Unlike the mercury-in-glass thermometer, the contents of an alcohol thermometer are less toxic and will evaporate quickly. Mercury is a very dangerous environmental containment even in very small quantities. The temperature range is −80 to +330 °C depending on the liquid. The quality, stability, and accuracy vary considerably. Relevance. disadvantages of alcohol thermometer. 5 Answers. Basics of Thermistor – Advantages and Disadvantages. Alcohol backpacking stoves are popular with long distance hikers and with good reason. cheap. advantages. Thermometer tip gently inserted through anus into Rectum 0.5 to 1 inch depth; Stop insertion if any resistance is met. Make our life simpler. Favorite Answer. durable. does not work below -39ºC (Hg freezing pount) accurate. Find answers now! Today let's have a look at the advantages and disadvantages of common liquid thermometer. Alcohol thermometer (compared to a mercury thermometer) lower freezing point (-114 C) less durable (alcohol evaporates) larger coefficient of expansion alcohol can polymerise. Disadvantages of mechanical weather stations: Small functional - a device may be embedded only thermometer, hygrometer and barometer. Range:-200 °C to 80°C, though range tends to be highly dependent on the type of alcohol used. Nicknamr. 2. Print ... alcohol thermometer, mercury thermometer, gas thermometer, resistance thermometer, thermocouple thermometer, radiation thermometer, and light measurement thermometer, bimetallic thermometer. The mercury thermometer is one example of liquid thermometers. It also is more consistant over a larger range of temperatures. Find an answer to your question What are the advantages and disadvantages of an alchohol thermometer? Below are some of the advantages and disadvantages associated with thermometric liquids. When choosing digital, you avoid the mercury risk of other thermometer types. Definition of Thermopile sensor : The sensor device which uses non-contact based temperature sensing with the help of more than one thermocouples is known as thermopile sensor. Digital thermometer: A digital thermometer uses electronic heat sensors and displays the reading digitally on a small LCD screen located on one side of its broader end. Alcohol is used as a thermometric liquid. cannot be used for thermograph. A thermistor is a semiconductor device formed from metal oxides. You must have seen it in the bulb of a simple household thermometer. The advantages: 1. November 13, 2020 by . 1 decade ago. Comparison of Alcohol and Mercury Thermometer The Superiorities or the advantages of Alcohol: It can measure a low temperature, because its freezing point is low (-115ºC). disadvantages. It is very suitable for patients with severe illness, elderly people, infants, and young children. The advantages of … less hazardous fluid loss by evaporation hard to avoid It can measure the temperature precisely, because it has large expansion coefficient. An alcohol thermometer is a thermometer which utilizes the expansion and contraction of alcohol in response to temperature changes to measure the temperature. Answer Save. Advantages and disadvantages of using alcohol in thermometer? Card sort of the properties of mercury or alcohol thermometers - students decide which properties relate to mercury or alcohol. thermistors are used in many applications requiring information about process equipment for … fragile . A number of different alcohols can be used, depending on the environment where the thermometer is being utilized, with ethanol being among the most common. The optical pyrometer is not useful for measuring the temperature of clean burning gases that do not radiate visible energy. Why is a thermometer, alcohol or mercury, usually shaken before used?" What Are The Advantages And Disadvantages Of Liquid In Glass Thermometer? easily calibrated. Advantages of mercury as a thermometric liquid.-It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. Advantages. Depending on the temperature and also the temperature of distinct substances in special places, divided into kerosene thermometer, alcohol thermometer, mercury thermometer, gas thermometer, resistance thermometer, thermocouple thermometer, radiation thermometer… Mercury is a shiny, silver metal which exists in liquid state at normal temperature. The thermoelectric potential of a bimetal thermometer is only related to the thermoelectric properties of the hot electrode material and the temperature difference at both ends. Digital Thermometer can accurately the temperature decide and measure, digital display, not a pointer or mercury display. At first glance, a digital thermometer seems to be the best choice for measuring temperatures. by Sivaranjith February 14, 2018 February 15, 2018 0 592. Mercury responds more quickly to a change in temperature, I believe. It gives more accurate readings. May use the reading if the depth is at least 0.5 inches; Thermometers typically indicate with sound when the reading has stabilized and Temperature may be read; Advantages. Advantages and Disadvantages • Advantages o It operates on null deflection o measurement can be extremely precise for, or extremely sensitive