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