Thermal probes detect temperature levels in an area, often used to detect hot spots in computer circuitry. They are placed on or around the heat sink within the CPU, and get more accurate readings when in direct contact with hardware. Regular monitoring can avoid repairs, and some probes have built-in monitoring software with alarms. Small devices may have built-in probes that trigger automatic shutdown when operating near unsafe temperatures.
A temperature probe is a sensor used to detect temperature levels in a particular area. The conductivity of the metal inside a heat probe rises and falls with changes in temperature. The conductivity readings from the probe are translated and displayed on a temperature reading. Thermal probes are often used to detect hot spots in computer circuitry before they cause costly damage. Some computer motherboards come with multiple built-in thermal probes to quickly diagnose overheating problems.
Computer repair technicians take temperature readings with a heat probe while a computer is running at near full capacity. Thermal probes are often placed on or around the heat sink within the central processing unit. Many thermal probes are small so that they can fit into the tightest spaces inside a computer. Partially isolating a central processing unit (CPU) temperature probe reduces interference to help pinpoint temperature problems more accurately. Ducts or cord tubes are typically used to protect the probe and fragile computer chips.
Thermal probes get more accurate readings when they come into direct contact with computer hardware. Specialized thermal adhesive transfer tape holds the end of a thermal probe to the desired area on the CPU. The conductive tape secures the connection between the probe and the microchip without affecting the temperature readings. The probes and the tape holding them in place must be carefully removed and repositioned to take the temperature in a new location. Mounting a thermal probe directly in front of a working computer fan generally leads to inaccurate temperature readings.
Regular monitoring of a thermal probe can help avoid computer repairs and hardware replacement. Thermal probes with built-in monitoring software allow the user to monitor temperatures within the device and attempt to eliminate heat problems. Some probe monitoring software allows the user to set alarms to warn them when dangerous temperatures are approaching. Improved internal cooling systems such as additional fans and liquid coolers can have an immediate noticeable effect on thermal probe readings. Running a CPU in a refrigerated room makes it easier for the cooling system to be effective.
Small electronic devices sometimes have internally monitored thermal probes. These tiny built-in sensors are capable of triggering an automatic shutdown when the device operates near unsafe temperatures. Multiple thermal probes are integrated directly into the loop for constant monitoring during use. Probe damage or failure can cause it to shut down unexpectedly and prevent an electronic device from turning on.
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