Ei series bimetal thermometers ei dimensions dual scale ranges available for all standard f ranges 3. Weksler manufactures an extensive line of bimetal thermometers. This is the typical layout of a backyard dial thermometer. 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. The bimetal thermometer head can be rotated as illustrated only when in back connection position. Bimetals ashcroft pressure and temperature instrumentation. Bimetal thermometers consist of two rolled metal strips that are wound into a coil.
Thermometer wells when the thermometer is equipped with a well, the well should first be removed from the thermometer and screwed into the apparatus. All star 316ss bimetal thermometers are now available. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that. Thermowells for temperature instruments are recommended for all process systems where pressure, velocity, or viscous, abrasive and corrosive materials. They are available in a variety of mounting styles and can be mounted in vessels or pipes using pipethread mounts.
Reotemp is a globally recognized iso 9001 registered manufacturer of temperature and pressure instrumentation. Considerations in selecting a weksler bimetal thermometer. Do not bend the stem this will cause misalignment of the internal parts, resulting in permanent damage. Designed for deepwater drilling, offshore riggs and other rugged outdoor applications. Reotemp sells through a mature distribution network that reaches all 50 states and 30 countries worldwide. They are used for measurement of temperature in most of the. External adjustment permits zero reset from outside the case. 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.
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. Use ashcroft duratemp thermometers for ranges above and below those listed above. Series bt bimetal thermometer is accurate and reliable even. Ashcroft pressure and temperature instrumentation trust. Nominal size 100 and 160 mm temperature element coiled bimetal accuracy class 1 per din en 190 working range.
Use ashcroft duratemp thermometers for ranges above and. Various insertion lengths and process connections are available to optimally match the requirements of each process. 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 stem and the case of the instrument are made from stainless steel. 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. It is manufactured from two coldwelded metal strips with different thermal expansion coefficients and rotates in proportion to temperature. Connection styles are either threaded 14 or 12 npt or plain nonthreaded. Industrial bimetal thermometer 3 face x 4 stem, 0250 w. All stainless steel bimetal thermometer model a and e. These instruments are provided with an external recalibrator on the rear of the case, for easy temperature adjustment. Trerice bimetal thermometers are furnished with a 0. The twintemp combined bimetal thermometer is also suitable for heating systems. Lm rc aa thermowell lenzs bimetal thermometers were developed to fill a need for a thermometer performing accurately under rough and difficult applications.
While the one end of the coil is fixed, the rotatable thermometer pointer is at the other end. 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 rotate thermometer head up to 360, make certain thermometer is in back connected position. Each thermometer is manufactured to a standard accuracy of 1% of span. A bimetal thermometer displays the measured values on site, while the integrated pt100 resistance sensor provides an electrical signal for further processing. Maximum overtemperature dual scale ranges available for all standard f ranges 3. The scale is calibrated to read temperature directly. In a furnace thermostat, the same technique is used and a mercury switch is attached to the coil.
The resultant expansion of bimetal is proportional to temperature. Each ashcroft industrial bimetal thermometer is backed by a limited five year warranty. As the temperature rises, the liquid expands, moving up the tube. To view a text listing of bimetal thermometers please click here. 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 normal operating range should be in the middle half of the range between 25% and 75% of the fullscale range. At ashcroft we are committed to serving our customers by proactively developing and implementing products that are compliant and approved. 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. Back connect thermometers are ideal for local, eyelevel temperature readings in most process applications. The ashcroft everyangle industrial bimetal thermometer dial face with maxivision dial can be rotated 360 degrees and angled 180 degrees. The bimetal consists of two inseparably joint, metal strips, the coefficient of thermal expansion of. Bimetal thermometers are extremely simple in their construction and are as such widely used in industrial applications.
Configure product now request a quote adjustable angle bimetal thermometer reotemps bimetal thermometers are reliable and accurate temperature sensors requiring no electricity or wiring. 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. Usually, mercury or some kind of alcohol is used for the liquid. These thermometers use the following two principles. In these instruments, temperature measurement is made by means of a bimetal sensor. Series bt bimetal thermometer is accurate and reliable. The bimetal thermometers are mounted into the respective application with screwin thermowells.
