5-12
IM MT300-02EN
5.8 Adjustment and Calibration
Adjustment
Contact your nearest YOKOGAWA dealer to have your instrument adjusted.
You can also make adjustments to the instrument. Have a qualified engineer adjust the instrument
at a facility with sufficient precision. A manual explaining the adjustment procedure of the instrument
is available for downloading from the following webpage. To download the information, you need to
register.
http://www.yokogawa.com/jp-ymi/tm/Bu/MT300/
Calibration
We recommend that you calibrate the instrument once a year to check its accuracy. Contact your
nearest YOKOGAWA dealer to have your instrument calibrated.
Calibrating the Pressure Measurement Function
The word calibration as used in this document refers to finding the relationship between the value
indicated by the measuring instrument and that indicated by the standard.
This instrument is a high precision instrument. We recommend that you calibrate it once a year.
When calibrating, you need to carefully consider the pressure standard to use and the measurement
environment.
Use a pressure standard with a clear traceability to national standards and an accuracy better than ±
0.01%.
If you are using a pressure balance as a standard, carefully consider matters regarding the use of a
pressure balance (corrections for gravity at the measurement point, mass of the weight, buoyancy in
air, and the like, temperature coefficient, measurement temperature, etc.), and calibrate by applying
accurate pressure.
YOKOGAWA performs accurate calibration according to your request. We recommend that you ask
your nearest YOKOGAWA dealer to have your instrument calibrated.
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