Nominal size 100 and 160 mm temperature element coiled bimetal accuracy class 1 per din en 190 working range. T120 standard specification dial size accuracymax 100% of full scale thermometer ordering information model t120 dial size 63, 75, 100mm scale range stem length 63, 75. They are available in a variety of mounting styles and can be mounted in vessels or pipes using pipethread mounts. From our beginnings, making household thermometers up to our latest products serving the industrial, commercial, food service, and oem marketswe have always. Hermetically sealed case to prevent entry of moisture, interior corrosion and coil freeze up. These instruments are provided with an external recalibrator on the rear of the case, for easy temperature adjustment.
This is accomplished by utilizing the law of coefficient of expansion differential of two unlike materials. The weksler tm lightpowered industrial thermometer offers an environmentally friendly alternative to mercuryfilled industrial thermometers the lightpowered industrial thermometer can help reduce inventory requirements with its switchable f and c feature, which offers a wide variety of ranges in a single unit 40300f and 40150c. Reotemp sells through a mature distribution network that reaches all 50 states and 30 countries worldwide. The normal operating range should be in the middle half of the range between 25% and 75% of the fullscale range. All metals change in dimension, that is expand or contract when there is a change in temperature. The bimetal thermometers are mounted into the respective application with screwin thermowells. External adjustment permits zero reset from outside the case. This item industrial bimetal thermometer 3 face x 4 stem, 0250 wcalibration dial. As with other ashcroft industrial bimetal thermometers, it has a maxivision dial which eliminates parallax by placing the pointer on the same plane as the graduations. Gas thermometer uses how does a bimetal thermometer work. Maximum overtemperature dual scale ranges available for all standard f ranges 3.
Instructions for the installation and use of lenz bimetal dial thermometers general when removing the thermometer from the packing box, handle it by the case assembly or the fitting. A bimetallic dial thermometer, commonly known as a bimetal thermometer, is installed at the point of measurement and is usually read from that location. These thermometers use the following two principles. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that react to temperature at differing rates. Range the maximum operating pressure should not exceed 75% of the fullscale range. On the one hand, this protects the instrument, on the other hand, the measuring. Bimetal thermometers consist of two rolled metal strips that are wound into a coil. Materials of construction component material stem 304 ss case, bezel, staff rod, bellows, bracket, screws 304 ss adjustment screw 303 ss oring silicone dial, pointer aluminum bimetal element varies with temperature range dampening siliconefree inert gel lens gasket neoprene dial. Industrial grade all stainless steel construction,3 dial size, bottom connected.
A bimetal thermometer displays the measured values on site, while the integrated pt100 resistance sensor provides an electrical signal for further processing. Bimetal thermometers are extremely simple in their construction and are as such widely used in industrial applications. The bimetal thermometer head can be rotated as illustrated only when in back connection position. All stainless steel bimetal thermometer model a and e nominal size 3, 5, 100 mm or 160 mm accuracy. Bimetal dial thermometer general instruments consortium. At ashcroft we are committed to serving our customers by proactively developing and implementing products that are compliant and approved. Bimetal dial thermometers are simple in construction, yet rugged. These corrosion resistant units are constructed from stainless steel and are hermetically sealed to prevent crystal fogging.
Bimetal means two different metals for example brass and iron that expand by a different amount in heat. Each ashcroft industrial bimetal thermometer is backed by a limited five year warranty. Bimetallic strip thermometers how thermometers work. This product brochure provides you with a view of teltru quality as well as all the information you need to select the bimetal thermometer most appropriate for your application. The bimetal element directly drives pointer, eliminating gears and linkage. Suitable for corrosive media and environments in chemical process, petroleum and food industry. Dampenedmovement bimetal thermometers centerback mount adjustableangle mount ordering information build a dampenedmovement bimetal thermometer ordering number by combining the designators in the sequence shown below. Instructions for the installation and use of lenz bimetal. Industrial bimetal thermometer 3 face x 4 stem, 0250 w. All ashcroft industrial bimetal thermometers come standard with the maxivision dial which eliminates parallax by placing the pointer on the same plane as the graduations. Series bt bimetal thermometer is accurate and reliable. Thermometer wells when the thermometer is equipped with a well, the well should first be removed from the thermometer and screwed into the apparatus. In a furnace thermostat, the same technique is used and a mercury switch is attached to the coil.
