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q: can the temperature sensor be accurately calibrated without using a reference thermometer?
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related questions

what are the advantages and disadvantages of six's maximum and minimum thermometer?

the advantage is the thermometer records a daily maximum and minimum temperature for reference. the disadvantage is the thermometer must be reset each day.


which of these is not a reason to let your reference know that a potential employer might be contacting them?

to allow a reference to accurately answer persoal questions about you


what are the fixed reference points on the celsius thermometer?

0 to 100 i think


how does a thermometer use integers?

for temperatures, zero is an arbitrary reference point, depending on which scale is used. for celsius, zero is assigned the the temperature at which water freezes. so temperatures which are colder than this temperature will be negative values, and temperatures warmer will be positive values. fahrenheit uses a different reference point for zero, but similar principles apply.


is celsius in reference to heat?

celsius is in reference to temperature.


what is the minimum fixed reference point to establish the celsius temperature scale for a thermometer?

this is the freezing point of water, 0 oc.


how do you get air bubbles out of a thermometer?

i found this online: http://www.novalynx.com/reference-rejoining.html


what is the minimum number of fixed reference points required to establish the celsius temperature scale for a thermometer?

if you have 2 then you are right. the freezing point of water and the boiling point of water are the 2 fixed points.


true or false a frame of reference is not necessary to describe motion accurately and completely?

false


what does a thermistor do that makes it different from a thermocouple?

a thermistor is a temperature sensitive resistor - to measure temperature you must measure its resistance and convert that resistance to equivalent temperaturea thermocouple is a temperature sensitive voltage source(i.e. battery) - to measure temperature you must measure the voltage across it and a reference thermocouple at a known constant temperature connected in series with it and convert that voltage to equivalent temperaturenote: thermistors do not require reference thermistors, thermocouples do require reference thermocouples at a known constant temperature. thermocouples are more linear than thermistors, making them easier to read accurately. thermocouples are available that are far more sensitive to small changes in temperature than thermistors.


why do you need to calibrate the spectrophotometer?

it needs to be calibrated against a blank solution so that measurements after it can use the blank solution's absorbance as a zero reference.


what are 2 reference points on the temperature scale?

the standard temperature scales celsius and fahrenheit have reference points at the freezing and boiling points of water. the kelvin scale has a reference point of absolute zero.


what reference points do you use in calibrating the scale of a thermometer?

the point at which water freezes and the point at which water boils.


what is a secondary reference electrode?

the primary reference electrode is the hydrogen electrode, which is rather fiddly to work with. secondary references are chosen for their stability and their reliable potentials so others can be calibrated against them.


the reference point for the lowest temperature on the scale for the si unit of temperature is?

absolute zero


what does the absolute temperature scale use as its reference temperature?

-459.67 f which is absolute zero and that is the temperature at which all molecular activity stops.


how do you convert output voltage of thermocouple into temperature?

you need to know the temperature of the reference junction and the voltage difference between the reference and sensing junctions. first, you convert the reference temperature to a voltage using the reverse equation or table for your thermocouple type. then you sum that voltage with the measured voltage. finally, you convert the summed voltage back to a temperature using the equation or table for the thermocouple type you are using. if the reference junction is at zero degrees c, you can skip the reference summing part. before computer processing was easy and cheap, the reference junction was often kept in an ice water bath for that reason.


what is it called when an author quotes another author?

when an author quotes another author, it is typically considered as using a "source" or a "reference." when you don't cite your source/reference accurately or not at all, it's called "plagiarism."


why is a reference temperature necessary when using thermocouples?

"since the emf generated by thermocouple circuits is a function of the difference in temperatures between the measuring junction and the reference junction, it is important that the reference junction be maintained at a constant, known temperature. this can be accomplished by (1) a temperature controlled oven, (2) an ice bath, or (3) an electrical means of simulating a known temperature."reference quote from national plastic heater (http://www.nphheaters.com/technical/thermo_letter.htm)


weather no system can reach absolute zero temperature?

it is an slandered temperature that has been taken as reference. no system has this temperature some exception are there for perpection systems.


a measure of how hot or cold an object is compared to a reference point?

temperature


what technicians do to instruments to ensure the give correct standardised measurements?

they calibrate instruments using known reference points. for example a thermometer is calibrated against a known reference point such as the freezing point of water 0 degrees centigrade or 32 degrees fahrenheit. assuming you are at sea level and the water has no contaminants which will cause a shift in freezing point. conversely the boiling point of water is 100 degrees centigrade at 212 fahrenheit. again ,pure water and at sea level because atmospheric pressure affects the boiling point.


what are the two reference points on the celsius thermometer and what do they represent?

0 and 100. they are used for the use of temp. the higher the number, the colder the substance/object is.


is a frame of reference is not necessary to describe motion accurately and completely?

it certainly is necessary. sometimes it may be implied - for example, in practice, quite often planet earth is used as a frame of reference. but whether it is implied, or explicitly stated, you always need a frame of reference to describe motion, or position.


what does responsiveness mean in medical terms?

the patient is awake and talking and knows there surroundings. patient knows who they are, where they are and can reference time accurately

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