CEM DT-8861 Operating Manual Download Page 9

appropriate code appears in the display, press the UP and 

down buttons to adjust the desired values. 

MODE Button Function 

Press the mode button 

also allows you to access 

the set 

state,Emissivity(EMS),Lo

ck on/off,HAL on/off, HAL 

adjustment LOW 

on/off,LOW 

adjustment,Each time you   

press set you advance 

through the mode cycle. 

The diagram shows the 

sequence of functions in 

the mode cycle. 

EMS adjustment.

 The 

Emissivity(EMS) digitally 

 

 

adjustable from 0.10 to 1.0, 

LOCK on/off. The lock mode 

is particularly useful for continuous monitoring of 

temperatures. Press the up button or down button to 

LOCK on/off   

HAL on/off 

 

HAL adjustment   

LOW on/off   

LOW adjustment 

EMS adjustment 

         

9

Summary of Contents for DT-8861

Page 1: ...Non Contact Infrared Thermometers Operating Manual 3p 04 07 61...

Page 2: ...TS INTRODUCTION 3 FEATURES 3 WIDERANGEAPPLICATION 4 SAFETY 4 DISTANCE SPOTSIZE 5 SPECIFICATIONS 6 FRONTPANELDESCRIPTION 8 INDICATOR 8 BUTTONS 9 MEASURMENTOPERATION 10 BATTERYREPLACEMENT 13 NOTES 13 MA...

Page 3: ...rs can be used to measure the temperature of objects surface that is improper to be measured by traditional contact thermometer such as moving object the surface with electricity current or the object...

Page 4: ...tors Plastic molding Asphalt Marine and Screen printing measure ink and Dryer temperature HVAC R Diesel and Fleet maintenance SAFETY z Use extreme caution when the laser beam is turned on z Do not let...

Page 5: ...nship between distance and spot size for each unit is listed below The focal point for each unit is 914mm 36 The spot sizes indicate 90 encircled energy D S 12 1 D S 12in 1in 6in 0 5in 25mm 300mm 150m...

Page 6: ...se 8 14um Emissivity Digitally adjustable from 0 10 to 1 0 Over range indication LCD will show Polarity Automatic no indication for positive polarity Minus sign for negative polarity Diode laser outpu...

Page 7: ...rget 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 2 FRONT PANEL DESCRIPTION IR sensor LCD Display Laser pointer beam up but...

Page 8: ...button for EMS HAL LAL MODE button for cycling through the mode loop Functional Design 1 the switches of C F sat in a cell switching 2 In the measuring time up down keys to adjust the Emissivity 3 IN...

Page 9: ...ent LOW on off LOW adjustment Each time you press set you advance through the mode cycle The diagram shows the sequence of functions in the mode cycle EMS adjustment The Emissivity EMS digitally adjus...

Page 10: ...le the Emissivity HAL LOW on off Press the up button or down button to turn on or turn off Press the Measurement Trigger to confirm the High Low alarm mode Hal LOW adjustment The high Low alarm adjust...

Page 11: ...on the LCD indicating that the reading is being held In HOLD status press the UP button to turn on or off the laser And p turn on or off the backlight The meter will automatically power down after ap...

Page 12: ...z temperature measurements are made This is a result of the co p BATTERY REPLACEMENT As battery power is not sufficient LCD will display replacement with one new required Open battery cover then take...

Page 13: ...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 su least twice as large as th Distance Spot Size As t...

Page 14: ...a term used to desc 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 Inac...

Page 15: ...96 Charcoal powder Earth 0 92 to 0 96 Lacquer o 0 95 0 80 t Water 0 92 to 0 96 r 0 97 Lacque matt Ice 0 96 to 0 98 0 94 Rubber black Snow 0 83 Plastic 0 85 to 0 95 Glass 0 90 to 0 95 Timber 0 90 Ceram...

Page 16: ...not use ified parts 7 MAINTENANCE z Repairs or service are not covered in this manual and should only technician z Periodically wipe the body with a dry cloth abrasives or solvents on this instrument...

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