User Manual Infrared Thermometer with 10:1
Contents
1. surfaces To compensate cover the surface to be measured with black tape or flat black paint Allow time for the tape to reach the same temperature as the material underneath it Measure the temperature of the tape or painted surface Refer to table on page 8 Good Measuring Practices Holding the meter by its handle point the IR sensor toward the object whose temperature is to be mea sured The meter automatically compensates for temperature deviations from ambient temperature Keep in mind that it will take up to 30 minutes for the IR sensor to stabilize if going from ambient tem peratures to a much higher or lower temperature measurement Reminders e The unit is not recommended for measuring shiny or polished metal surfaces stainless steel alumi num etc See Emissivity above e The unit cannot measure through transparent surfaces such as glass It will measure the surface temperature of the glass instead e Steam dust smoke etc can prevent accurate measurement by obstructing the unit s optics Emissivity Val Substance an Substance pete Asphalt 0 90 to 0 98 Cloth black 0 98 Concrete 0 94 Human skin 0 98 Cement 0 96 Lather 0 75 to 0 80 Sand 0 90 Charcoal powder 0 96 Earth 0 92 to 0 96 Lacquer 0 80 to 0 95 Water 0 92 to 0 96 Lacquer matte 0 97 Ice 0 96 to 0 98 Rubber black 0 94 Snow 0 83 Plastic 0 85 to 0 95 Glass 0 90 to 0 95 Timber 0 90 Ceram2. User Manual D gt DIGI SENSE Infrared Thermometer with 10 1 Distance to Sight Ratio with NIST Traceable Calibration Model 20250 04 CE THE STANDARD IN PRECISION MEASUREMENT Introduction The Digi Sense Infrared Thermometer Model 20250 04 with 10 to 1 distance to sight ratio offers fast response and high accuracy Advanced features include data Hold Max Min readings and auto power off The instrument is fully tested and calibrated to NIST traceable standards Careful use of this meter will provide years of reliable service Unpacking Check individual parts against the list of items below If anything is missing or damaged please contact your instrument supplier immediately 1 Meter 2 One 9 V battery 3 User manual 4 NIST traceable calibration report with data Key Features e 10 1 Distance to sight ratio e 2 5 basic accuracy e Fixed emissivity 0 95 e Precise noncontact measurements e Laser sighting e User selectable C or F units e Automatic data Hold e MAX MIN temperature displays e Automatic selection range and display resolution e Trigger lock e Backlight LCD e Automatic power off to conserve battery life Meter Descrinti OMNOORWHN IR sensor Laser pointer beam LCD C F button MAX MIN button Laser Backlight button Measurement trigger Battery cover Handle grip Display Layout o N OO BW N Fixed emissivity 0 95 sca
3. ic 0 90 to 0 94 Paper 0 70 to 0 94 Marble 0 94 Chromium oxides 0 81 Plaster 0 80 to 0 90 Copper oxides 0 78 Mortar 0 89 to 0 91 Iron oxides 0 78 to 0 82 Brick 0 93 to 0 96 Textiles 0 90 Setup and Operation 1 Hold the meter by its handle grip and point it toward the surface to be measured 2 Pull and hold the trigger to turn the meter on and begin testing The display will light if the battery is good Replace the battery if the display does not light 3 While measuring the SCAN icon will appear in the upper left hand corner of the LCD 4 Press the C F button to select your desired temperature units 5 Press the Laser Backlight button to turn on the laser pointer When the laser is on the Laser icon will appear on the LCD Quickly press the Laser Backlight button again to turn laser off 6 Press and hold the Laser Backlight button to turn the backlight on or off 7 Release the trigger and the HOLD icon will appear on the LCD indicating that the reading is being held 8 Use the MAX MIN button to display the maximum or minimum value 9 To conserve battery life the meter automatically powers down in 10 seconds once the trigger is released Specificati Temperature range Resolution Accuracy Response time Emissivity Distance to sight ratio field of view Laser Spectral range Out of range indication Operating temperature Storage temperature Power Field of View 4 to 630 F 20
4. n icon Temperature readout Max and Min reading icons SCAN measuring indicator Data Hold icon Laser point indicator Low battery indicator C or F temperature units N C J F e How it Works Infrared thermometers measure the surface tempera ture of an object The unit s optics sense emitted reflected and transmitted energy which is collected and focused onto a detector The unit s electronics translate the information into a temperature reading which is displayed on the unit The laser is used for aiming purposes only Field of View Make sure that the target is larger than the unit s spot size The smaller the target the closer you should be to it When accuracy is critical make sure the target is at least twice as large as the spot size Distance and Spot Size As the distance D from the object increases the spot size S of the area measured by the unit becomes larger Locating a Hot Spot To find a hot spot aim the thermometer outside the area of interest then scan across with an up and down motion until you locate hot spot Emissivity Emissivity is a term used to describe the energy emitting characteristics of materials Most 90 of typical applications organic materials and painted or oxidized surfaces have an emissivity of 0 95 fixed in the unit Inaccurate readings will result from measuring shiny or polished metal
5. to 332 C 0 1 F C 2 5 of reading or 4 5 F 2 5 C Less than 1 second Fixed at 0 95 D S Approximately 10 1 ratio D distance S spot Single Class 2 II Laser 6 to 14 um LCD will show Hi Lo 32 to 122 F 0 to 50 C 14 to 140 F 10 to 60 C One 9 V battery The meter s field of view is 10 1 meaning that if the meter is 10 inches from the target the diameter of the object under test must be at least 1 inch Other distances are shown below in the field of view diagram below Make sure that the target is larger than the unit s spot size The smaller the target the closer you should be to it When accuracy is critical make sure the target is at least twice as large as the spot size Distance Spot 10 1 Safety Use extreme caution when the laser beam is turned on e Do not let the laser beam enter your eye another person s eye or the eye of an animal e Be careful not to let the laser beam on a reflective surface CAUTI 0 N strike your eye LASER RADIATION Do not allow the laser light DO NOT STARE INTO BEAM beam to mpimgeon any lt 1mW Output at 675nm gas which can explode CLASS II LASER PRODUCT Maintenance Recalibration and Repair Cleaning and Storage e The meter should be cleaned with a damp cloth and mild detergent when necessary Do not use solvents or abrasives e Store the meter in an area with moderate temperature and h
6. umidity refer to the operating and storage temperatures on page 10 Battery Replacement If the battery power is insufficient the Low Battery icon will appear on the LCD Open the battery cover and replace the 9 V battery Securely close the cover Open the battery cover 11 Mai Recalibrati Repair C It is recommended that Digi Sense products are calibrated annually to ensure proper function and accurate measure ments however your quality system or regulatory body may require more frequent calibrations To schedule your recalibration please contact InnoCal an ISO 17025 calibra tion laboratory accredited by A2LA INNOCAL INNOVATIVE CALIBRATION SOLUTIONS Phone 1 866 INNOCAL 1 866 466 6225 Fax 1 847 327 2993 E mail sales innocalsolutions com Web InnoCalSolutions com For Product and Ordering Information Contact Cole Parmer Davis lt Cole Parmer ee Delivering Solutions You Trust Proven Precise Personal Toll Free 1 800 323 4340 Toll Free 1 800 358 5525 Phone 1 847 549 7600 Phone 1 847 327 2000 Fax 1 847 247 2929 Fax 1 847 327 2700 ColeParmer com Digi Sense Davis com Digi Sense 1065DGMAN_20250 04 Rev 1 Manual Part No 00100 38
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