Bimetal thermometer 3 or 5 rear connection miljoco rear connected bimetal thermometers are economic and ideal for applications that can accept a fixed back connection. The model a50 bimetal thermometer is used mainly in heating, airconditioning, ventilation and refrigeration technology and is suitable for a scale range up to 200 c. To view a text listing of bimetal thermometers please click here. This product brochure provides you with a view of teltru quality as well as all the information you need to select the bimetal thermometer most appropriate for. The rate at which this expansion or contraction takes place depend on the temperature coefficient of expansion of the metal and this temperature. The scale is calibrated to read temperature directly.
Never rotate the thermometer head when it is in the angled position. There is a long history of superior quality in engineering, manufacturing and customer service of these products. Each thermometer is manufactured to a standard accuracy of 1% of span. Ci series bimetal thermometers ci series selection table ashcroft inc. For accurate readings stem must be immersed at least 2 inches in liquids and 4 inches in gases. The ashcroft everyangle industrial bimetal thermometer dial face with maxivision dial can be rotated 360 degrees and angled 180 degrees. Temperature measurement devices, bimetal thermometers. Usually, mercury or some kind of alcohol is used for the liquid. A bimetal thermometer can be used at an oper ating temperature anywhere throughout its dial range. The series bt bimetal thermometersoffer accurate, reliable service even in the toughest environments. Temperature measurement devices, bimetal thermometers and. Ashcroft mechanical thermometers ashcroft index page. Typically, bimetal thermometers are used in industrial applications in which ease of viewing temperature is preferred.
In these instruments, temperature measurement is made by means of a bimetal sensor. Various insertion lengths and process connections are available to optimally match the requirements of each process. The stem and the case of the instrument are made from stainless steel. Bimetal thermometer process grade all stainless steel construction. Environmental conditions the trerice bimetal thermometer is hermetically sealed. A bimetal thermometer, also known as a bimetallic dial thermometer provides an accurate temperature measurement, through a bimetallic sensing element reacting to temperature change. The bimetal thermometer is made up of two metals moulded together to form a coil. Series bt bimetal thermometer is accurate and reliable even. To rotate thermometer head up to 360, make certain thermometer is in back connected position. The bimetal thermometer employs a bimetal strip in the form of helix it works on the principle of thermal expansion two metals having different coefficient of expansions are joined to form a bimetal. This reflects the companys commitment to supporting your financial, career development, health and life goals.
All stainless steel bimetal thermometer model a and e. Unijin industrial bimetal thermometer bottom model. Designed for deepwater drilling, offshore riggs and other rugged outdoor applications. The instruments meet the highest standards of measurement technique. Bimetal thermometer without affecting the process media or the system. Bimetal thermometers are economical and offer fair accuracy. The ashcroft ei series bimetal thermometers have a hermetically sealed case to prevent entry of moisture, interior corrosion, and coil freezeup. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that. Temperature is the most commonly measured process parameter in the world as it is often critical to the success or failure of a process. The ci series of ashcroft industrial bimetal thermometers is designed for applications where external adjustment or pointer reset are not desired.
Dial thermometer 12 npt thread pot thermometer 304 ss kettle thermometer with mounting assembly for brewing beer 3 face taylor precision 8215n 8inch bitherm pocket dial thermometer, 1. Configure product now request a quote adjustable angle bimetal thermometer reotemps bimetal thermometers are reliable and accurate temperature sensors requiring no electricity or wiring. Thermowells for temperature instruments are recommended for all process systems where pressure, velocity, or viscous, abrasive and corrosive materials. Bimetal thermometer general specifications miljoco lower connected bimetal thermometers are ideal for applications requiring a compact dial and fixed lower connection. The bimetal consists of two inseparably joint, metal strips, the coefficient of thermal expansion of.
