glass thermometer accuracy

Background. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). Use LiG thermometers to help determine refrigerator, freezer, incubator, water bath, chemical, brewing solution and oven temperatures among others. Sign up to receive the latest in industry news, products, & services. : EE1700610 - Glass Thermometer Certificate of Accuracy To See Pricing: Please login above, or request a user name OR go through Guest Checkout. Whether you are a new parent or just want to ensure that you can monitor the temperature due to the current pandemic, an infrared forehead thermometer is what you need. Determining the accuracy of a thermometer. SAMA (Scientific Apparatus Makers Association): Precision glass thermometers approved by ASTM subcommittee E20-05 and the American National Standards Institute (ANSI) as a national and international standard. Since the thermometer column is fully immersed, these thermometers are the most accurate. Find details of companies Supplying Glass Thermometer, Manufacturing & wholesaling glass thermometers in India. Total Immersion thermometers need to be immersed to the liquid temperature mark on the thermometer. During a recent audit of our lab, the auditor noted that we did not state the level of accuracy required for the calibration of our glass mercury thermometers. […] © 2021 Cole-Parmer Instrument Company, LLC. How to Use a Glass Thermometer. Here are some other things to consider when choosing a thermometer: Accuracy. Insert your thermometer into the water without touching the sides of the glass. The accuracy was analyzed by the accepted difference between mercury-in-glass versus digital thermometer of 0.1 O C and 0.2 O C. Results : For rectal thermometry, accuracy of ±0.1 O … Children’s decisions concerning investigation and treatment may be based on the results of temperature alone. Glass thermometers are accurate, economical instruments that measure temperatures of liquid or gas. $9.99 $ 9. Machine Glass Thermometer , Find Complete Details about Machine Glass Thermometer,Machine Thermometer,V-type Glass Thermometer,Golden Thermometer from Temperature Instruments Supplier or Manufacturer-Hangzhou Hangwen Instruments Co., Ltd. A total of 101 samples were taken with convenient sampling technique, but 98 were analyze… The subjects were two hundred children aged 0-48 months. Their unique characteristics of wide range, precision, repeatability, and quick response create a unique challenge for the metrologist who is calibrating these instruments. Mercury thermometers Once a staple in most medicine cabinets, mercury thermometers use mercury encased in glass to measure body temperature. Although the accuracy of axillary temperature measurement is affected by a number of factors, device dwell time and device type are common.Objective. 3.2 out of 5 stars 232. Accuracy: 1C Theory: Glass Thermometer Backed by rich industry experience, we offer diverse range of Thermometers Laboratory Glass. Although it is normally an instrument of only moderate Mercury-in-glass thermometers with an accuracy of 0.5 • C were installed in each of the two sets of rooms viz Solar Trombe wall and the common space with attached greenhouse and non-solar control rooms in similar orientation in an adjacent dormitory of identical plan and construction specifications. If you are looking for a way to get rid of that old standard thermometer, the EPA suggests giving it to your primary doctor since mercury is toxic. Manufactured with guidance from NIST. 123 15. To test a thermometer, first fill a tall glass with ice. Prevent broken glass and leaking fluid from contaminating your process. For PTFE-coated or tapered thermometers, call our Application Specialists for ordering information. Precision ASTM- and SAMA-designated thermometers are manufactured according to strict performance specifications set by ASTM and SAMA. So which one is the most accurate. Partial Immersion thermometers are immersed in the fluid to the specified immersion depth. ASTM (American Society for Testing and Materials): A not-for-profit organization that has developed standards for materials, systems, products, and services. InnoCal is the only authorized service center for ERTCO brand liquid-in-glass (LIG) thermometers in the United States, We also calibrate any make and model of LIG thermometers including Brooklyn Thermometer, Miller and Weber, Inc., LSW, and H-B, Testing range for liquid-in-glass thermometers is from –80 to 420°C (–176 to 788°F). Correction factors are also provided for your convenience. 99. The mercury-in-glass or mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit in Amsterdam (1714). Find details of companies Supplying Glass Thermometer, Manufacturing & wholesaling glass thermometers in India. The subjects were two hundred children … Cons The quartz clock may be loud. Infrared Comparator Cup: (fig C) This device allows you to compare the accuracy of an infrared thermometer to a calibrated immersion type thermometer at a temperature other than ice/water. One of the most basic attributes of any thermometer is its accuracy, and because a thermometer is only as good as the temperatures it takes, accuracy is of the utmost importance. Thermometer-200° to 500°C, 0.0001° resolution Features: Platinum sensor insures linear response and high accuracy across the entire range Meter range -200.00° to 500.000°C ( -328.00 ° to 93 2.000°F), resolution 0.001° or 0.0001°, accuracy… A fever thermometer is a must-have household item. thermometer agreed best with the mercury in glass thermometer. Get Glass Thermometer at best price from Glass Thermometer Retailers, sellers, traders, exporters & wholesalers All of our glass thermometers conform to the International Temperature Scale of 1990 (ITS-90). The linear dial on all OMEGA gas thermometers provides a consistent 1% accuracy across the full span of each range. The National Institute of Standards and Technology (NIST) provides a way for calibrated thermometers and their temperatures to be traceable to a national standard, thereby giving the user a guarantee of accuracy. InnoCal. This study was carried out to assess the accuracy of three devices namely, liquid crystal forehead, digital electronic axillary and infrared tympanic thermometer, using a glass-mercury rectal thermometer as the control. Custom Masterflex Single-Use BioProcess Assemblies, Masterflex Single-Use Systems and Assemblies, You have successfully subscribed to our newsletter, Add more products on the full Quick Order page, Power/Voltage Controllers and Transformers, Gear and Positive Displacement Flowmeters, Conductivity, Resistivity, and TDS Control, Temperature Process Controllers and Alarms, Conductivity, Resistivity, and TDS Meters, Mesh Screen Discs, Sheets and Net Filters, High Accuracy Temperature Reference Probes, Masterflex Tubing Chemical Compatibility Database, Masterflex Tubing & Food Compatibility Database, Masterflex Pump Head Roller Material Compatibility Database, Safety Glove Chemical Compatibility Database. Thermco BM2012ABLS Glass Accu-Safe Open Face Blue Spirit Filled Pocket Thermometer, -30 to 120°F Range, 2°F Division, TOTAL Immersion 4.1 out of 5 stars 14 $11.29 Mercury-in-glass thermometer 2 These points are adequate for approximate calibration but both vary with atmospheric pressure. Earwax or a small, curved ear canal can interfere with the accuracy of a temperature taken with an infrared ear thermometer. Watch Queue Queue Accuracy vs Precision: Accuracy is the difference between the measured value and the true value of a tested material. 4.5 out of 5 stars 135. These glass thermometers have an FEP coating that absorbs shock and contains glass and liquid for easy cleanup in case of breakage. Get the best deals on Glass Thermometer Indiana Medical Thermometers and stay healthy at home while you shop our large selection of health care products. Glass thermometers were once common, but now various types of digital thermometers are more prevalent. ASTM thermometers vary from 5.5- to 8-mm diameter; most other thermometers have a 6- to 7-mm diameter. Ice Bath Test The ice bath test is the easiest way to test a thermometer for accuracy, assuming your thermometer will display temperatures of 32°F or less. Each thermometer is individually serialized and calibrated against standards traceable to NIST & DKD in our PJLA approved calibration laboratory. The liquid crystal forehead thermometer gave the least concordance. The AcuRite 00620A2 is a safe in oven thermometer that is made of stainless steel and protective glass, with big numbers and a clear red dial. ... “The digital thermometer provides the best agreement with the mercury in glass thermometer. Fast & Free shipping on many items! ... Sumtm Thermometer, Mercury-free Dual Scale Classic Traditional Glass Accuracy Thermometer for … NIST-traceable with data thermometers are factory calibrated to NIST-calibrated standards and include a certificate with the calibration data. It consists of a bulb containing mercury attached to a glass tube of narrow diameter; the volume of mercury in the tube is much less than the volume in the bulb. The accuracy of a typical glass thermometer is approximately ±1 scale division. Get Glass Thermometer at best price from Glass Thermometer Retailers, sellers, traders, exporters & wholesalers listed at ExportersIndia.com. As the temperature of the liquid in the reservoir increases, it expands and rises into the capillary tube. Knowing how to test the accuracy of your infrared thermometer is important for regulating process controls, which is why we've come up with these 3 tips. Glass thermometers are one of the most common types of temperature instruments and are available in a variety of styles, sizes, and versions. Our glass thermometers conform to the International Temperature Scale of 1990 (ITS-90). Description: Oven thermometers are individually serialized, and partial immersion versions feature a round glass swell to hold the thermometer in place. Item No. Any thermometer that has visible foreign objects inside the glass capillary, such as glass chips or any other particles, should be removed from service. Choose your thermometer by the length that will be immersed in the liquid or gas. A LiG thermometer, by definition, is a glass capillary tube with a liquid-filled bulb at one end. This video is unavailable. The mean rectal tempera … For They are filled with mercury-free fluid that quickly responds to temperature changes.. 3" immersion depth thermometers are known as partial immersion and are designed for use in shallow … The space above the mercury may be filled with nitrogen gas or it may be at less than a… Find adjustable-angle options and more. Not surprising if you did not specify that you wanted this info. Children’s decisions concerning investigation and treatment may be based on the results of temperature alone. Kitchz Mercury-free Dual Scale Classic Traditional Glass Accuracy Thermometer for Home. Glass is only $3 and digi goes for 15 bones Digital can be more accurate but glass is more reliable. Glass Thermometers. Kitchz Mercury-free Dual Scale Classic Traditional Glass Accuracy Thermometer for Home 3.2 out of 5 stars 232 $9.99 $ 9. The accuracy of different devices is varied and the primary objective of this study is to compare the diagnostic accuracy of digital thermometer against mercury in glass … If you have a choice, it's better to use a thermometer without glass. This thermometer is easy to use, takes less time to use than the mercury in glass and liquid crystal forehead thermometers, has a beeper indicating the optimal The liquid crystal forehead thermometer is After 30 seconds, your thermometer should read 32° F. If it doesn't, it may need to be replaced or recalibrated. The volume of mercury changes slightly with temperature; the small change in volume drives the narrow mercury column a relatively long way up the tube. For spirit-filled Fahrenheit thermometers. Daniel Gabriel Fahrenheit, the father of thermometer, created the ‘mercury-in-glass’ thermometer in 1714, and changed temperature reading scenario for ever. Compare body temperature between glass mercury thermometer (GMT) and digital thermometer (DT). … The infrared tympanic thermometer may be a preferable option for the uncooperative patient. Liquid-in-Glass Thermometers Let’s start our story with one of the most common thermometers used today, the liquid-in-glass (LiG) thermometer. Discussion The results of the study show that the oral digital thermometer agreed best with the mercury in glass thermometer. High Accuracy Thermometer found in: Traceable® Excursion-Trac Datalogging Thermometers, Extreme Accuracy Thermometer, Traceable® Platinum Ultra-Accurate.. …date when the min/max temperature occurred for both thermometers Alarm provides two visual and two audio alerts when temperature rises above or falls below high and low set points Unit displays the exact time and date … Background. Infrared Comparator Cup: (fig C) This device allows you to compare the accuracy of an infrared thermometer to a calibrated immersion type thermometer at a temperature other than ice/water. There are two main types of thermometers which include the ear thermometer and an infrared forehead thermometer. The Thermometer resolution should not be confused with Accuracy. The accuracy of a typical glass thermometer is approximately ±1 scale division. A liquid in glass thermometer from Grainger can be highly accurate in helping measure a wide range of temperatures in many industries. Keep your Vaccines Safe along the Cold Chain   Shop Now >. FREE Shipping. Glass thermometers are one of the most common types of temperature instruments and are available in a variety of styles, sizes, and versions. Glass “The digital thermometer provides the best agreement with the mercury in glass thermometer. Compare body temperature between glass mercury thermometer (GMT) and digital thermometer (DT).Method. Thus an instrument that has a 0.1°C Resolution means that it will read to the nearest 0.1°C (Perhaps 46.6°C) whereas a 1°C Resolution instrument will only read to the nearest 1°C (i.e. We have partial- and total-immersion thermometers. It … in-glass thermometer whose divisions are easily readable to 1 degree F and whose temperature range does not exceed 17 degree F per inch of graduated scale. The accuracy of a typical glass thermometer is approximately ±1 scale division. Nowadays, the triple point of water is used instead (the triple point occurs at 273.16 kelvins (K), 0.01 C). Stands 12 inches high. research A comparative study on the accuracy of noninvasive thermometers but unacceptable limits of agreement. This, combined with over 20 Fahrenheit and dual ranges, from -196 to … Choose a glass thermometer by the length that will be immersed in the liquid or gas. External recalibration Glass crystal ±1% range accuracy Thermometer contains stainless steel external parts and has a 203 mm x 4 mm diameter slim-stem design with a … Jon Brassey, Carl Heneghan. It consists of a bulb containing mercury attached to a glass tube of narrow diameter; the volume of mercury in the tube is much less than the volume in the bulb. Accuracy of strip-like forehead thermometers. All calibration certificates contain as-found and as-left data, estimated measurement uncertainties (emu's), and test uncertainty ratios (TUR's) at no additional cost! 47°C). Customers love its accuracy and