2 Enhancing Obstetric Care with Palm and Elbow Measurements
Step 1: Place your hand close to the water source. If you experience any sensation of heat or burning, it indicates that the water is hot. Conversely, if there is no heat felt, the water is likely at room temperature or cold.
Please be advised to exercise caution when handling this equipment. It is recommended to refrain from submerging your hands directly into the water to prevent potential injuries or burns. Instead, gently touch the surface of the object.
Step 2: Submerge one of your elbows in the water container to quickly assess its temperature. This method allows for an immediate determination of whether the water is hot or cold.
It is advised not to put your hands in water of unknown temperature to prevent the risk of burning yourself.
Step 3: Submerge your elbow in the water for approximately 5-10 seconds to determine the temperature. If the water feels warm, but not hot, it is likely around 38°C.
Verify the Temperature of the Water
Step 1: If you observe condensation forming on a glass or metal container holding water, such as a thermos or pot, it indicates that the water is colder than the surrounding air.
Condensation occurs more rapidly when the temperature of water is significantly colder compared to the surrounding air temperature.
If condensation forms on the exterior of the glass for a duration of 2 or 3 minutes, it indicates that the water inside is highly chilled.
Step 2: Observe ice formation. Monitor the temperature of the water in the container. As the water cools significantly, you will detect the formation of a thin layer of ice along the container’s edges.
The water that starts to freeze will be slightly above 0°C or around 1-2°C warmer.
Step 3: Please verify if the water has frozen. The water will have frozen when it has solidified into ice and its temperature has dropped to 0°C or below.
Measuring Temperature using Bubble Size
Step 1: As the water starts to heat up, small bubbles will begin to form on the bottom of the pan or pot. At this point, the water temperature should be approximately 71°C. These bubbles should be about the same size as the shrimp’s eye.
Step 2: If the water continues to heat up, the bubbles at the bottom will gradually increase in size, becoming slightly larger than their original small size. This indicates that your hot water is nearing a temperature of approximately 79°C.
The hot water will start to emit light steam when it reaches a temperature of 79°C. These small bubbles, known as crab eyes, can be observed rising from the surface.
Step 3: Bubbling process
During this stage, the bubbles found at the bottom of the pot will gradually grow in size and begin to ascend to the water surface. Meanwhile, the water temperature will reach approximately 85°C. At this crucial moment, you will notice a faint gurgling noise emanating from the pot’s bottom indicating the achieved temperature.
Tiny bubbles start to appear on the small, rounded surface.
Step 4: In this stage, larger bubbles will swiftly ascend from the bottom of the pot and form an uninterrupted stream of rising bubbles. The temperature of the water during this phase will be within the range of 91 to 96°C.
Once chains of bubbles resembling pearls begin to form, the water’s temperature will rise to 100°C and subsequently reach the boiling point.
Here are three practical tips for measuring water temperature at home without relying on a conventional thermometer. We hope that these suggestions will assist you in accurately gauging the temperatures of both hot and cold water sources with ease!
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