[PPT] - P r a c t i c a l u s e o f s t a n d a r d me PowerPoint Presentation

SLIDE 1

P r a c t i c a l u s e

f

s t a n d a r d me t e

r
l
g

i c a l i n s t r u me n t s i n d

me

s t i c me t e

r
l
g

i c a l

b

s e r v a t i

n

n e t w

r

k s

S a t

s

h i H A G I Y A

M e t e

r
l
g

i c a l I n s t r u me n t C e n t e r WM O / R e g i

n

a l I n s t r u me n t C e n t r e ( R I C ) T s u k u b a

J a p a n M e t e

r
l
g

i c a l A g e n c y ( J M A )

2 M a r . 2 1 8

We b s i t e : h t t p : / / w w w . j ma . g

.

j p / j ma / j ma

e

n g / j ma

c

e n t e r / r i c / R I C _ H P . h t ml E ma i l : r i c

t

s u k u b a @me t . k i s h

u

. g

.

j p

SLIDE 2

Meteorological Instrument Center Japan Meteorological Agency

O u t l i n e

f

p r e s e n t a t i

n

 O

b s e r v a t i

n

n e t w

r

k

f

J M A “ A M e D A S ”

 T

r a c e a b i l i t y

f

me t e

r
l
g

i c a l i n s t r u me n t s i n J a p a n

 M

a i n t e n a n c e

f

f i e l d i n s t r u me n t s

 O

v e r h a u l a n d i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s a t M e t e

r
l
g

i c a l I n s t r u me n t C e n t e r ( M I C )

 S

i t e i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s

SLIDE 3

Meteorological Instrument Center Japan Meteorological Agency

O b s e r v a t i

n

n e t w

r

ko f J M A “ A M e D A S ”

( A u t

ma

t e d M e t e

r
l
g

i c a l D a t a A c q u i s i t i

n

S y s t e m)

Tokyo Sendai Sapporo Osaka Fukuoka Naha Chichi Jima M inamitori Shima M inamidaito Jima

< O b s e r v a t i

n

e l e me n t >

P

r e c i p i t a t i

n

( A l l s t a t i

n

s )

A

i r t e mp e r a t u r e , Wi n d d i r e c t i

n

/ s p e e d a n d S u n s h i n e d u r a t i

n

( a b

u

t 8 4 s t a t i

n

s )

S

n

w

d e p t h ( a b

u

t 3 2 s t a t i

n

s )

M a n n e d M e t e

r
l
g

i c a l O b s e r v a t

r

y 6 1 S p e c i a l A u t

ma

t i c We a t h e r S t a t i

n

9 5 A u t

ma

t i c We a t h e r S t a t i

n

7 7 3 A u t

ma

t i c P r e c i p i t a t i

n

G a u g e S t a t i

n3

6 1

S t a t i

n

s a r e l

c

a t e d a t a v e r a g e i n t e r v a l s

f

1 7 k m.

A b

u

t 1 , 3 S t a t i

n

s

SLIDE 4

Meteorological Instrument Center Japan Meteorological Agency

S u r f a c e We a t h e r O b s e r v a t i

n

S y s t e m ( J M A

1

t y p e )

Rain Sensor Precipitation Gauge Thermometer Hygrometer Pyranometer Snow Depth Gauge Sunshine Recorder Visibility Meter (Only AWS) Barometer Combined Wind Vane and Propeller Anemometer Data Converter & Processing Unit

M

a n n e d O b s e r v a t

r

y & S p e c i a l A u t

ma

t i c We a t h e r S t a t i

n

O b s e r v a t i

n

n e t w

r

ko f J M A “ A M e D A S ”

SLIDE 5

Meteorological Instrument Center Japan Meteorological Agency

Precipitation Gauge Sunshine Recorder Thermometer Combined Wind Vane and Propeller Anemometer

A

u t

ma

t i c We a t h e r S t a t i

n

/ A u t

ma

t i c P r e c i p i t a t i

n

G a u g e S t a t i

n

O b s e r v a t i

n

n e t w

r

ko f J M A “ A M e D A S ”

A u t

ma

t i c We a t h e r S t a t i

n

SLIDE 6

Meteorological Instrument Center Japan Meteorological Agency

T r a c e a b i l i t y

f

M e t e

r
l
g

i c a l I n s t r u me n t s i n J a p a n

N a t i

n

a l P r i ma r y S t a n d a r d ( N a t i

n

a l Me t r

l
g

y I n s t i t u t e

f

J a p a n ) Wo r k i n g i n s t r u me n t s ( O b s e r v a t i

n

s i t e s ) Wo r k i n g s t a n d a r d s ( J MA s u b

s

t a n d a r d ) I n t e r n a t i

n

a l S t a n d a r d ( S I u n i t )

J MA

J M A i s a c c r e d i t e d t

I

S O / I E C 1 7 2 5

T

e mp e r a t u r e

H

u mi d i t y

P

r e s s u r e

B I P M N MI J

I n J a p a n , t h e M e t e

r
l
g

i c a l S e r v i c e A c t r e q u i r e s a l l me t e

r
l
g

i c a l i n s t r u me n t s u s e d f

r

p u b l i c t

me

e t c e r t a i n t e c h n i c a l a n d p e r f

r

ma n c e s t a n d a r d s .

