background image

Type K Activity - Mapping the Temperature 

of a Candle Flame

DataStudio/DataStudio Lite Task: Procedure:

Change units of measurement:

In the PASPORT Sensor window, scroll to 
the Type K sensor. Use the down arrow to 
select degrees C, F, or K.

Scale to fit the data:

Click the 

Scale-to-Fit

 (

) button.

Scale the axes: 

With your mouse, click on the x-axis and 
drag left or right; click on the y-axis and 
drag up and down.

View data statistics:

Click the

 Statistics (

) button and 

select Minimum, Maximum, or Mean.

Equipment required: PS-2134 Type K Sensor, PASPORT interface, USB-
compatible computer, DataStudio software (version 1.8.5 or later), candle with 
glass holder, matches.

 SAFETY WARNING: When working with candles or other hot objects, 

always follow standard fire and health safety precautions in your classroom.  Do 
not touch the Type K probe with your hands, fingers, or any other body part.  
When the probe is put in a hot flame and removed, the probe will be hot 
(between 400 to 1400 degrees Celsius). Touching or mishandling the probe 
could cause severe burns or permanent bodily injury.

Procedure:
1. Connect the Type K Temperature Sensor to a 

PASPORT interface connected to your 
computer (See CARD 1A for instructions). 

2. Light a candle and place it in a glass holder.
3. Open a Graph display in DataStudio and click 

the Start button.

4. (Before performing the next few steps, please 

read the safety warning above.) Slowly insert 
just the tip of the Type K probe into the red, 
inner core of the candle flame to take a 
reading. 

5. After about 30 seconds, click the Stop button. Slowly remove the probe, 

being careful not to touch the probe with your hand or to any other body 
parts.

6. Allow the probe to cool to room temperature on a metal surface.
7. Repeat steps 5 and 6 for the orange, yellow, and blue colors in the 

flame. (Note: Move the probe directly across, not up and down the 
flame.)
 Compare your results.  Explain why different colors of the flame 
have different temperatures.  Is the temperature higher in the inner core 
or the outer part of the flame? Why?

Figure 1

probe

Type K

Comparing Temperatures in Different Parts of a 
Candle Flame

CARD 1B

Type K Activity - Mapping the Temperature 

of a Candle Flame

DataStudio/DataStudio Lite Task: Procedure:

Change units of measurement:

In the PASPORT Sensor window, scroll to 
the Type K sensor. Use the down arrow to 
select degrees C, F, or K.

Scale to fit the data:

Click the 

Scale-to-Fit

 (

) button.

Scale the axes: 

With your mouse, click on the x-axis and 
drag left or right; click on the y-axis and 
drag up or down.

View data statistics:

Click the

 Statistics

 (

) button and select     

Minimum, Maximum, or Mean.

Comparing Temperatures in Different Parts of a 
Candle Flame

CARD 1B

Equipment required: PS-2134 Type K Sensor, PASPORT interface, USB-
compatible computer, DataStudio software (version 1.8.5 or later), candle with 
glass holder, matches.

 SAFETY WARNING: When working with candles or other hot objects, 

always follow standard fire and health safety precautions in your classroom.  Do 
not touch the Type K probe with your hands, fingers, or any other body part.  
When the probe is put in a hot flame and removed, the probe will be hot 
(between 400 to 1400 degrees Celsius). Touching or mishandling the probe 
could cause severe burns or permanent bodily injury.

Procedure:
1. Connect the Type K Temperature Sensor to a 

PASPORT interface connected to your 
computer (See CARD 1A for instructions). 

2. Light a candle and place it in a glass holder.
3. Open a Graph display in DataStudio and click 

the Start button.

4. (Before performing the next few steps, please 

read the safety warning above.) Slowly insert 
just the tip of the Type K probe into the red, 
inner core of the candle flame to take a 
reading. 

5. After about 30 seconds, click the Stop button. Slowly remove the probe, 

being careful not to touch the probe with your hand or to any other body 
parts.

6. Allow the probe to cool to room temperature on a metal surface.
7. Repeat steps 5 and 6 for the orange, yellow, and blue colors in the 

flame. (Note: Move the probe directly across, not up and down the 
flame.)
 Compare your results.  Explain why different colors of the flame 
have different temperatures.  Is the temperature higher in the inner core 
or the outer part of the flame? Why?

Figure 1

probe

Type K

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