Electronic kitchen thermometer with probe TP101 -50°C ... +300°C
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Electronic kitchen thermometer with probe TP101 -50°C ... +300°C
#kitchenthermometer #foodthermometer #electronickitchenthermometer #thermometertp101 #kitchenthermometerforfood
Hi everyone. Today we will look at an electronic kitchen thermometer with a metal probe model TP101, which can measure the temperature from -50°C ... +300°C, but first don't forget to subscribe to the channel so you don't miss new videos. Such a thermometer costs in the neighborhood of 2 dollars.
The thermometer is sold in a protective plastic tube, inside there is a paper with a brief instruction. It consists of a metal rod and a plastic case with a screen and control buttons. The on/off button is responsible for turning the thermometer on and off. Additionally, the thermometer has a power off function after 10 minutes of inactivity, i.e. when no buttons are pressed.
The “degrees Celsius/Fahrenheit” button changes the temperature display mode. We are of course more accustomed to degrees Celsius. The max/min button allows you to see the maximum and minimum temperature measured by the thermometer since it was turned on. When you press this button, the display alternately shows the temperature from the memory with the corresponding note. And the last button HOLD allows you to fix the current temperature value on the screen.
The kitchen thermometer is used to change the temperature of food, its probe is sealed and quite durable. You can easily stick it into a huge piece of meat and find out the temperature inside to determine how cooked it is. But, in order to use it for its intended purpose, you need to find out how accurately it measures temperature.
I put this thermometer to a little bit of a test. When measuring the temperature of melting ice, the thermometer showed a minimum temperature of 0.7 degrees Celsius. That's certainly not zero, but it's pretty close. What I didn't like was that the temperature of the dipstick went down very slowly. I had to wait almost a minute for the dipstick to cool down completely and the temperature to stop changing.
When measuring the temperature of boiling water, it was the same story, the dipstick took a very long time to warm up and eventually showed a maximum temperature of 99 degrees Celsius. As you can see from these readings the thermometer lies a bit, but at the more extreme temperatures it can measure, the error will obviously be much higher.
Now let's take it apart and see what's inside. The top of the thermometer has a cover, under which hides one small LR44 battery. On the other side, the stylus with the cover is completely unscrewed. The probe is hollow inside and there is a rather bulky thermistor in a glass case on long wires. It is obviously not in good contact with the stylus housing, which is the reason for such a long heat transfer.
The main body consists of two halves and can be easily disassembled. The thermometer board is screwed to the front part of the case. I did not unscrew it, as there is nothing there except contact pads for the buttons and a molded chip on the board.
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