Instrument - Vaisala HMM211

Short name:
RHT Probe

Full name:
Vaisala HMM211

What is being measured:
Temperature and Relative Humidity

Sampling Protocol:



Instrument year :
None specified

Data recording software:

Data analysis software:

Raw data time resolution:
30 s

Analysis data averaging:

Detection limit:

Sensitivity to temperature (and correction method, if applicable): :

Sensitivity to relative humidity (and correction method, if applicable): :

Sampling method:

Sample preparation method:

Sample residence time (chamber to instrument) (seconds):

Length of tubing (cm):

Instrument flow rate:

Tubing inner diameter:

Tubing material:

Chemical identification method:

Data analysis method:

Quantification method:

Calibration method:
Humidity was calibrated for RH from 11 to 95% (using LiCl, KNO3, Mg(NO3)2 and MgCl2 salts).

Calibration drift estimate:
Low (on the order of weeks)

Calibration schedule:
Every few years

Uncertainty estimation method:
standard deviations from the mean value

Known interferences:

Link to supplemental information:

Additional notes:

Measurement uncertainty:
(a) Time -- sometimes the clock drifts by as much as a few minutes, (b) T is plus or minus 0.2C, (c) not sure about RH

Measurement units:
T in Celsius, RH in percent