N a t i

n

a l me t e

r
l
g

i c a l s t a n d a r d ( J MA s t a n d a r d )

SLIDE 7

M easurement standards traceable to national standards

JM A Standard Working Standard Field Instruments

Temperature fixed points

・

Indium point (156.5985 ° C)

・

M ercury point (-38.8344 ° C)

・

Water triple point (0.01 ° C) Platinum resistance thermometer NSR-160 (Netsushin, Japan) Alternating current bridge F-600 (ASL, UK) Water triple-point cell (0.01 ° C) Standard resistor (100 Ω) Platinum resistance thermometer TS-81A (Chino, Japan) Alternating current bridge F-250 (ASL, UK) Platinum resistance thermometer

Calibration: ・ every year NSR-160 ・ every 2 years Water triple-point cell Standard resistor Check: every 6 months Using water triple-point cell Calibration: every 5 years Check: ・ every 3 months (manned observatory) ・ every year (automatic weather station)

Traceability of Temperature (JMA)

Accredited Laboratory* Meteorological Instrument Center (JMA)

M ercury-in-glass thermometer (psychrometer)

Calibration: every year Calibration: at the time of installation

Platinum resistance thermometer TS-81A (Chino, Japan) Alternating current bridge F-250 (ASL, UK) Standard resistor (100 Ω)

Tolerable range: ±0.4 °

C Platinum resistance thermometer (psychrometer) Under transition

20 Mar. 2018

Observatory (JMA)

* A c c

r

d i n g t

t

h e M e a s u r e me n t A c t i n J a p a n , J M A s t a n d a r d c a n n

t

b e d i r e c t l y c a l i b r a t e d t

t

h e N a t i

n

a l s t a n d a r d .

SLIDE 8

Traceability of Humidity (JMA)

Standard humidity generator set

National Primary Standard JM A Standard Working Standard Field Instruments

Check: ・ every 3 months (manned observatory) ・ every year (automatic weather station)

National Metrology Institute of Japan Meteorological Instrument Center (JMA)

Check: at the time of installation Aspirated psychrometer Chilled-mirror dew point hygrometer

Hygrometer (display) DewStar S-1M -0 (Shinyei technology, Japan) Hygrometer (sensor) DewStar S-2S-0K (Shinyei technology, Japan)

Chilled-mirror dew point hygrometer

Hygrometer (controller) Hygro M 2 (General Eastern, USA) Hygrometer (sensor) D2 (General Eastern, USA) M ercury-in-glass thermometer (psychrometer)

Electronic hygrometer JMA Standard of thermometer Lithium chloride dew-point hygrometer Calibration : every year Calibration : every year Tolerable range： ±4% Filter change: Every 6 months

Observatory (JMA)

20 Mar. 2018

SLIDE 9

Traceability of Pressure (JMA)

Air piston gauge Air piston gauge AV-02 (Futaba Sokki, Japan) Weights (Futaba Sokki, Japan)

National Primary Standard JM A Standard Working Standard Field Instruments

Meteorological Instrument Center (JMA)

Calibration : every year

Digital barometer resonator barometer PTB220 (Vaisala, Finland) RPM 4 (DHI, USA) F-452 (Yokogawa, Japan) Digital barometer PTB330, PTB220 (Vaisala, Finland)

Working Standard (Traveling Standard)

Calibration : every year (surface observatory) : every 2 years (aviation observatory ) Calibration : every year Mercury U-tube barometer using interferometer Calibration : every 3 years

Digital barometer PTB330, PTB220 (Vaisala, Finland)

National Metrology Institute of Japan Observatory (JMA)

20 Mar. 2018

SLIDE 10

Traceability of Precipitation (JMA)

Burette 1571ml Burette (Yoshino-keisoku, Japan)

National Primary Standard

Working Standard Working Standard

Field Instruments

Meteorological Instrument Center (JMA)

Calibration： every 10 years

Japan Quality Assurance Organization

Standard weight Prototype of the kilogram

Rain gauge (tipping bucket type)

Inspection： every 5 years

Observatory (JMA) National Metrology Institute of Japan

20 Mar. 2018

SLIDE 11

Traceability of Solar Radiation (JMA)

