Field of Calibration: Temperature
| Type of Service | Calibration Scope | CMC | |
|---|---|---|---|
| Contact Type Thermometer | Thermometer sensors with display unit (Comparison calibration) | From -40 °C less than 0 °C | 45 mK |
| 0 °C | 13 mK | ||
| More than 0 °C up to 50 °C | 36 mK | ||
Field of Calibration: Pressure
| Type of Service | Calibration Scope | CMC | |||
|---|---|---|---|---|---|
| Pressure Gauge | Pressure Gauges (Digital Pressure Gauges) | Gas | Absolute Pressure | From 5 kPa up to 115 kPa | The larger one of the two 0.0085 % or 7.5 Pa |
Field of Calibration: Humidity
| Type of Service | Calibration Scope | CMC | |
|---|---|---|---|
| Humidity Measuring Instrument, etc. | Dew point hygrometers | Dew point From -5 °C less than 0 °C | Dew point 0.12 °C |
| Dew point From 0 °C up to 25 °C |
Dew point 0.09 °C |
||
| Electronic hygrometers | Relative humidity from 20 % less than 30 % at calibration temperatures from 20 °C up to 26 °C |
Relative humidity 0.8 % | |
| Relative humidity from 30 % less than 95 % at calibration temperatures from 20 °C up to 26 °C |
Relative humidity 1.7 % |
||
| Relative humidity from 20 % less than 30 % at calibration temperatures from 20 °C up to 26 °C (*) |
Relative humidity 0.6 % | ||
| Relative humidity from 30 % less than 95 % at calibration temperatures from 20 °C up to 26 °C (*) |
Relative humidity 1.4 % |
||
(*): Calibration which regards a dew point hygrometer as the hygrometer of a relative humidity indication.
Within these provisions, RIC Tsukuba (Meteorological Instrument Center, JMA) calibrates standard instruments of NMHSs. The results are summarized in calibration certificates issued to the owner.
Links to sample certificates for individual instruments: