Annex I

Annex to paragraph 4.3.6 of the general summary

INSTRUMENT CATALOGUE

The Commission agreed that the content and format of the Instrument Catalogue should be based on the example as follows:

Questionnaire to manufacturers of meteorological instruments and observing systems

Please provide the following information where applicable:

Name of Manufacturer:

Address:[street or P.O. Box]

[city, state]

[postcode]

[country]

Telephone: +

Fax: +

Telex:

E-mail:

Internet URL: http://...

If you are manufacturing instruments or observing systems for measurements in one or more of the following variables, please "tick" the appropriate boxes:

Item1

Variable/system

x

Name/type of instrument or sensor

I.2

Temperature

I.3

Pressure

I.4

Humidity

I.5

Surface wind

I.6

Precipitation

I.7

Radiation

I.8

Sunshine duration

I.9

Visibility

I.10

Evaporation

I.11

Soil moisture

I.12

Upper air pressure, temperature, humidity

I.13

Upper wind

I.14

Present and past weather and state of the ground

I.15

Clouds

I.16

Ozone

II.1

Automatic weather stations

II.2

Aeronautical meteorological stations

II.5

Profiling techniques (for the boundary layer and troposphere)

II.6

Rocket measurements (in the stratosphere and mesosphere)

II.7

Locating the sources of atmospherics

II.8

Satellite observations

II.9

Radar measurements

II.10

Balloon techniques

III.1

Data acquisition techniques
III.2 Quality control and calibration

Place: ............................... Date: .................... Signature: .............................................

1 The numbering applied is in conformity with the parts and chapters of the sixth edition of the Guide to Meteorological Instruments and Methods of Observation (WMO-No. 8).

2 WMO Instrument Catalogue Information Sheet


Example

WMO Instruments Catalogue Variable: Radiation

Information Sheet2 Instrument: Light bulb

Manufacturer: Bulbs Inc., xxx

Type: FRT/1997

- Example only -

Catalogue No.: x.y.z

Updated: ... 1998

General information

1. Principle of operation3 (e.g. Platinum resistance

thermometer):

2. Main technical characteristics

2.1 Application:

2.2 Measuring range:

2.3 Uncertainty:

2.4 Time constant:

2.5 Averaging time:

2.6 Reliability

2.6.1 Mean time between failures:

2.6.2 Calibration and maintenance interval:

2.7 Interface and output details:

2.8 Power requirements:

2.9 Quantitative information on operating environment (such as: temperature, humidity, wind conditions or whether suitable to work under severe weather conditions, e.g. icing, sand storm, air pollution):

Experiences and other information

3. Intercomparisons and tests performed:

4. Costs

4.1 recommended price:

4.2 annual operating costs:

5. Name, address, etc. of the manufacturer:

Tel.:

Fax.:

Telex:

E-mail:

URL (Internet server): http://

6. References, patents and registered marks information:

7. ISO, ASTM, IEC, CEN, DIN-information on standard references:

________

2 The World Meteorological Organization (WMO) does not accept responsibility for the information contained in this sheet.

3 See Guide to Meteorological Instruments and Methods of Observation.