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RIC at Tsukuba, Japan (Region II)
(Information on this webpage is based on the Report from the RIC received in May 2017, and the updates received in September 2017.
Please refer to the RIC's website for the latest information.)
 
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
Contact person: Kouichi NAKASHIMA
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, Relative Humidity, Atmospheric Pressure, Wind
 
Specific Information on instrument calibration capabilities
Temperature
Instrument Undergoing Calibration
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)*
Traceability of Reference equipment
Last standard calibration date
Calibration body
Contact Type Thermometer

-40 to 50 °C

Platinum resistance thermometer NSR-160 (Netsushin)

-40 °C to < 0 °C: 45 mK,

at 0 °C: 13 mK,

0 °C < to 50 °C: 36 mK

17 August 2017
Tanaka Kikinzoku Kogyo K.K. Isehara Works Thermometer Calibration Laboratory
Triple point of water cell 5901C-G (Hart Scientific, Inc.)
7 August 2017
Tanaka Kikinzoku Kogyo K.K. Isehara Works Thermometer Calibration Laboratory
Status of accreditation (date of the latest accreditation): 29 August 2017
Link to the accreditation certificate
Accreditation body: National Institute of Technology and Evaluation (Japan)
 
Relative Humidity
Instrument Undergoing Calibration
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)*
Traceability of Reference equipment
Last standard calibration date
Calibration body
Dew-point hygrometer

Dew point:

-5 to < 0 °C

Chilled-mirror dew-point hygrometer (display)
DewStar S-1M-0 (sensor)

DewStar S-2S-0K (Shinyei technology, Japan)

Dew point 0.12 °C
23 February 2017
National Metrology Institute of Japan

Dew point: 0 to 25 °C

Dew point 0.09 °C
Electronic hygrometer

20 to < 30 %RH

(for temp: 20 - 26 °C)

0.8 %RH

30 to 95 %RH

(for temp: 20 - 26 °C)

1.7 %RH

20 to < 30 %RH

(for temp: 20 - 26 °C)(1)

0.6 %RH

30 to 95 %RH

(for temp: 20 - 26 °C)(1)

1.4 %RH
(1) - Calibration which regards a dew-point hygrometer as the hygrometer of a relative humiditiy indication
Status of accreditation (date of the latest accreditation): 29 August 2017
Link to the accreditation certificate
Accreditation body: National Institute of Technology and Evaluation (Japan)
 
Atmospheric Pressure
Instrument Undergoing Calibration
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)*
Traceability of Reference equipment
Last standard calibration date
Calibration body
Digital pressure gauge

50 to 1150 hPa

   Pressure balance AV-02 (Futaba sokki)

The larger one of the two 0.0085 % or 7.5 Pa
24 September 2015
National Metrology Institute of Japan
Status of accreditation (date of the latest accreditation): 29 August 2017
Link to the accreditation certificate
Accreditation body: National Institute of Technology and Evaluation (Japan)
 
Wind
Instrument Undergoing Calibration
Calibration Range
Reference standard, Equipment
Calibration and Measurement Capability (CMC)*
Traceability of Reference equipment
Last standard calibration date
Calibration body
Anemometer

0.5 to 90 m/s

From 0 to 20 m/s:

Ultrasonic anemometer
DA-700 (Sonic, Japan)

N/A
7 December 2015
National Metrology Institute of Japan

From 20 to 90 m/s:

Pitot tube F-202 (Rika seiki, Japan)

Differential pressure gauge MT210  (2 sets)
(Yokogawa, Japan)

Status of accreditation:
Link to the accreditation certificate
Accreditation body: 

 

* A CMC (calibration and measurement capability) is the smallest uncertainty of measurement that can be expected to be achieved by the RIC during a calibration. This CMC is evaluated by the RIC itself and described in the scope of accreditation of the RIC, if available.

 
Further Information
 
 



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