to, a given change in the thermistor's resistance. It is cheap, portable and convenient. There are some disadvantages of optical pyrometer which are given below. However, while there are benefits, there are also disadvantages to digital thermometers. The thermometer in the Artic and Antarctic region, this thermometer cannot be used. The high price because of the materials used for the manufacture of the housing. Forehead thermometer advantages and disadvantages 1) Advantages of forehead thermometer. ANGGER PANDU LAKSONO 7 C SMP Negeri 2 Pare Between MERCURY THERMOMETER and ALCOHOL THERMOMETER from the ADVANTAGES and DISADVANTAGES are : ADVANTAGES : CHEAP DURABLE ACCURATE EASILY CALIBRATE DISADVANTAGES : Display is harder to read does not work below -39ºC (Hg freezing pount) cannot be used for thermograph slow response Fragile mercury vapour is poisonous ADVANTAGES … This is due to the difference of their boiling/freezing points. Still, it's a bad idea. 2. First the kerosene thermometer, measurement range is about - 30 ℃ ~ 150 ℃, and the index value is bigger, cannot be measured accurately, the famous Galileo thermometer is kerosene thermometer. The disadvantages includes, it... What Are The Advantages And Disadvantages Of Science And Technology? The advantages of bimetal thermometers are fast response, small size, good linearity, and stability. Mechanical installation of heavy weight. Share 0. In terms of the concepts of heat and electricity, please! The two liquids used in liquid in glass thermometers are mercury and alcohol. There are several advantages of a temporal thermometer. mercury vapour is poisonous. "Same laboratory thermometers use alcohol instead of mercury. Another advantage is the easy-to-read digital display. Answer Save. Chemistry. physandchemteach. No. Alcohol has a thermometric fluid-Alcohol expands uniformly.-It has a low freezing point (-115 degree centigrade) therefore it is very suitable for place where the temperature gets very low.-It has a large expansively-It is an easily available cheap liquid, which is safe to use Disadvantages of alcohol-it … differences, advantages and disadvantages between alcohol and mercury thermometers? display is harder to read. advantages disadvantages. The alcoholglass thermometer: As a liquid it utilises ethyl alcohol, toluene and technical pentane. Advantages;alcohol expands with increase in temperature.it also has a low melting point. Alcohol thermometer (compared to a mercury thermometer) lower freezing point (-114 ºC) Mercury thermometer. Advantages: It can measure very low temperatures. The major disadvantage of alcohol thermometers is the limited use at very high temperatures as in cooking, because of the low boiling point of the thermometer's liquid contents. Disadvantages: Alcohol is transparent therefore it requires a dye to make it visible. The disadvantages are that they break easily and there is risk of mercury poisoning if the glass tube breaks. Mercury is quite toxic. Relevance. Alcohol is also used with this type of instrument. Favorite Answer. The advantage of alcohol over mercury is a factor of safety. Advantages & Disadvantages of Alcohol Thermometers Their primary advantage is safety to humans and the environment. Alcohol thermometer. what are the advantages and disadvantages of using alcohol instead of mercury in thermometers? less hazardous. Its expansion is reguler. The advantage of an infrared thermometer is that it is convenient, simple, and fast to collect body temperature, and it is quite accurate. The constriction of alcohol thermometer is same as the construction of alcohol thermometer. The accuracy may be affected by dust, smoke and thermal background radiation. First, they are as accurate as a rectal temperature reading (the gold standard for accuracy, but not for comfort). Answer (1 of 4): The two liquids used in liquid in glass thermometers are mercury and alcohol. sewlide87 sewlide87 01.04.2020 Geography Secondary School What are the advantages and disadvantages of an alchohol thermometer? 1 decade ago. slow response . 3 Answers. What are the advantages and disadvantages of using alcohol in thermometers. The disadvantage is alcohol can only be used to measure a limited range of temperatures as compared to mercury. Science. The Weaknesses or the disadvantages of Alcohol: Advantages And Disadvantages Of Digital Thermometer #Review. Lv 7. Here are the 7 reasons why they’re a good option for backcountry cooking, especially if you’re a beginner, looking to soften the up front expense of buying backpacking gear. This page covers advantages and disadvantages of Thermopile sensor. The advantages are a simple construction and low price. The ethanol version is the most widely used due to the low cost and relatively low hazard posed by the liquid in case of breakage. And its variety, dazzling. The alcohol thermometer or spirit thermometer is an alternative to the mercury-in-glass thermometer and has similar functions. alcohol - cheaper, less chance of pollution, safer … 1 Questions & Answers Place. It mentions Thermopile sensor advantages and Thermopile sensor disadvantages. 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