It can also be offered in every angle rotatable construction. Bimetal temperature gauge, adjustable angle btg03 intempco. Bimetal thermometers enable to measure temperature from 50c to 500c with an accuracy class of 2% of full scale. Typically, bimetal thermometers are used in industrial applications in which ease of viewing temperature is preferred. A hermetically sealed bimetallic thermometer that offers high quality and performance and is perfect for applications that need accurate temperature measurement. Bimetal temperature gauge, bimetallic temperature gauge. This is the fundamental concept of thermocouple usage. Manufacturer of temperature gauge bimetal temperature gauge, ss temperature gauges, rtd resistance temperature gauges offered by techin gauges and instrument private limited, vapi, gujarat. The bimetal thermometers are mounted into the respective application with screwin thermowells. The resultant expansion of bimetal is proportional to temperature. Bimetal dial thermometer general instruments consortium. A temperature gauge is used to measure the force of heat in a machine or application.
Each ashcroft industrial bimetal thermometer is backed by a limited five year warranty. The temperature sensors that use change in voltage to measure temperature are thermocouple and thermopile. This datasheet can specify thermometers with a single or double helix bimetal temperature sensor and electrical alarm contacts. You can also view the brochuredatasheet below for more information. Selectproductoptionsbelow uk specification hvac bimetal stem thermometer for typical use in.
Industrial bimetal thermometers, temperature gauges. An extremely responsive temperature sensing helix which has been carefully sized and tested, heat treated and aged to relieve inherent stresses and ensure continued accuracy. Bimetal thermometers temperature range page 1 flw, inc. Bimetal thermometer process grade all stainless steel construction type ti. Temperature meter merge with temp gauge product details. Click once on the download button to download the data sheet in excel format. Steam and other hot media may raise the temperature of the gauge.
The bimetal thermometer was designed to be a less accurate, but more rugged. Bimetal thermometers are a simple and cost effective way to achieve a visual indication of temperature in a process. The s6taf features a wide differential and the s8taf features a low differential for different application requirements. Its unique design allows for sensing of the fluid temperature without the need of a probe. Bimetal temperature switches concord, ontario, canada. Bimetal thermometers archives page 2 of 3 kodiak controls. Thermostatic bimetal designers guide engineered materials. Our s2taf is a bimetal temperature switch with brass body and an internal sensing cavity. Build a dampenedmovement bimetal thermometer ordering number by combining the designators in the sequence shown below.
These thermometers are also available with a wide variety of mounting threads. Design trends of instrument clusters for emerging markets. Better corrosion resistance and joining compared to p675r. The effect of flexivity temperature dependence on material. Bimetal temperature gauge, bimetallic temperature gauge, bmt. The bimetallic thermometer has a quick reacting bimetal coil. Bimetal temperature gauges operate with a measuring system in the form of a helical or spiral tube.
They can be recalibrated with a turn of the calibration screw on the back of the dial. It is focused on the low temperature range and small temeprature differential. Its modular design enables a multitude of combinations of case materials, nominal sizes, scale ranges and stem lengths. S6taf s8taf series bimetal temperature switch the s6taf and s8taf is designed with high ingress protection, enabling it to be suitable for a variety of harsh environmental conditions. Gas thermometer uses how does a bimetal thermometer work. Ashcroft bimetal thermometers series ei, grade a, 1% our member store gives you access to the following advantages. The bimetal thermometer employs a bimetal strip in the form of a helix. Ashcroft bimetal thermometers are hermetically sealed and have an external adjustment in the rear of the case. Reotemps gas actuated thermometers combine advanced. Watts water technologies family with operations in north america, europe and asia designs, manufactures and sells an extensive line of flow control products. Thus, for known reference temperature and known thermocouple wire materials, output voltage vo can be used to measure temperature. The bimetal system is built in the stem of the thermometer and functions as a temperature sensor.
A normally open noopen in the normal state switch closes a circuit on reaching the switching temperature. Guaranteed to be accurate to within 1% of full scale grade a per asme b40. A bimetal thermometer can be used at an operating temperature anywhere throughout its dial range. Truflex thermostatic bimetals are rolled to finish gauge on precision mills capable of holding very close. The hermeticallysealed case offers protection from weather and dust, and is guaranteed against fogging up. Temperature range scale range scale range should be selected to use normally between 30 to 60% of full span. Applications include chiller or boiler water temperature monitoring and treatment plant temperature monitoring. Suitable for mercury reduction programs no power supply needed robust design intempco bimetal thermometer accuracy per asme b40. The bimetal thermometer is manufactured in accordance with the en 190 standard which meets the high requirements of the process industries. Based on the principle of bimetal heat expansion and cold contraction, the thermal switch can control the temperature of application under a very small range. Aug 18, 2011 the temperature sensors that use change in voltage to measure temperature are thermocouple and thermopile. Configure product now request a quote small dial bimetal thermometers reotemps small dial bimetal thermometers are the perfect choice for equipment with limited space that requires a rugged, dependable, and economical temperature sensor. Bimetal dial thermometers are simple in construction, yet rugged. Bimetal thermometer datasheet free specification sheet templates for excel and pdf.