Unijin industrial bimetal thermometer bottom model. All stainless steel bimetal thermometer model a ashcroft. Typically, bimetal thermometers are used in industrial applications in which ease of viewing temperature is preferred. Bimetallic strip thermometers how thermometers work. Never rotate the thermometer head when it is in the angled position. From our beginnings, making household thermometers up to our latest products serving the industrial, commercial, food service, and oem marketswe have always. Suitable for corrosive media and environments in chemical process, petroleum and food industry.
There is a long history of superior quality in engineering, manufacturing and customer service of these products. 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. Instructions for the installation and use of lenz bimetal. This is accomplished by utilizing the law of coefficient of expansion differential of two unlike materials. By coiling a very long strip it becomes much more sensitive to small temperature changes. All sales subject to standard terms and conditions. Adjustable angle bimetal thermometer reotemp instruments. The series bt bimetal thermometersoffer accurate, reliable service even in the toughest environments. Bimetal thermometer wika jual pressure gauge wika, schuh. 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. The rate at which this expansion or contraction takes place depend on the temperature coefficient of expansion of the metal and this temperature. Bimetal thermometers mechanical temperature measurement. Accuracy all weksler bimetal thermometers have an accuracy of 1% of the fullscale range. For accurate readings stem must be immersed at least 2 inches in liquids and 4 inches in gases.
These tamperproof instruments are an excellent choice when an external recalibrator or pointer adjustment are not required. The ashcroft ei series bimetal thermometers have a hermetically sealed case to prevent entry of moisture, interior corrosion, and coil freezeup. 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. Can be used for intermittent service from 800 to f, or 425 to 500c. Ashcroft mechanical thermometers ashcroft index page. 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. Bimetal thermometers are a simple and cost effective way to achieve a visual indication of temperature in a process. Gas thermometer uses how does a bimetal thermometer work. 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. The selection of temperature gauge should be made in accordance with the rules set out in. Bimetal dial thermometer general instruments consortium. This thermometer was designed to be positioned to face the direction of easiest reading. These corrosion resistant units are constructed from stainless steel and are hermetically sealed to prevent crystal fogging. The bimetal thermometer is made up of two metals moulded together to form a coil.
Bimetal means two different metals for example brass and iron that expand by a different amount in heat. This reflects the companys commitment to supporting your financial, career development, health and life goals. Hermetically sealed case to prevent entry of moisture, interior corrosion and coil freeze up. Environmental conditions the trerice bimetal thermometer is hermetically sealed. A bimetal thermometer can be used at an oper ating temperature anywhere throughout its dial range. The ci series of ashcroft industrial bimetal thermometers is designed for applications where external adjustment or pointer reset are not desired. Range the maximum operating pressure should not exceed 75% of the fullscale range. Bimetal thermometers are economical and offer fair accuracy. Ashcroft provides a comprehensive compensation and benefits program. Can be used for intermittent service from 800 to f, or 425 to 500 c. Temperature measurement devices, bimetal thermometers. 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. A bimetallic dial thermometer, commonly known as a bimetal thermometer, is installed at the point of measurement and is usually read from that location.
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. Bimetal thermometer process grade all stainless steel construction. 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. The bimetal element directly drives pointer, eliminating gears and linkage. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that react to temperature at differing rates. This item industrial bimetal thermometer 3 face x 4 stem, 0250 wcalibration dial.
Bimetal thermometer, adjustable stem and dial model s5412. The instruments meet the highest standards of measurement technique. Bimetal dial thermometers are simple in construction, yet rugged. The ashcroft ci bimetallic thermometer provides high quality and performance. All stainless steel bimetal thermometer model a and e nominal size 3, 5, 100 mm or 160 mm accuracy. Industrial grade all stainless steel construction,3 dial size, bottom connected. All metals change in dimension, that is expand or contract when there is a change in temperature. Palmer design, quality, and craftsmanship make the palmer all star bimetal thermometer an industry standard for rugged reliability and accuracy. 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. 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. On the one hand, this protects the instrument, on the other hand, the measuring. Ci series bimetal thermometers ci series selection table ashcroft inc.
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