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GOS > IMOP > Regional Instrument Centres
RIC at Tsukuba, Japan (Region II)
General Information
Address: 1-2 Nagamine Tsukuba Ibaraki 305-0052, Japan
Website: http://www.jma.go.jp/jma/jma-eng/jma-center/ric/RIC_HP.html
Contract person: NAKASHIMA Kouichi
Title: Scientific Officer
         Regional Instrument Centre Tsukuba
         Observations Division, Observations Department
         Japan Meteorological Agency
Email:kouichi.nakashima@met.kishou.go.jp & ric-tsukuba@met.kishou.go.jp
Tel: +81 298 51 4123
Fax:+81 298 51 1670
Calibration capabilities: Temperature, Pressure, Humidity, Wind
 
Specific information on instrument calibrations
Temperature measurement (thermometer)
Calibration Instruments
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)
Thermometer
-40 to +50 °C

Platinum resistance thermometer NSR-160 (Netsushin),

Triple point of water cell 5901C-G (Hart Scientific, Inc.)

From -40 °C to less than 0 °C : 45 mK,
0 °C : 13 mK,
from more than 0 °C up to 50 °C : 36 mK
(Level of confidence approximately 95 %)

Date of latest accreditation: 2012-08-12
Link to the accreditation certificate
Accreditation body: National Institue of Technology and Evaluation (Japan)

Pressure measurement (Barometer)
Calibration Instruments
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)
Digital pressure gauge
50 to 1150 hPa
Pressure balance AV-02 (Futaba sokki)
The lager one of the two 0.0081% or 6.3 Pa(Level of confidence approximately 95 %)
Date of latest accreditation
Link to the accreditation certificate
Accreditation body

Humidity measurement (hygrometer)
Calibration Instruments
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)
Chilled mirror dew-point hygrometer
-5 to +25 °C
Chilled mirror dew-point hygrometer :
Sensor ; DewStar S-2S-0K (Shinyei technology Co.,Ltd.),
Display ; DewStar S-1M-0 (Shinyei technology Co.,Ltd.)
From -5 to 0 °C: 0.11 °C
From 0 to 25 °C : 0.08 °C,
Hygrometer
20 to 95 %
from 20 to 26 °C:
From 20 to 30 % : 0.6 %
From 30 to 95 % : 1.4 %
(Level of confidence approximately 95 %)
Date of latest accreditation
Link to the accreditation certificate
Accreditation body

Wind measurement (Anemometer)
Calibration Instruments
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)
Anemometer
0.5 to 90 m/s
Ultrasonic anemometer
DA-700 (Sonic corporation),

Pitot tube F-202 (Tsukubarikaseiki Co., Ltd.),

Differential pressure gauge MT210 (2 sets)
(Yokogawa Electric Corporation)

Date of latest accreditation
Link to the accreditation certificate
Accreditation body

 




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