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Non-Contact

InfraRed Thermometer

User Manual

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Summary of Contents for DT-8835

Page 1: ...Non Contact InfraRed Thermometer User Manual ...

Page 2: ...InfraRed Thermometer User Manual ...

Page 3: ...rment Operation 11 Data Logger 11 1 Storing Data 11 2 Infrared 11 3 Recalling Data 11 4 Log Clear Function 12 Battery Replacement 13 Notes 14 Distance Spot Size 14 1 Locating a hot Spot 14 2 Reminders 14 3 Emissivity 14 4 Emissivity Values 15 Maintenance Clearing Page 4 4 4 5 5 6 7 7 8 10 11 11 11 11 11 13 13 14 14 14 14 15 15 3 InfraRed Thermometer User Manual ...

Page 4: ... of reliable service 2 Features 3 Wide Range Application Precise non contact temperature measurement Type K temperature Measurement Unique flat surface modern housing design Built in laser pointer Automatic Data Hold Automatic Power Off C F switch Emissivity Digitally adjustable from 0 10 to 1 0 MAX MIN DIF AVG record Data logger LOG LCD with Backlight Automatic range selection Resolution 0 1ºC 0 ...

Page 5: ...n s eye or the eye of an animal Be careful no to let the beam on a reflective surface strike your eye Do not allow the laser light beam impinge on any gas which can explode As the distance D from the object increases the spot size S of the area measured by the unit becomes larger The relationship between distance and spot size for each unit is listed below The focal point for each unit is 914mm 36...

Page 6: ...t 0 to 50 32 to 122 F 20 to 60 4 to 140 F 10 90 RH operating 80 RH storage 9V battery NEDA 1604A or IEC 6LR61 or equivalent 290g 10 2 oz 100 x 56 x 230mm 3 9 x 2 2 x 9 0 CE Comply with EMC C C IR Measurement TK Measurement IR Temp Range D S Resolution Accuracy TK Temp Range Resolution Accuracy 50 to 1050 C 58 to 1922 F 30 1 0 1 C 0 1 F 50 to 20 C 58 to 4 F 20 to 200 C 4 to 392 F 200 to 538 C 392 t...

Page 7: ...ot size 1 IR Sensor 2 Laser Pointer Beam 3 LCD Display 4 Down Button 5 Up Button 6 Mode Button 7 Laser Backlight Button 8 Measurement Trigger 9 Handle Grip 10 Battery Cover 1 Data hold 2 Measuring indication 3 Emissivity symbol and value 4 C F symbol 5 Auto obtain Emissivity 6 Lock and laser on symbols 7 High alarm and low alarm symbol 8 Temperature values for the MAX MIN DIF AVG HAL LAL LAL TK an...

Page 8: ... reading This data is stored and can be recalled with the button until a new measurement is taken When the trigger is pulled again the unit will begin measuring in the last mode selected Pressing the button also allows you to access the High Alarm HAL Low Alarm LAL Emissivity EMS and data logger LOG Each time you press MODE you advance through the mode cycle Pressing the button also allows you to ...

Page 9: ...n the laser and backlight will be turned on if they have been activated When the unit is locked on the backlight and laser will remain on unless it is turned off using the button on the keypad To activate the alarms please slide the botto switch right To set values for the High Alarm HAL Low Alarm LAL and Emissivity EMS firstly active the display by pulling the trigger or pressing the button then ...

Page 10: ...mperature value will be in the middle of LCD and Type K temperature value is at the lower side of the LCD Contact the Type K probe to the object surface and test the temperature of same point with IR measurement After both values are stable press or button for confirmation Then emissivity of the object will be shown at the upper side of the LCD Press button or trigger to enter normal measurement W...

Page 11: ...Infrared MODE To recall stored data after the unit shuts off press the button until LOG appears in the lower left corner A LOG location number will be shown below LOG and the stored temperature for that location will be display To move to another LOG location press the UP and Down keys The Log clear function allows you to quickly clear all logged data points This function can only be used when the...

Page 12: ... object whose temperature is to be measured The meter automatically compensates for temperature deviations from ambient temperature Keep in mind that it will take up to 30 minutes to adjust to wide ambient temperatures are to be measured followed by high temperature measurements some time several minutes is required after the low and before the high temperature measurements are made This is a resu...

Page 13: ...temperature 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 display on the unit In units with a laser the laser is used for aiming purposes only Make sure that the target is larger than the unit s spot size The smaller the target the clos...

Page 14: ...e surface temperature of the glass instead Steam dust smoke etc Can prevent accurate measurement by obstructing the unit s optics 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 pre set in the unit Inaccurate readings will result from measuring shiny ...

Page 15: ...0 to 0 94 0 94 0 80 to 0 90 0 89 to 0 91 0 93 to 0 96 Substance Cloth black Human skin Lather Charcoal powder Lacquer Lacquer matt Rubber black Plastic Timber Paper Chromium oxides Copper oxides Iron oxides Textiles 15 InfraRed Thermometer User Manual 14 4 Emissivity Values 15 Maintenance Clearing Repairs or serving aren t covered in this manual should only be performed by qualified personnel Peri...

Page 16: ...Rev 090325 InfraRed Thermometer User Manual ...

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