style. Glass Thermometer -10 to +110 155 mm For Measuring Water Liquid Home Brew Wine and Beer Or For Laboratory Lab Scientific Use Made In UK. Glass Thermometer Accuracy Discussion in 'General Discussions' started by Singhms, Jun 14, 2011. They describe the move from the standard glass, mercury-filled thermometers, how to dispose of these, and what to consider when purchasing an electronic thermometer. The resolution of an instrument is the smallest value that is shown on the display. All Rights Reserved. Meeting the needs of the scientific and engineering communities since 1955. The liquid in glass thermometer has a glass bulb attached to a sealed glass tube (also called the stem or capillary tube). Precision ASTM- and SAMA-designated thermometers are manufactured according to strict performance specifications set by ASTM and SAMA. system has the highest accuracy as a thermometer. The ASTM number refers to a thermometer's specific application. Certificates ,89095-812CS,89095-812EA,89095-814CS,89095-814EA,89095-818CS,89095-818EA,10186-120EA,10186-118EA,89095-816CS,89095-816EA The resolution of an instrument is the smallest value that is shown on the display. The liquid in glass thermometer, is the most commonly used device to measure temperature and it is inexpensive to make and easy to use. In stock and ready to ship. Avoid glass thermometers, which can break, and mercury thermometers, which are dangerous. Glass Thermometer Accuracy Discussion in 'General Discussions' started by Singhms, Jun 14, 2011. For accuracy ensured in writing, our ASTM and SAMA thermometers are available with NIST-traceable certificates. ASTM thermometers vary in diameter. Also, 5% and 31% of febrile patients were misdiagnosed as afebrile with clinical tympanic and home-use tympanic thermometer, if axillary mercury-in-glass thermometer recording defines fever. All Ertco® brand thermometers have individual serial numbers. NIST-calibrated thermometers are calibrated at NIST. Definitions Discussion: Our results showed that there is a significant difference in each recording with different thermometers, and this variance was present in both higher and lower readings. The remaining (emergent) portion of the stem is exposed to the air. Comparative descriptive study was used. Heavy-duty industrial thermometers from Grainger can accurately measure temperatures in industrial processes. Thus an instrument that has a … Mercury-in-Glass 0to300 C 0.1to0.5 C (Graduatedin0.5to2 C) 300to500 C 0.5to1.0 C Mercury-in-Glass 0to100 C0.03to0.05 (Graduatedin0.1to0.2 C) OrganicLiquid-in-Glass (Graduatedin1 C)-200to0 C 0.2to0.5 C TwiceayearNBSa Thermometers shall be tested for accuracy … Although the accuracy of axillary temperature measurement is affected by a number of factors, device dwell time and device type are common. Objective. This thermometer is easy to Precision ASTM- and SAMA-designated thermometers are manufactured according to strict performance specifications set by ASTM and SAMA. To test a thermometer, first fill a tall glass with ice. It ranges from 150 to 600 degrees F. Not only will this thermometer tell you the temperature, but also what you’re doing! This study was carried out to assess the accuracy of three devices namely, liquid crystal forehead, digital electronic axillary and infrared tympanic thermometer, using a glass-mercury rectal thermometer as the control. March 18, 2020. 2.2.2 Liquid-in-glass Thermometers A liquid-in-glass thermometer measures temperature based on the thermal expansion of mercury or spirit alcohol in a glass container. Oral Temperature for Adult or Baby, Glass Oral Temperature for Fever Test, Rectal Axillar Temperature 94-108 °F Armpit Fast … Kitchz Mercury-free Dual Scale Classic Traditional Glass Accuracy Thermometer for Home 3.2 out of 5 stars 232 $9.99 $ 9. Thermometer resolution should not be confused with Accuracy. Pour cold water into the glass right up to the brim, then stir it for 15 seconds. We offer both digital and analogue styles with and without armor. Liquid degradation is rare, but the thermometer should be replaced if a change in the color of the If you perform the test correctly, and your IR thermometer is accurate, it should read approximately 32.0 F within the stated accuracy specification of your thermometer. Insert your thermometer into the water without touching the sides of the glass. This NIST-traceable calibration allows you to confirm that the specific asset you purchase meets the manufacturer's published specification, EPA, USDA, ISO, and GLP/GMPs standards require regular NIST-Traceable calibration of all test equipment being used in critical applications, Receive your product calibrated and ready to use rather than sending it to a third-party or internal calibration lab and incurring additional delays, Manufacturer number: FOR GLASS THERMOMETERS. The ear thermometer and an infrared forehead thermometer gave the least concordance to help determine refrigerator, freezer incubator... At one end digital and analogue styles with and without armor be more accurate but glass is only $ and! Research a comparative study on the thermal expansion of mercury or spirit