Industrial thermometers j floyd instruments pty ltd. To calibrate a thermometer is actually a very simple. For temperature indicators and contact dial thermometers with. Trerice dial thermometers operate using a filled thermal system. Type 341 and 347 dial thermometers operate on the expansion principle. Choose from the bimetal dial thermometer, liquid or gas filled dial thermometer. There are different types of thermometers such as a medical or clinical thermometer, which is used to measure somebodys body temperature.
Digital instantread thermometer best choice pros easy to use. There are two different types of resistance sensors. Dial thermometers are divided into two accuracy classes. There is no better guarantee of quality bimetallic dial thermometers than the name teltru manufacturing company. In addition to not being the most accurate, they might be very. A less expensive choice of dial thermometer is the vaportensionbased device. The different models include surface mount, bimetal, pipemount, clipon. They cater for applications requiring high precision, and can facilitate a range of interchangeable plug in probes for air, liquid, penetration and surface temperature. One of the oldest types, mercuryfilled thermometers are slowly disappearing from most countries. A small pocket thermometer for testing air conditioning systems or cooking has a dial about an inch in diameter and a temperature range of 0 to 220 degrees f. Remote reading vapor actuated dial thermometer averaging. The resultant expansion of bimetal is proportional to temperature. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. How to calibrate a stem type thermometer ice point method 1.
Completely fill a styrofoam or insulated cup with ice, preferably crushed, if you have it. They made barometers and thermometers for the home market under the trade name airguide. Gas filled dial thermometer gas filled temperature gauge overcomes most of the limitations of other members of family. An ice water bath is the easiest and safest possible. The different types of thermometer and their uses there are many different types of thermometer available on the market. Qualitrol 120 side mount thermometer with large dial. The nontoxic gas primarily nitrogen in the measuring system expands with rising temperature. Applications include tank and vessel monitoring, sanitary process applications, hvac, and nonintrusive measurement. Us environmental protection agency office of pesticide programs. Pyrosales provide a variety of temperature gauges to cater to a range of industrial applications. A small pocket thermometer for testing air conditioning systems or cooking has a dial about an inch in diameter and a temperature.
Sanitary type page 14 flanged type page 15 filled system thermometers industrial glass thermometer page 16 vapor actuated remote thermometers page 1719 gas actuated remote thermometers bourdon tube type page 2124 directdrive type page 2527 digital thermometers. A gardener might use a weather thermometer to give the outdoor temperature. Vapour pressure dialtype thermometers number of amendments. For contact dial thermometers for transformers, see data sheet 60. Here are the different types of thermometers and how. Using and calibrating a dial stem food thermometer just like any other kitchen tool, its important that a food thermometer properly registers temperature. Diesel engine thermometer types 6312 to 72 are the ideal solution for local temperature measurement of fluids and gases on large diesel engines, e.
Gasfilled dial thermometers can be supplied with an extension line. To find the total price for capillary tube thermometers add the prices of the following. Accuracy the accuracy of a dial thermometer is expressed as a variance plus or minus in scale divisions. A thermometer is an instrument designed to measure and indicate the temperature of a specific application or condition. The steps to take to calibrate a digital thermometer are very similar to those described above for a dial type thermometer. This picture is an example of a digital clinical thermometer that reads 37. Temperature gauges dial thermometers are manufactured in accordance with latest international standard asme b 40. Precision dial thermometers for ship and diesel engines 42. Industrial thermometers j j sika thermometers for industry. Types of temperature gauges for temperature measurement. Dial thermometers will be universal adjustable angle type 80700 series or, when the thermometer bulb is located 7 feet in height or above, it will be the remote type 80300 series with flexible capillary tubing and surface mounted case or flush mounted case so that.
Pasco dial thermometer economical back mount dual scale. File the annual thermometer calibration reports for vendorcalibrated. A food thermometer should also be used to ensure that cooked food is held at safe. Wika part of your business solutions for pressure, temperature, force and level. Digital thermometers digital thermometers have a limit and it is recommended they not be used to measure hot grills unless the thermometer has been specifically made for this purpose. A dial thermometer filled system thermometer can either be read at 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. Prepare a condition where you have a known temperature to which you can calibrate your dial thermometer.
Instruction manual oil temperature indicator type oti. Eight mile road oak park, mi 482373288 2483998000 fax. The scale on the thermometer would be different depending on the temperature being measured. A liquid or gasbased dial thermometer is more accurate at lower temperatures than bimetal, and is commonly found in hvac systems, refrigeration plants, refrigerated trucks and photo processing equipment. For reasons of personal preference, consumers may choose to cook meat to higher temperatures. 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. A small pocket thermometer for testing air conditioning systems or cooking. Every thermometer dial is constructed of heavy gauge aluminum. 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. For the unambiguous determination of a temperature, two fixed points and a linear scale are needed.
The thermometer is used for oilinsulated transformers to measure the temperature of transformer oil oti or the windings temperature wti using the thermal image principle. Qualitrols line of direct mount thermometers provide an accurate indication of temperature with a rugged, low profile design, multiple control and alarm functions with optional scada output. As stateoftheart instruments, jumo dial thermometers stand for. Following you will find instructions for using, and recalibrating, a dial stem thermometer. In 1956 dick fee sold his interest in the company and the name was changed to airguide instrument company. Ktype thermometers deal with extreme temperatures and are normally found in laboratories and industry. Dial thermometer types 341 to 347 are the tried and tested industrial solution for local temperature measurement of fluids and gases in the industrial sector. There are dial thermometers, spiritfilled thermometers, and digital thermometers.
Zincplated sheet steel case, case fastening at rear with bar. Dial thermometer, transformer version type 608005 note. It has faster response and the same is available in rigid stem as well as capillary type for remote sensing. A room thermometer would be used to take the indoor temperature of a room. Dial thermometers will be universal adjustable angle type 80700 series or, when the thermometer bulb is located 7 feet in height or above, it will be the remote type 80300 series with flexible capillary tubing and surface mounted case or flush mounted case so that the thermometer. How to take your temperature an accurate reading of a persons temperature is a vital tool in managing illness.
The different models include surface mount, bimetal, pipemount, clipon, panel mount, and remote reading. The psychrometer consists of two enclosed scale type mercury thermometers, which can read temperature in increments of 0. Measuring principles temperature stewartbuchanan gauges. Add clean tap water just to the top of the ice and let. Todays dial type come in a wide range of sizes, temperature ranges and accuracies. Immersion tube standard version made from brass for temperatures up to 300. Dial thermometer at, your source for dial thermometers, decorative thermometer, decorative thermometers and outdoor thermometer decorative. All trerice dial thermometers are accurate to within one scale division of the measured range. The measuring element consists of two metal tapes welded together.
140 1284 1295 158 493 1240 373 1479 155 1336 632 1545 91 1388 1080 354 531 577 646 657 832 1355 199 607 1569 51 1113 723 1394 533 525 786 26 456 1150 823