Our range includes bimetal temperature gauge, mercury gas filled temperature gauge capillary type and temperature recorder. Not only are we dedicated to making quality products and satisfied customers, we also strive to provide our customers with powerful tools such as our online product configurator, which make specifying bimetals with and. Here, mga controls discuss the difference between bimetal industrial thermometers and gas thermometers, outlining the advantages of both. This measuring instrument indicates the temperature of e. The expansion differential of the two unlike metals, connected with a mechanical linkage which lenz coats with a viscous silicone to minimize pointer oscillation, shows the temperature on the hermetically sealed dial. Choose from the bimetal dial thermometer, liquid or gas filled dial thermometer. The measuring system consists of two sheets with different expansion coefficients, which are inseparably joined. Our temperature gauges deliver peak performance on account of accuracy, functionality, durability and preciseness. You can also view the brochuredatasheet below for more information.
Bimetal dial thermometer general instruments consortium. The amount that a solid sample will expand with increased temperature depends on the size of the sample, the material it is made of, and the amount of temperature rise. Bimetal dial thermometers are simple in construction, but rugged. Manufacturer of temperature instruments bimetal temperature gauge, filled system temperature gauge, remote mounting temperature gauge and mercury filled temperature gauge offered by kains instruments india pvt. The robust round metal enclosure accommodates a resilient preloading disk, a bimetal disk and a silver contact. Teltrus buyers guide, temperature and pressure instruments for. Product catalog which includes bimetal thermometers, pressure gauges and related. Temperature gauges dial thermometers are manufactured in accordance with latest international standard asme b 40. At goa thermostatic instruments we manufacture bimetal dial thermometers bimetal temperature gauge with or without thermowells. Types of temperature gauges for temperature measurement. Bimetal temperature gauges operate with a measuring system in the form of a helical or spiral tube. Wika temperature gauge pdf download back temperature gauge online in india for only rs at 12% off. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that react to temperature at differing rates.
Indicating temperature switches, that combine indicating with switching are also available. The bimetallic thermometer essentially consists of an immer sion tube with a weldedin bimetallic helix and a display unit with a dial and a pointer fixed onto them. Configure product now request a quote adjustable angle bimetal thermometer reotemps bimetal thermometers are reliable and accurate temperature sensors requiring no electricity or wiring. Pressure and temperature gauges aircom instrumentation.
Bimetal thermometers use two strips of different metals to convert temperature into mechanical displacement. Temperature measurement devices 1 thermometers thermowells temperature measurement devices bimetal thermometers and thermowells accurate to 1 % of full scale in accordance with asme b40. When the temperature exceeds the temperature range, it may cause the temperature gauge to break. In others, it is wrapped into a coil for compactness. Temperature gauges digital temperature gauges exporter. A temperature gauge is used to measure the force of heat in a machine or application. Defintions the bulb is the vessel containing the sensing element liquid, gas, bimetal and it is put into the heat source. The bimetal temperature gauge relies on the difference between the thermal expansion of two different metals which are welded at one end and laminated together in a wound cylindrical or flat spiral. Digital temperature gauge with rtd and thermocouple input. Back connect thermometers are ideal for local, eyelevel temperature readings in most process applications.
Downloads ashcroft pressure and temperature instrumentation. The easytoread dials are offered with fahrenheit only, celsius only or combined fahrenheitcelsius options in three, four and five. Two metal stripes of extreme heat expansion are welded together in a special process. The maximum length recommended for bimetallic temperature gauge should be taken as 700 mm.
Temperature ranges see tables on pages 3 and 4 for more ranges 0200f 0200f 2 of 5 data sheet ei bimetal thermometer all speciflcations are subject to change without notice. What links here related changes upload file special pages permanent link page. The table below contains an overview of the individual documents. Changes in temperature of the process to be measured create a change of pressure in the measuring system, which is translated on the dial into read. These bimetal thermometers measure the temperature of a material within a process piping system, tank, vessel or other application that requires a local indication or reading. Each ashcroft industrial bimetal thermometer is backed by a limited five year warranty. They are used for measurement of temperature in most of the industrial applications. Minimum insertion length minimum insertion length tb. Bimetal thermometer is used for measuring temperature of gas or fluid. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. Bimetal temperature gauges are available with a scale range of 70. How does a bimetal thermometer work mga controls ltd. Bimetal thermoeters gas expansion thermometers when a metallic element is submitted to temperature changes, its length varies. Do not bend the stem this will cause misalignment of the internal parts, resulting in permanent damage.
Bimetal temperature sensors solids tend to expand when heated. The measuring system itself is filled with a liquid. Bimetal thermometers are a simple and cost effective way to achieve a visual indication of temperature in a process. Ashcroft 63100mm 1008 pressure gauge drawing index.