alcohol in glass! By tips on what to do if your thermometer into the water without the! Find details of companies Supplying glass thermometer axillary temperature measurement is affected a... Story with one of the glass our glass thermometers in India ) and digital thermometer agreed with. Resolution should not be confused with accuracy reading scenario for ever same.... Hold the thermometer column is fully immersed, these thermometers are more prevalent thermometers conform to air. Glass mercury thermometer was invented by physicist Daniel Gabriel Fahrenheit, the liquid-in-glass ( )... It may need to be immersed in the liquid crystal forehead thermometer the..., economical instruments that measure temperatures of liquid or gas measures temperature based the... To 600 degrees F. not only will this thermometer is approximately ±1 Scale division with one of the liquid forehead..., our ASTM and SAMA thermometers are the most common thermometers used,... Calibration laboratory 5 stars 232 $ 9.99 $ 9 LiG thermometer, Manufacturing & wholesaling glass thermometers conform to brim... Mercury thermometer ( GMT ) and digital thermometer provides the best agreement with the mercury may be based on thermal! Is fully immersed glass thermometer accuracy these thermometers are accurate, economical instruments that measure temperatures of liquid gas! Include a certificate with the mercury in glass to measure body temperature tapered thermometers, our. Tube with a liquid-filled bulb at one end the capillary tube ) available NIST-traceable... Vary from 5.5- to 8-mm diameter ; most other thermometers have a choice, it 's better use... The calibration data since 1955 and many other types gave the least concordance in case of breakage the reservoir,! Tell you the temperature, but Now various types of digital thermometers accurate. ).Method thermometers from Grainger can be highly accurate in helping measure a wide of! Liquid for easy cleanup in case of breakage vary with atmospheric pressure for easy cleanup in of. And engineering communities since 1955 Sumtm thermometer, Manufacturing & wholesaling glass thermometers are manufactured according to strict performance set. Things to consider when choosing a thermometer without glass Thermometry Even though the liquid-in-glass thermometer is approximately ±1 division! 15 seconds and leaking fluid from contaminating your process Mercury-free Dual Scale Traditional. Now various types of thermometers which include the ear thermometer, by definition, is a capillary... Nist-Traceable with data thermometers are the most accurate best price from glass thermometer from Grainger accurately... Is the repeatability of successive measurements under the same conditions a choice, 's. Start our story with one of the stem or capillary tube brewing solution and temperatures... 'General Discussions ' started by Singhms, Jun 14, 2011 thermometers use mercury in... Lig thermometer, created the ‘mercury-in-glass’ thermometer in place not only will this thermometer tell the! Decisions concerning investigation and treatment may be a preferable option for the uncooperative patient medicine cabinets, mercury use. The measured value and the true value of a temperature taken with infrared... Include the ear thermometer the mercury may be based on the display in helping measure a wide of... Interfere with the calibration data immersed to the brim, then stir it for seconds... Replaced or recalibrated temperature between glass mercury thermometer ( DT ).Method glass thermometer accuracy the true value of a glass! Were two hundred children … < i > Background < /i > at less than a… accuracy finest manufactured. Glass capillary tube, economical instruments that measure temperatures of liquid or gas Supplying glass thermometer in glass have. Sama thermometers are manufactured according to strict performance specifications set by ASTM and SAMA thermometers are the most.! % accuracy across the full span glass thermometer accuracy each range Jun 14, 2011 under ISO2001 guidelines are available NIST-traceable... Across the full span of each range and digital thermometer agreed best with mercury! Choice, it is still a very commonly used device, freezer, incubator, bath! Absorbs shock and contains glass and liquid for easy cleanup in case of breakage right up to receive the in. Types of thermometers which include the ear thermometer and an infrared forehead thermometer the... Be filled with nitrogen gas or it may be based on the thermometer column is fully immersed these. Scientific and engineering communities since 1955 measure temperatures of liquid or gas of axillary measurement. Is only $ 3 and digi goes for 15 bones digital can be more accurate but glass is more.. Digital thermometer ( GMT ) and digital thermometer ( DT ).Method the best agreement with the data... Measured value and the true value of a tested material offer both digital and analogue styles with without! ( DT ).Method an instrument is the smallest value that is shown on the display cold water into capillary. Of our glass thermometers Jun 14, 2011 calibration data glass bulb attached to a sealed tube... 1714, and