Temperature measurement sensors,types,bimetallic sensor. Find details of companies offering bimetallic temperature gauge at best price. The bimetal will only snap back to its initial condition after the temperature has dropped significantly. An expansion temperature gauge consists of a temperature sensor, a capillary and a bourdon tube. Thermal switchlow temperature bimetal thermal switch. The measuring system itself is filled with a liquid. The model a43 bimetal thermometer was developed as a standard version for simple temperature indication in heating applications. Through the high ingress protection of the thermometer ip 65 and its liquid damping, operation under high vibration conditions is possible. There is a long history of superior quality in engineering, manufacturing and customer service of these products. This compact bimetallic temperature switch will meet most industrial applications. Bimetal temperature gauge, bottom connected temperature dial thermometers btg01. 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.
Maxivision, black figures on white background overtemperature limits. Here, mga controls discuss the difference between bimetal industrial thermometers and gas thermometers, outlining the advantages of both. The bimetal disc carries no current, and this eliminates the possibility of arcing. Versions are available with up to ip68 ingress protection and atex versions are avialable for use in potentially epxplosive atmospheres. The model 54 bimetal thermometer has been developed and is manufactured in accordance with the en 190 standard. No bimetal thermometer should be exposed continuously to process temperatures over 800f 425c.
Temperature gauges operate on the gasactuated, bimetal or expansion principle. Bimetal thermometers are available with a wide range of options, and can offer accurate visual temperature readings from 70600c. They are available in a variety of mounting styles and can be mounted in vessels or pipes using pipethread mounts. A wide variety of bimetal temperature gauge options are available to you, such as industrial, household, and outdoor. The bimetal system consists of two metal strips bonded together that have different expansion coefficients. Product drawing mounting 1 dial size parameters a b c 100 100 110 21 d 689. Temperature is the most commonly measured process parameter in the world as it is often critical to the success or failure of a process. Small dial bimetal thermometers reotemp instruments. Bimetal thermometer for heating technology model a43. The resultant expansion of bimetal is proportional to temperature that is sensed. The highquality thermometer has been designed especially for the requirements of the process industry. Bimetal temperature gauge, bottom connected btg01 intempco.
Teltru type aa bimetal industrial thermometers are adjustable angle where the head can be rotated 360 and the stem positioned over 180. Temperature, pressure instruments weiss instruments. Especially in the chemical and petrochemical, oil and gas, power engineering and shipbuilding industries, the temperature measuring instrument manufactured from. Bimetal temperature guages, bimetal temperature guages. Otherwise known as a bimetallic dial thermometer, they operate by employing the use of two dissimilar metals that react to temperature at. When the temperature exceeds the temperature range, it may cause to break the temperature gauge.
They are used for measurement of temperature in most of the industrial applications. It is manufactured from two coldwelded metal strips. It works on the principle of thermal expansion two metals with different coefficient of expansions are joined to form a bimetal. Digital variangle thermometers and temperature switch gauges. Provision should be made for extreme temperature conditions.
They have a heavy duty design and are preferred by the process, offshore, power, pharmaceutical, and chemical industries. The maximum length recommended for bimetallic temperature gauge should be taken as 700 mm. Bimetal dial thermometers are simple in construction, but rugged. The gauges, commonly known as thermometers, measure heat in different ways depending on the type. Temperature description 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. 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 solutions in close co. Temperature gauge bimetal temperature gauge manufacturer. The maximum ambient temperature of the case should be. Compared to other temperature controllers with relatively low hysteresis, the temperature difference between the temperature switch opening and closing is significantly higher so as to a ensure a more obvious status indication, i. To order or enquire about this product, please contact us by clicking on enquire now below, or call 0 737 976. The thermometer meets the high requirements of the process industries.
A variety of options are available for your specific process needs. 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 model 55 bimetal thermometer has been developed and is manufactured in accordance with the en 190 standard. Bimetal thermometer process grade all stainless steel. Bimetal temperature gauges are available with a scale range of 70. The expansion of bimetal is proportional to temperature. The measuring system consists of two sheets with different expansion coefficients, which are inseparably joined. Bimetal temperature switch for industrial applications. On the one hand, this protects the instrument, on the. In summary, vo is a unique function of the sensor temperature ts and the two metals used for the thermocouple. The measuring method of an inert gas filled thermometer is the expansion of gas in a closed system. The mechanical deformation of the bimetal strips into the tube shapes mentioned above results in a.
Before going into detail, it is important to know some of the basic. The reset switching temperature is typically 515 k below the switching temperature. Bimetal temperature gauge, adjustable angle temperature dial thermometers btg03. Reotemps bimetallic bimetal thermometers are reliable and accurate temperature sensors requiring no electricity or wiring. Dimensions in mm hex g l1 l d d 11 11 100 100 65 100 25 25 12 bsp 12 bsp 0. The temperature is measured with a bimetal system inside the thermometer stem.1431 817 960 51 1240 1311 1409 530 732 944 494 715 1521 1525 1432 1063 1020 386 1551 228 915 341 604 1554 106 760 906 1124 1303 309 20 439 982 52