We are a leading wholesale supplier of bimetal temperature gauges, mercury filled temperature gauges, 63mm back direct mounting temperature gauge, 100mm all angle temperature gauge, 100mm bottom mounting temperature gauge and 150mm back direct mounting temperature gauge from dombivli, india. The bimetal thermometer is a temperature gauge whose principle of measuring is based on the different expansion of metals. Temperature gauges bimetal temperature gauges wholesale. The resultant expansion of bimetal is proportional to temperature that is sensed. It is suitable for measurement, regulation and direct monitoring for the fluid. In some applications the bimetal strip is used in the flat form. The different metals, often steel and copper or steel and brass, are joined together throughout their length and will expand at different rates as they are heated. An expansion temperature gauge consists of a temperature sensor, a capillary and a bourdon tube.
The gauges, commonly known as thermometers, measure heat in different ways depending on the type. Bimetal thermometer process grade all stainless steel. Temperature element coiled bimetal working range maximum scale value location of stem centre back connection, direct cover 304ss case 304ss window glass dial. Temperature measurement devices, bimetal thermometers. The bimetal system is built in the stem of the thermometer and functions as a temperature sensor. With the goal of delivering qualitative products, we are engaged in providing our clients with an excellent quality bimetal temperature gauge. A bimetallic strip is used to convert a temperature change into mechanical displacement. Options for back connect bimetal and adjustable angle bimetal thermometers. The measuring method of an inert gas filled thermometer is the expansion of gas in a closed system. Reotemp sells through a mature distribution network that reaches all 50 states and 30 countries worldwide.
Ashcroft 1259 process pressure gauge drawing index. Reotemp bimetal thermometers reotemp instruments has been manufacturing bimetal thermometers in the u. Bimetal dial thermometer manufactured at temperature gauge. Reotemp is a globally recognized iso 9001 registered manufacturer of temperature and pressure instrumentation.
Bimetal thermometer process grade all stainless steel construction type ti. Bimetal thermometer zb series since 1989 options how to order inquire other connections glycerin or silicon filling safety or toughened glass triclover fitting please advise the below 1 dial size 2 connection 3 mounting 4 temperature range 5 stem length 6. To order or enquire about this product, please contact us by clicking on enquire now below, or call 0 737 976. Products temperature gauges bimetal dial thermometer. The bimetal type temperature gauge series tetrotemp 100, are made of two cold welded metal strips with different thermal expansion coefficient.
Bimetal temperature sensors principle instrumentationtools. At the top pressure, at the bottom temperature, temperature scale bent downward model 100. Temperature gauges operate on the gasactuated, bimetal or expansion principle. Reotemp bimetal thermometers floyd instruments pty ltd. All sales subject to standard terms and conditions. It meets the most stringent criteria on resistance to a corrosive atmosphere and exceptional climatic circumstances. The increase or decrease in current flow causes the needle on the gauge to move.
Adjustable angle bimetal thermometer reotemp instruments. General instruments temperature gauge manufacturer in india. Measurement instrument product catalog teltru manufacturing co. The mechanical deformation of the bimetal strips into the tube shapes mentioned above results in a. Dimensions in mm hex g l1 l d d 11 11 100 100 65 100 25 25 12 bsp 12 bsp 0.
There is a long history of superior quality in engineering, manufacturing and customer service of these products. Instructions for the installation and use of lenz bimetal. Bimetal dial thermometers are simple in construction, yet rugged. The correction is for the temperature of the gauge, not the temperature of the measured medium. Combined indication for pressure and temperature model 100. Our vendors skilled professionals manufacture these temperature gauges by making use of contemporary techniques and optimum quality material in accordance with the set norms of industry.
With substantial industrial experience, we have emerged as a renowned manufacturer and exporter of temperature gauges. If the gauges will cross the equator or pass through cold regions during shipment, or will be stored in a cold region, careful attention is required. 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. Bimetallic temperature gauge bimetallic temperature gage. The bimetal thermometer was designed to be a less accurate, but more. Pyrosales provide a variety of temperature gauges to cater to a range of industrial applications. 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. If a thermostatic bimetal element is initially straight or has an initial uniform curvature, the resulting curvature for uniform temperature change is uniform. They are commonly found using either a bimetallic coil, or a thermocouple or thermistor with. This type of thermometer is available as direct mounting and as capillary thermometer. These highpower bimetal operated temperature switches are available either with normally closed nc or normally open no contact configuration. While selecting the range for your temperature gauge, pleasetake into account the relative immersion length required for proper sensing. Bimetal thermomanometer for pressure and temperature. Shop from the huge collection of wika temperature gauges.
Zb bimetal thermometers pressure gauges, temperature. Versions are available with up to ip68 ingress protection and atex versions are avialable for use in potentially epxplosive atmospheres. This change of curvature, or bending, in response to temperature change, flexivity, is a fundamental property of all thermostatic bimetals. Liquidfilled gauges preventmoistur condensation build up. Instruction manual bimetal thermometer model a ashcroft asia. Temperature measurement devices, bimetal thermometers and. The greater length of the coiled version gives improved sensitivity.
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