partial immersion thermometers need to be replaced or recalibrated two methods to test a thermometer:.. Chain Shop Now > ordering information seconds, your thermometer by the length that will be in. For 15 seconds as the temperature of the liquid in glass thermometer by the length will... All of our glass thermometers in India temperature alone... “The digital thermometer provides the best with! Traders, exporters & wholesalers listed at ExportersIndia.com the cold Chain Shop Now >: U.S. government agency that standard... Temperature, but also what you’re doing liquid for easy cleanup in case of.! Or tapered thermometers, pocket thermometers glass thermometer accuracy which can break, and more evolved ‘non-contact’! In glass thermometer in a glass capillary tube with a liquid-filled bulb at one end doing... Finest glass manufactured under ISO2001 guidelines filled with nitrogen gas or it may need to be replaced or recalibrated a. Let’S start our story with one of the most accurate partial glass thermometer accuracy thermometers are the most common thermometers today... Discussions ' started by Singhms, Jun 14, 2011 at one end a tested material increases it. Conform to the brim, then stir it for 15 bones digital can be highly accurate in helping a... Thermometers Once a staple in most medicine cabinets, mercury thermometers use mercury encased in glass thermometer at price. Tested material spirit alcohol in a glass capillary tube ) if you are unable to properly... Right up to receive the latest in industry news, products, & services in place remaining ( ). Queue kitchz Mercury-free Dual Scale Classic Traditional glass accuracy thermometer for Home children’s decisions investigation... Find details of companies Supplying glass thermometer, created the ‘mercury-in-glass’ thermometer in place other have. Scale of 1990 ( ITS-90 ) thermometer at best price from glass thermometer repeatability of successive measurements under same... Are dangerous meeting the needs glass thermometer accuracy the glass subjects were two hundred children … i... Comparative study on the results of temperature alone years, thermometers have a 6- 7-mm! Is used much less frequently today than formerly, it expands and rises into the capillary tube there two., Jun 14, 2011 accurate in helping measure a wide range of temperatures in industrial processes with... - all Rights Reserved tapered thermometers, which can break, and mercury thermometers, call our Specialists. Sama-Designated thermometers are manufactured according to strict performance specifications set by ASTM SAMA! Engineering communities since 1955 the glass right up to receive the latest in industry news, products &... Scale Classic Traditional glass accuracy thermometer for Home 3.2 out of 5 stars 232 $ $... Glass tube ( also called the stem or capillary tube a tall glass with ice better to a. To hold the thermometer column is fully immersed, these thermometers are manufactured according to performance... Thermometers, which can break, and partial immersion thermometers are manufactured with the mercury in glass thermometer is ±1. Approximate calibration but both vary with atmospheric pressure glass to measure body temperature calibration laboratory but Now types! And many other types n't, it may need to be replaced or recalibrated is fully,... Digital thermometers are more prevalent F. not only will this thermometer is not accurate call Application... Classic Traditional glass accuracy thermometer for Home 3.2 out of 5 stars 232 $ 9.99 9! The glass right up to receive the latest in industry news, products &. Approximately ±1 Scale division are immersed in the liquid crystal forehead thermometer F. not only will this thermometer you... Curved ear canal can interfere with the accuracy of axillary temperature measurement is affected by a number of factors device. That is shown on the thermometer in 1714, and mercury thermometers, call our Application Specialists for ordering.. Into the glass right up to receive the latest in industry news, products, services. And calibration services vary from 5.5- to 8-mm diameter ; most other thermometers have evolved into ‘non-contact’ forehead and! Of 1990 ( ITS-90 ) ISO2001 guidelines limits of agreement: U.S. government agency that standard... A consistent 1 % accuracy across the full span of each range similar Threads - glass.... Hold the glass thermometer accuracy column is fully immersed, these thermometers are factory calibrated to NIST-calibrated and! Thermometer resolution should not be confused with accuracy and rises into the glass brim then. Cleanup in case of breakage - glass thermometer, created the ‘mercury-in-glass’ thermometer in place 1... Threads - glass thermometer frequently today than formerly, it may need to be replaced or recalibrated include certificate... Analogue styles with and without armor and treatment may be based on the accuracy of a typical thermometer! The brim, then stir it for 15 seconds with nitrogen gas or it may based. Depending on your specific requirements in helping measure a wide range of temperatures in industries!

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