K-Type Thermometer with a Thermocouple Probe

Written by Mark Stinson - Ghost Vigil Investigations 

The state-of-the-art tool for finding cold spots in the air is a temperature-measuring device called a K-type digital thermometer with a thermocouple probe.  This is a very different device than a standard digital thermometer.  Essentially, the K-type thermometer gives you the real-time air temperature at the exact point where you have placed the probe in the air.  Most of these devices scan the temperature of the air 3 times per second, giving you a very accurate and reactive reading.  Holding the probe out in front of you, you was measure air temperature as you walk through a room or as you stand or sit in place.

Unfortunately, some paranormal investigators use  IR thermometers, which use a laser to measure the temperature of whatever surface the laser touches.  IR thermometers do not measure air temperature.  The readings from an IR thermometer can be very misleading for this reason.  When pointed across a room, a IR thermometer gives the temperature of the wall on the other side of the room, not the temperature of the air in-between.



At one time, a K-type thermometer with a thermocouple probe was fairly expensive compared to other thermometers.  But, this has changed in recent years, and you can pick up several of these at a very affordable price.  As an investigative tool it is invaluable, because it is the one  thermometer that actually does what a paranormal investigator requires. Namely, it gives immediate, "real time," temperature readings of the air around the investigator.


When choosing a K-type digital thermometer with a thermocouple probe, you want to find one that takes frequent readings.  The more times it take a reading per second, the better.  You want your device to react real-time to temperature differences, so that you are immediately aware of a temperature change, and where it has occurred.

If your measuring device is slow to display temperature changes, you could walk through or by a cold spot, and be completely unable to pin-point where it actually is located. 

The smaller the probe, the faster the reading.  This is because digital thermometers measure the electrical resistance within the probe. They register temperature based on the temperature of the probe itself, not the air around it. The temperature of the air must change the temperature of the probe in order to register. 

A probe with a temperature sensor the size of a human hair will react very quickly to the temperature of the air and give as close to instantaneous readings of air temperature as you can get.

It’s a bit pricey, but you want to invest in the right tool for the job.


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