CM P-22 (Kipp & Zonen, Netherlands) PM O-6 A-HF

National Primary Standard Working Standard Field Instruments

Calibration: every 5 years

Meteorological Instrument Center (JMA) Observatory (JMA)

Comparison (To check the accuracy routinely out of doors)

JM A Standard

Atmospheric Environment Division (JMA)

Pyranometer

Absolute radiometer (WM O RAII Standard) (National Primary Standard)

Pyranometer Pyranometer Calibration : every year Calibration : every year

CM P-22 (Kipp & Zonen, Netherlands) M S-802F (EKO, Japan)

20 Mar. 2018

SLIDE 12

Traceability of Sunshine Duration (JMA)

PM O-6 A-HF CH-1 (Kipp & Zonen, Netherlands)

National Primary Standard Working Standard Field Instruments

Sunshine recorder Rotating mirror sunshine recorder M S-093A, M S-094 (EKO, Japan) Calibration: every 5 years

Meteorological Instrument Center (JMA)

Calibration : every 3 years

JM A Standard

Atmospheric Environment Division (JMA)

Pyrheliometer Absolute radiometer (WM O RAII Standard) (National Primary Standard) Sunshine recorder Rotating mirror sunshine recorder M S-093A, M S-094 (EKO, Japan) Calibration : every 3 years

Observatory (JMA)

20 Mar. 2018

SLIDE 13

National Primary Standard JM A Standard Working Standard Field Instruments

Laser Doppler velocimeter calibrated by turning table, Calibration wind tunnel, Tow carriage 0 - 20m/ s Ultrasonic anemometer DA-700 (Sonic, Japan) 20 - 90m/ s Pitot tube F-202 (Rika seiki, Japan), Differential pressure gauge M T210 (2sets) (YOKOGAWA, Japan) 0 - 30m/ s Ultrasonic current meter DA-470 (Sonic, Japan) 30 - 90m/ s Differential pressure gauge DPI145 (GEsensingjapan, Japan) Propeller anemometer Calibration : every 2 years Check: every month Check: every 5 years

Traceability of Wind Speed (JMA)

National Metrology Institute of Japan Meteorological Instrument Center (JMA)

Calibration : at the time of installation Pitot tube F-202(Rika seiki, Japan), Differential pressure gauge M T210 （ 2sets) (YOKOGAWA, Japan) Ultrasonic anemometer DA-700 (Sonic, Japan) Inspection equipment

f propeller

anemometer Digital tachometer

Meteorological Instrument Center (JMA)

Ultrasonic current meter DA-470 (Sonic, Japan) Differential pressure gauge DPI145 (GEsensingj apan, Japan)

Traceable to National standard (Time)

Check: every year Relational table between wind speed and rotation frequency of the propeller anemometer Calibration: every 2 years

Observatory (JMA)

20 Mar. 2018

SLIDE 14

Meteorological Instrument Center Japan Meteorological Agency

M a n n e d O b s e r v a t

r

y S p e c i a l A WS A u t

ma

t i c We a t h e r S t a t i

n

A u t

ma

t i c P r e c i p i t a t i

n

G a u g e S t a t i

n

M a i n t e n a n c e a t f i e l d s i t e M a n n e d O b s e r v a t

r

y , S p e c i a l A WS ：E v e r y 3 mo n t h s A WS ：O n c e

r

t w i c e i n a y e a r

I n s t r u me n t s

A n e mo me t e r s R a i n g a u g e s P y r a n

me

t e r s S u n s h i n e r e c

r

d e r s

M e t e

r
l
g

i c a l I n s t r u me n t C e n t e r ( T s u k u b a )

M I C i n s p e c t s a b

u

t 1 , 6 u n i t s

f

i n s t r u me n t p e r y e a r .

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

O v e r h a u l a n d I n s p e c t i

n

/ c a l i b r a t i

n

a t M I C : E v e r y 5 y e a r s .

SLIDE 15

Meteorological Instrument Center Japan Meteorological Agency

I n s p e c t i

n

/ c a l i b r a t i

n

: e v e r y 5 y e a r s

A n e mo me t e r s R a i n g a u g e s P y r a n

me

t e r s S u n s h i n e r e c

r

d e r s

C

h e c k i n g :

w h e t h e r t h e i n s t r u me n t a l e r r

r

c

n

c e r n e d i s w i t h i n a s p e c i f i e d r a n g e

r

n

t

i n c

mp

a r i s

n

w i t h s t a n d a r d i n s t r u me n t s .

