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Infrared Know How
 
FAQ
 
1. Products TN1 Series TN4 Series TCT Series TN2 Series
  2. DS Ratio
  3. Accuracy
  4. Emissivity
  5. Error code list and troubleshooting
  6. Applications
  7. Laser Pointer
  8. Others
Application
Infrared Tutorial
Infrared Links
Mercury Terminator
Emissivity
How to Get the Accurate Reading
Infrared History
Thermometry History
 

1. Products
 

 

  
 
TN1 series
The unit does NOT shut off after 15 seconds and the unit remains running. Why? <Ans.>

Is it normal? After "power-off", will the display of TN105C always be "on" showing the time, battery level and a temperature reading? <Ans.>
TN4 series
Can TN408LC higher level unit have LCD backlit and laser pre-set in on not off? <Ans.>
Do Radiant any emssivity table offer customer reference? <Ans.>
TCT series
Imagine a butcher testing the temperature of meat. The probe will burst off the plastic holding it! <Ans.>
What it the advantage to use TCT series then probe? <Ans.>
What did " IP 65 splash proof " represent ? <Ans.>
TN2 series
Why the LCD display show low battery or battery dead already but laser still working? <Ans.>
 
2. DS Ratio
 

 

  
 
What is DS ratio? <Ans.>
Any impact on the cost for the higher DS ratio unit? <Ans.>
Can we use high DS(>30:1) ratio units? <Ans.>
How does ZyTemp calculate the D/S ratio of Infrared Thermometers? <Ans.>
Will DS ratio impact the temperature reading? <Ans.>
 
3. Accuracy
 

 

  
 
Why accuracy is 2°C or 2% of reading whichever greater? <Ans.>
Accuracy is stated as "?1%,1°C" (the typical accuracy translation is ?1% or reading; ?1°C).  With 1% accuracy, at 100°C, allowable error would be ?2°C (?3.6°F); at 250°C allowable error is ?3.5°C (?6.3°F).<Ans.>
Please explain Tobj , Tamb and e mean? <Ans.>
What is meant by Accuracy? (Tobj=35°C, Tamb=25°C) <Ans.>
What is meant by Accuracy? (Tobj=33-220°C, Tamb=23+/-3°C) <Ans.>
Emissivity
What is Emssivity? <Ans.>
Any reference information regarding emssivity? <Ans.>
 
4. Emissivity
 

 

  
 
What is Emssivity? <Ans.>
Any reference information regarding emssivity? <Ans.>
 
5. Error code list and troubleshooting
 

 

  
 
With extremely ambient temperature change <Ans.>
Ambient temperature is not in the operation range <Ans.>
Memory lost may be damaged by EMF <Ans.>
Floating point error <Ans.>
Electronic circuit out of order <Ans.>
Memory lost may be resulted by power glitch <Ans.>
What error code "ER5" stands for? How we do? <Ans.>
 
6. Applications
 

 

  
 
Automobile Applications <Ans.>
Indoor Applications <Ans.>
Kitchen Applications <Ans.>
 
7. Laser Pointer
 

 

  
 
What is the function of laser pointer? It is the target where we are measuring? <Ans.>
What is different in Laser class II and class III? Is class III is much better? <Ans.>
FDA is requested for a whole world? The frequency of update? <Ans.>
Is there any patent issue for dual lasers? <Ans.>
Do Radiant own our patent for dual laser? <Ans.>
What's the difference between the dual lasers of Zytemp's TN425 and Raytek's AutoPro? <Ans.>
What other models will have dual lasers functions as TN425? <Ans.>
Can you offer circle laser dots like Omega to customers? <Ans.>
 
8. Others
 
How Infrared Thermometer works? <Ans.>
Can I measure the body temperature of an Ant by IRT? <Ans.>
As I remember, usually IRT are much larger than this one? Accuracy is compromised? <Ans.>
Can IRT measure air temperature? <Ans.> How far ? <Ans.>
Can the IRT operated in complete darkness? <Ans.>
Can the IRT penetrate a building, measure what's inside? <Ans.>
But I remember IR can penetrate something? <Ans.>
Now I can measure the body temperature of a fish in my aquarium? <Ans.>
How do I know, my IRT is still accurate? <Ans.>
What else can I use IRT to measure? <Ans.>
So this "Swiss Army Thermometer" can measure anything? <Ans.>
Hint to get accurate reading with IRT? <Ans.>
 
   
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