User`s Manual
Contents
1. he Measurement Trigger is kept pressed the instrument will continuously measure and update the display with the temperature of the object pointed at with the IR Sensor e After the Measurement Trigger is released the instrument will hold the last temperature reading for 7 seconds then shut off automatically 4 3 2 Field of view or measurement target area Spot D 10 E D e To ensure accurate temperature measurements make sure that the target object is larger than the unit spot size at the measuring distance e The smaller the target the closer you should be e For maximum accuracy make sure that the target area is at least twice as large as the spot size 4 3 3 Selecting Temperature Units C F e Make sure the instrument is turned ON if not press the Measurement Trigger e Pressing the C F button will switch between Celsius and Fahrenheit Degrees as the temperature measurement units The temperature reading and selected measurement units will be displayed on the LCD 4 4 ThermoSounder 4 4 1 Introduction The ThermoSounderis a feature of your LTX12 that facilitates finding temperature variations or differentials e g cold and hot spots quickly and easily by providing a sound that varies proportionally to temperature differences 4 4 2 Activating the ThermoSounder function e Make sure the instrument is turned ON if not press the Measurement Trigger e Pressing the button will tu2. ht ON OFF Button will turn the display backlight ON or OFF e When the backlight is not needed turn it off to prolong battery life 4 5 3 Laser Pointer N CAUTION Laser Radiation is emitted Avoid direct eye contact e To turn the laser sight ON or OFF press the LASER button when the unit is ON The laser sight indicator will appear on the display when the laser sight function is ON 5 MAINTENANCE 5 1 Battery Replacement e When the battery is low and needs to be replaced the Low Bat tery Warning symbol will appear on the lower left hand side of the display Pull to open battery cover Battery 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 thermometer 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 house hold cleanser Do not use abrasives or solvents Ensure
3. matic shut off after 7 seconds Power Source Battery life Power Saving Wavelength 7 to 14 um 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 and 9 V alkaline battery 3 2 Measurement Specifications e Accuracies are of reading number of least significant digits at 23 C 3 C 73 F 6 F ambient temperature with less than 75 relative humidity Temperature 0 1 C ie 0 C to 199 9 C 1 C or 1 5 2 whichever is greater or TIE Temperaire 32 F to 199 9 F 2 F or 1 5 4 whichever is greater LTX12 Infrared Thermometer with Laser Sight with ThermoSounder 4 OPERATION 4 1 Instrument Description 1 LCD Display 2 Backlight ON OFF Button 3 C F Select Button 4 ThermoSounder Button 5 LASER ON OFF Button OBRWNM 6 IR Sensor 7 Laser pointer output 8 Measurement Trigger 9 Battery compartment cover 4 2 Display Description pase e z Continuous measure Backlight on Low battery warning gt wedinenou gt Display on hold Temperature readout o lH H n F ThermoSounder on I IR F scale selected C scale selected Measuring mode 4 3 Measurement Procedures 4 3 1 Temperature Measurement e Hold the instrument by its handle point the IR Sensor at the area or object to measure and press the Measurement Trigger e While t
4. rn on and off the ThermoSounder function e The ThermoSounder indicator will display on the LCD when activated 4 4 3 Using the ThermoSounder function Activate the ThermoSounder function as described in 4 4 2 Point at the area or object whose temperature you want to use as reference and press the Measurement Trigger e The LTX12 will use the reference temperature to generate a reference beeping Higher temperatures than the reference will be indicated by a faster pace of beeping the more the difference the faster the pace of the beeping i e pace is proportional to the temperature difference Lower temperatures than the reference will be indicated by a slower pace of beeping the more the difference the lower the pace of beeping i e pace is proportional to the temperature difference e The reference temperature for the ThermoSounder will be maintained as long the Measurement Trigger is pressed Tochoose anew reference temperature release the Measurement Trigger then point at the area or object with the new temperature you want to use as reference and press the Measurement Trigger 4 5 Other Functions 4 5 1 Display Hold e The instrument will automatically hold the last temperature reading after the Measurement Trigger has been released for approximately 7 seconds 4 5 2 Display Backlight e Make sure the instrument is turned ON if it is not press the Measurement Trigger e Pressing the Backlig
5. 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 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 gtc ca Delta BC Canada V4G 1H9 Copyright 2008 General Technologies
6. yr A GTZ General Technologies Corp 1 SAFETY RULES e This Instrument is designed for indoor use at temperatures between 32 F to 122 F 0 C to 50 C 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 might be impaired e To avoid personal injuries and damage to the instrument use ex treme caution when working around hot machine or engine parts like radiators exhaust manifolds catalytic converters etc 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 Laser Product 3 TECHNICAL SPECIFICATIONS 3 1 General Specifications Display 3 digits LCD Max of 1999 display with measuring units laser on and backlight indicators Resolution 0 1 to 1 C or F Operating Temperature Response time Target Size Field of View Repeatability Emissivity Laser Pointer 32 F to 122 F 0 C to 50 C lt 500 ms approx 10 1 optics ratio with a 1 min target 0 5 of reading plus one digit Fixed at 0 95 Laser Diode lt 1mW output wavelength 630 670 nm Class II 9 volt battery type NEDA 1604 IEC6F22 IEC 6LR61 Approx 20 hours w alkaline batteries Auto
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