The “Reference” Thermometer is designed to control the accuracy of other instruments or probes when used together with a stable temperature source . It has a ±0.05ºC accuracy for a -199.9 to +199.9ºC range with a 0.01ºC resolution….
| Specifications | |
|---|---|
| Range | -199.9 to 199.9°C |
| Dimensions | 25x56x128mm |
| Weight | 210 grams |
Which thermometer is used for standard reference?
Within these temperature ranges, a mercury-in-glass thermometer is commonly used as the standard reference calibration instrument, although a platinum RTD is used when better accuracy is required.
What is a NIST certified thermometer?
NIST Traceable – Factory Certified Thermco’s Certified Thermometers are used in temperature verification and calibration procedures. These instruments can be used to calibrate Liquid-In-Glass, RTD, Thermistors, Thermocouples, and Bi-Metal Thermometers.
How do you calibrate a thermometer UK?
The steps for hot calibration are as follows:
- Step 1: Boil tap water and pour into a suitable container (such a mug or beaker)
- Step 2: Place your thermometer into the container.
- Step 3: Wait for 2 minutes.
- Step 4: Check that the temperature is between 99°C and 101°C (210°F to 214°F)
What temperature is to high for a fever?
Adults typically have a fever if their body temperature increases to 100.4°F (38°C). This is called a low grade fever. A high grade fever happens when your body temperature is 103°F (39.4°C) or above.
Which type of thermometer is used by doctors?
The thermometer used by doctors and nurses to measure the temperature of human body is clinical thermometer ( medical thermometer) ranging from 35-42 degree Celsius.
When should you calibrate a thermometer?
- HOW TO CALIBRATE. A THERMOMETER.
- Fill a large container with crushed ice. Add clean tap water until the container is full. Stir the mixture well.
- Thermometers should be calibrated regularly to make sure the readings are correct. The ice-point method is the most widely used method to calibrate a thermometer.
How do you calibrate a NIST thermometer?
Thermometer calibration procedure
- Heat distilled water to a specific reference temperature.
- Once the distilled water has reached the reference temperature, place the thermometer to be calibrated in the hot water bath.
- After one minute, compare the bi-metal coil thermometer reading to the NIST reference thermometer.
What temperature can be measured in the UKAS calibration laboratory?
ETI’s in-house UKAS calibration laboratory for temperature has a wide measurement range of -100 to 200°C with a best measurement capability of 0.02°C. The laboratory can also measure resistance up to 16MΩ (i.e. resistance decade boxes and PT100/RTD temperature simulators) and DC voltage 0 to 200 mV (i.e. thermocouple simulators and calibrators).
Can You issue UKAS certificates for temperature and humidity data-loggers?
Yes. We can issue UKAS Certificates for both temperature and humidity data-loggers with internal or external probes. The standard certificate includes three different temperature or humidity points. For temperature calibration and measurement capability, see above, for humidity and air temperature, click here.
What does each UKAS certificate indicate?
Each UKAS Certificate indicates the deviations from standards at specific check points (-18, 0, 3, 70 and 100°C) to an uncertainty of ±0.1°C. Other temperature points available on request. Each UKAS Certificate indicates the deviations from standards at specific check points (-20, 0, 100, 195 and 500°C) to an uncertainty of ±0.15°C.
How often should thermometer calibration be carried out?
5.1.2 Calibration should be carried out at least once every 5 years. 5.1.3 The ice point or, exceptionally, some other appropriate single reference point should be checked at least once per year, so that any changes at the reference temperature can be applied throughout the thermometer scale.
