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Summary of Contents for Sentry ST 653
- Page 1 Gun-Type Professional Infrared Thermometer MODEL: ST 653 Instruction Manual...
- Page 2 Gun-Type Professional Infrared Thermometer Instruction Manual...
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Page 3: Table Of Contents
Table Content 1.Product Introduction 1-1 Features 1-2 Applications 2.Safety Information 2-1 Cautions 2-2 Safety symbols 3.Specifications 4.Operation Instructions 4-1 Quick Start Unit Diagram 4-3 C/ F and Battery Change Advance Function 5.Techniques of Infrared Thermometer 5-1 Field of view(FOV) ratio 5-2 Emissivity 6.Maintenance Gun-Type Professional Infrared Thermometer... -
Page 4: Product Introduction
1.Product Introduction Thank you for purchasing this infrared thermometer. The Infrared Thermometer is a non-contact infrared temperature measuring instrument. To measure a temperature, point the unit at the object until the temperature is read, pull the measuring trigger and hold.Make sure the target area is larger than the unit's spot size. -
Page 5: Safety Information
2.Safety Information Read the following safety information carefully before attempting to operate or service the meter. Only qualified personnel should perform repairs or servicing not covered in this manual. Laser Warning Note! Do not point laser directly at eye. Use caution a round reflective surfaces. -
Page 6: Specifications
3.Specifications Distance/Spot Ratio 12:1 Temperature Range -32~535 (-25~999 ) Accuracy 3 C( 5 F) (Assumes Operation From -32~-20 C(-25~-4 F) Ambient Temperature 2 C( 3 F) of 25 C/77 F) From -20~100 C(-4~212 F) 2% From 100~535 C(212~999 F) Spectral Response 5~14 m Repeatability 1 C ( 2 F) -
Page 7: Quick Start
4.Operation of Instrument 4-1 Quick Start To measure a temperature, point the unit at the target you want to measure, pull the trigger and hold. In SCAN mode, the LCD displays the current temperature in Celsius or Fahrenheit. The unit will HOLD the last reading for about 6 seconds after the trigger is released;... -
Page 8: C/ F And Battery Change
LCD Display Scan/Hold/Auto mode indication Data Memory indication Laser on/off indication C/ F unit indication Data Temperature indication Max/Min/Ave/ T Low battery indication Emissivity/High alarm/ Up value button Low alarm adjustment indication Down value button Function button C/ F and Battery Change The unit is powered by 9V b a t t e r y a n d d i s p l a y s temperatures in either C... -
Page 9: Advance Function
Advance Function To configure advance functions, simply use the "F" button to set parameters. The sequential operations and the corresponding explanations are shown in the following flow-chart. Scan and display the temperature during measurement. SCAN Continuously measure and display the temperature AUTO without pulling the trigger. -
Page 10: Techniques Of Infrared Thermometer
5.Techniques Of Infrared Thermometer 5-1 Field of view(FOV) ratio =Distance to diameter (DS) ratio The field of view is the angle of vision at which the instrument operates, and is determined by the optics of the unit. The FOV is the ratio of the distance from the target to the target diameter. -
Page 11: Emissivity
5-2 Emissivity Emissivity is the ability of an object to emit or absorb energy. Perfect emitters have an emissivity of 1, emitting 100% of incident energy. An object with an emissivity of 0.8 will absorb 80% and reflect 20% of the incident energy. Emissivity is defined as ratio of the energy radiated by an object at given temperature to the energy emitted by a perfect radiator at the same temperature. - Page 12 Material Temp C/F Emissivity Gold( 227/440 0.02 pure highly polished Aluminum foil 27/81 0.04 Aluminum disc 27/81 0.18 Aluminum household( 23/73 0.01 flat 0.04 Aluminum ( 227/400 polisned prate 98.3% 0.06 577/1070 0.06 Aluminum( 26/78 rough plate 0.11 Aluminum( 199/390 oxidized @599 C 599/1110 0.19...
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