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-10°C to 50°C Wood Body Whirling Sling Psychrometer Hygrometer Thermometer Type Centigrade with Sling Case and Humidity Chart Sling Case and Humidity Chart Analogue Humidity Mercury Temperature Meter This professional whirling hygrometer (sling psychrometer) offers the maximum level of accuracy for the measurement of relative humidity utilizing wet and dry bulb Mercury filled thermometers. The unit incorporates a water reservoir linked to the wet bulb by the means of a cotton sleeve. The thermometer tubes measure temperature over the range of -5 to + 50° C enabling the percentage RH to be calculated utilizing the chart supplied. A psychrometer has many uses in the varied industries and can be used for weather forecasting and for measuring relative humidity. In addition, it is also used for air conditioning maintenance and apt humidity levels for manufacturing. You may find the usage of psychrometers in field measurements or environmental monitoring in conditions in which portability is very important. They can also be used in educational research that insists reliability at a low cost while high resolution is not vital. Sometimes, weather observers use a sling psychrometer to compute humidity. Type of body: Wood Body Colour: Cream Type: Centigrade Weight: 400grams Psychrometer having mercury filled. Prismatic pair thermometer filled on specially designed wooden frame with plastic handle and water bottle It supplied with sling case and humidity chart. RANGE: -10°C TO 50°C A psychrometer is a kind of hygrometer which is used to determine the moisture content or relative humidity in the air exclusively. The psychrometers symbolize an older humidity measurement form and electronic sensors that rely on changes in electrical capacitance and resistance instead of condensation temperature have extensively replaced them. But, psychrometers are still found in numerous industrial environments and are available in mobile and stationary versions. It is a helpful device that must be kept in the house also. It is used to measure the quantity of water vapour in the air or relative humidity. A psychrometer is a device that counts the dry-bulb and wet-bulb temperatures. Psychrometer Design: A psychrometer is the most basic type of hygrometer which is a device used to measure humidity. It comprises of two bulbs with thermometers: a dry bulb and a wet bulb. The wet bulb is covered with a cloth wick and soaked in water until it is all set to be used. The dry bulb is just left exposed to the air to calculate the temperature. Purposes of using Psychrometers: Psychrometers assess the humidity in a general environment or specific area air. Psychrometers are usually used in laboratory settings so as to find out precise measurements for chemical reactions and experiments. A stationary psychrometer is the most common device and is used in some forms of industrial equipment, while on the other hand, a mobile psychrometer includes two thermometers attached to a knob and is rotated in the air for quite a few minutes so as to calculate the relative humidity in the field.