment cover located at the front of the handle by pulling on the finger indents near the trigger and remove the battery e Replace with a new 9 V alkaline battery type NEDA 1604 or IEC6F22 observing the proper polarity when connecting to the battery terminals e Close the battery cover 5 2 Cleaning 5 2 1 Lens cleaning Debris or dirt on the lens may cause obstruction and reduce the accuracy of the tachometer If this occurs either wipe the lens with a Q tip moistened with water only or blow the loose particles off with clean compressed air Do not use solvent on the lenses as it may damage the instrument 5 2 2 Exterior cleaning Periodically wipe the case with a soft damp cloth and mild household cleanser Do not use abrasives or solvents ensure that no water gets inside the instrument to prevent possible short circuits and damage 6 WARRANTY One year limited warranty excluding batteries and fuses For details see the Standard Warranty Information on our web page or you may request a printed copy General Technologies Corp 121 7350 72nd Street Tel 604 952 6699 Fax 604 952 6690 www generaltechnologies net Delta BC Canada V4G 1H9 Copyright 2009 General Technologies
5. pprox 5 hours w alkaline batteries Power saving Automatic shut off after 10 seconds Dimensions 3 13 x 1 88 x 7 0 80 x 48 x 178 mm Weight 7 6 oz 215 g including battery Accessories User s manual soft pouch 3 x 20 cm reflective autoahesive tape and 9 V alkaline battery 3 2 Measurement Specifications e Accuracies are of reading number of least significant dig its at 23 C 5 C ambient temperature with less than 75 RH C reon Raves neay osoon Oom 1 to 99 999 RPM 0 05 1 Digit 1 RPM a cad 1 to 99 999 0 05 1 Digit 1 COUNT TA110 Laser Optical Tachometer 4 OPERATION 4 1 Instrument Description 1 Digital display 2 Display backlight button 3 Minimum button ORWN gt 4 Maximum button 5 RPM Count button 6 Laser output 7 Measument trigger 8 Battery compartment cover 4 2 Display Description HOLD indicator On Target indicator e Depleted battery _ A gt HOLD X A Laser output warning warning CUO v reading MAX indicator MAX MIN COUNT RPM RPM indicator MIN indicator COUNT indicator Backlight indicator 4 3 Measurement Procedures N CAUTION Avoid contact with moving and or hot components to prevent personal injury or damage to the instrument N CAUTION Laser radiation is emitted Avoid direct eye contact 4 3 1 RPM Measurement Reflective Laser beam tape 2 to 20 5 to 50 cm e Apply a reflective mark or a p
6. yr A GTZ General Technologies Corp 1 SAFETY RULES e This instrument is designed for indoor use at temperatures between 32 F and 122 F 0 C to 50 C and altitudes up to 6500 ft 2 000 m and 10 to 90 relative humidity e To ensure that the instrument is used safely follow all safety and operating instructions in this manual If the instrument is not used as described in this operation manual the safety features of this device may be impaired e To avoid personal injury and damage to the instrument use extreme caution when working around hot or moving objects or machinery i e radiators exhaust manifolds catalytic converters drive belts fly wheels 2 INTERNATIONAL SYMBOLS Important information Refer to the User s Manual CAUTION Laser radiation AVOID DIRECT EYE EXPOSURE 1mW Output at 630 670 nm Class II Laser Product 3 TECHNICAL SPECIFICATIONS 3 1 General Specifications Display 5 digit 0 7 16mm LCD max of 99999 display with measuring unit indicator and Laser On Target indicator Accuracy 0 05 1 Digit Operating temperature Response time Range selection Memory 32 F to 122 F 0 C to 50 C 0 5 sec over 120 RPM Auto Ranging Maximum Minimum and display hold 2 to 20 50 mm to 500 mm Laser Diode lt 2mW output wavelength 630 670 nm Class II 9 volt battery type NEDA 1604 IEC6F22 IEC 6LR61 Distance to target Laser pointer Power source Battery life A
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