Ei series bimetal thermometers ei dimensions dual scale ranges available for all standard f ranges 3. Use ashcroft duratemp thermometers for ranges above and below those listed above. By coiling a very long strip it becomes much more sensitive to small temperature changes. T120 standard specification dial size accuracymax 100% of full scale thermometer ordering information model t120 dial size 63, 75, 100mm scale range stem length 63, 75, 100mm connection type 12 bspt 38 bspt options thermowell. Bimetal thermometers temperature is the most commonly measured process parameter in the world as it is often critical to the success or failure of a process. Connection styles are either threaded 14 or 12 npt or plain nonthreaded.
Trerice bimetal thermometers are furnished with a 0. Back connect thermometers are ideal for local, eyelevel temperature readings in most process applications. Bimetal thermometer wika jual pressure gauge wika, schuh. Bimetal thermometer, adjustable stem and dial model s5412. Bimetals ashcroft pressure and temperature instrumentation. Adjustable angle bimetal thermometer reotemp instruments. It is manufactured from two coldwelded metal strips with different thermal expansion coefficients and rotates in proportion to temperature. Do not bend the stem this will cause misalignment of the internal parts, resulting in permanent damage. As the temperature rises, the liquid expands, moving up the tube. Accuracy all weksler bimetal thermometers have an accuracy of 1% of the fullscale range. All stainless steel bimetal thermometer model a ashcroft. Bimetal thermometers are a simple and cost effective way to achieve a visual indication of temperature in a process. Bimetal thermometer chemical version with or without damping nominal size 3, 5 accuracy class 1 description the measuring element of the bimetal thermometer is a quick reacting bimetal coil. This thermometer was designed to be positioned to face the direction of easiest reading.
Bimetal thermometers ashcroft bimetal thermometers are available in a variety of case styles, temperature ranges, and each ashcroft industrial bimetal thermometer is backed by a limited five year warranty. Features rugged all welded stainless steel construction protection ip66 optional atex approved ii 2 gd c txc ip66 optional external adjustment permits zero reset from outside the case. While the one end of the coil is fixed, the rotatable thermometer pointer is at the other end. Wika part of your business solutions for pressure, temperature, force and level measurement, flow measurement, calibration and sf 6 gas solutions from wika are an integral component of our customers business processes this is why we consider ourselves to be not just suppliers of measurement components but rather more a competent partner that offers comprehensive. The selection of temperature gauge should be made in accordance with the rules set out in. Bimetal thermometers mechanical temperature measurement. Palmer design, quality, and craftsmanship make the palmer all star bimetal thermometer an industry standard for rugged reliability and accuracy. This is the typical layout of a backyard dial thermometer. Lm rc aa thermowell lenzs bimetal thermometers were developed to fill a need for a thermometer performing accurately under rough and difficult applications. They are used for measurement of temperature in most of the. Considerations in selecting a weksler bimetal thermometer. You will often find long bimetallic strips coiled into spirals.
All star 316ss bimetal thermometers are now available. Ashcroft pressure and temperature instrumentation trust. Can be used for intermittent service from 800 to f, or 425 to 500 c. Reotemp is a globally recognized iso 9001 registered manufacturer of temperature and pressure instrumentation. Class 1,0 to en 100 mm and 160 mm grade a 1 % according asme 3 and 5 features rugged stainless steel construction fast response protection ip65 ip66 antiparallax maxivision dial model e. These tamperproof instruments are an excellent choice when an external recalibrator or pointer adjustment are not required. The ashcroft ci bimetallic thermometer provides high quality and performance.
The resultant expansion of bimetal is proportional to temperature. Can be used for intermittent service from 800 to f, or 425 to 500c. Weksler manufactures an extensive line of bimetal thermometers. Use ashcroft duratemp thermometers for ranges above and. Ashcroft provides a comprehensive compensation and benefits program.
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