S t a n d a r d i n s t r u me n t s f

r

r a i n g a u g e s

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

 O v e r h a u l a n d i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s a t M I C  O v e r h a u l

R

e p l a c e me n t

f

d e t e r i

r

a t e d / d a ma g e d p a r t s

A

d j u s t me n t

 I n s p e c t i

n

/ c a l i b r a t i

n

SLIDE 16

Meteorological Instrument Center Japan Meteorological Agency

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

※ O v e r h a u l a n d i n s p e c t i

n

f

r

r a i n g a u g e

R

e p l a c e me n t

f

d e t e r i

r

a t e d / d a ma g e d p a r t s

I

n s p e c t i

n
A

d j u s t me n t  O v e r h a u l a n d i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s a t M I C

SLIDE 17

Meteorological Instrument Center Japan Meteorological Agency

I s t h e r e a n y r u s t

r

d i r t i n s i d e t h e s h e l t e r ? I s t h e f a n w

r

k i n g p r

p

e r l y ? D

e

s t h e p r

p

e l l e r r e s p

n

d p r

p

e r l y t

w

i n d s ? C l e a n ? A r e t h e r e a n y s p i d e r w e b s ? D

e

s t h e h e a t e r w

r

k p r

p

e r l y ?

J M A r e g u l a r l y ma i n t a i n s A WS i n

r

d e r t

k

e e p t h e q u a l i t y

f
b

s e r v a t i

n

d a t a .

A n e mo me t e r P r e c i p i t a t i

n

G a u g e T h e r mo me t e r , h y g r

me

t e r & S h e l t e r I s t h e r e a n y d a ma g e ? I s t h e g a u g e i n s t a l l e d h

r

i z

n

t a l l y ? D

e

s t h e b u c k e t t i p p r

p

e r l y ?

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

 S i t e i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s  M a i n t e n a n c e a n d i n s p e c t i

n

a t f i e l d s i t e

I s t h e r e a n y d a ma g e t

t

h e s e n s

r

s ?

SLIDE 18

Meteorological Instrument Center Japan Meteorological Agency

※A s s ma n nt y p e( J M A u s e s )

A s p i r a t e d p s y c h r

me

t e r C h e c k

( E v e r y 3 mo n t h s )

P l a t i n u m r e s i s t a n c e t h e r mo me t e r / E l e c t r

n

i c h y g r

me

t e r

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

 S i t e i n s p e c t i

n

f

r

t h e r mo me t e r / h y g r

me

t e r ( M a n n e d

b

s e r v a t

r

y & S p e c i a l A WS )

P l a t i n u m r e s i s t a n c e t h e r mo me t e r ( p s y c h r

me

t e r )

 S i t e i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s

SLIDE 19

Meteorological Instrument Center Japan Meteorological Agency

＜M a n n e d

b

s e r v a t

r

y & S p e c i a l A WS ＞･･･＜M I C ＞

Wo r k i n g s t a n d a r d ( T r a v e l i n g s t a n d a r d ) Wo r k i n g s t a n d a r d C a l i b r a t i

n

＜M a n n e d

b

s e r v a t

r

y & S p e c i a l A WS ＞

T r a v e l i n g s t a n d a r d F i e l d i n s t r u me n t

M a i n t e n a n c e

f

f i e l d i n s t r u me n t s

 C

a l i b r a t i

n

b y c

mp

a r i n g w i t h t r a v e l i n g s t a n d a r d a t f i e l d s i t e e v e r y y e a r

r

e v e r y 2 y e a r s

.

 S i t e c a l i b r a t i

n

f

r

b a r

me

t e r ( M a n n e d

b

s e r v a t

r

y & S p e c i a l A WS )

※S a me l e v e l : T h e s e n s

r

s

f

t h e s e t w

b

a r

me

t e r s .

 S i t e i n s p e c t i

n

/ c a l i b r a t i

n
f

f i e l d i n s t r u me n t s

SLIDE 20

Meteorological Instrument Center Japan Meteorological Agency

 J

M A k e e p s t h e t r a c e a b i l i t y

f

me t e

r
l
g

i c a l i n s t r u me n t s .

 C

a l i b r a t i

n
f

s t a n d a r d s a t M I C .

 C

a l i b r a t i

n
f

f i e l d i n s t r u me n t s a t M I C ( b e f

r

e i n s t a l l i n g ) .

 J

M A ma i n t a i n s t h e f i e l d i n s t r u me n t s .

 O

v e r h a u l a n d c a l i b r a t i

n

/ i n s p e c t i

n

a t M I C e v e r y 5 y e a r s .

 S

i t e i n s p e c t i

n

/ c a l i b r a t i

n

w i t h t r a v e l i n g s t a n d a r d .

T h a n k y

u

f

r

y

u

r a t t e n t i

n

!

S u mma r y

 I

t i s i mp

r

t a n t t h a t N M H S s k e e p t h e t r a c e a b i l i t y

f

me t e

r
l
g

i c a l i n s t r u me n t s a n d ma i n t a i n t h e f i e l d i n s t r u me n t s t

a

s s u r e t h e q u a l i t y

f
b

s e r v a t i

n