Date ( Publication )

2011-03-30T17:51:00

Purpose

The CM6B Pyranometer is suitable for the routine measurement of incoming global solar radiation (0.3 to 2.8 µm spectral range), diffuse sky irradiance measurements, and surface reflected solar radiation measurement research.

The CM6B is a first class pyranometer as defined by the World Meteorological Organization.

Status

Completed

Maintenance and update frequency

As needed

GEMET ( Theme )

• thermal power plant

Keywords

• SHARE , Network , Station , High Altitude

Keywords ( Place )

• Nepal , Lobuche , Khumbu Valley , Sagarmatha National Park

Keywords ( Theme )

• AWS

Keywords ( Theme )

• global solar radiation

Use limitation

No conditions apply

Access constraints

Copyright

Other constraints

Character set

UTF8

Topic category

• Climatology, meteorology, atmosphere
• Environment
• Geoscientific information

Supplemental Information

Reference system identifier

EPSG / WGS 84 (EPSG:4326) / 7.4

Topology level

Geometry only

Geometric object type

Point

Geometric object count

1

OnLine resource

https://geoportal.mountaingenius.org/geonetwork/srv/api/records/2d3d8d57-8331-41f1-a12a-3840bf915d50/attachments/Data%20Usage%20Policy.pdf  

OnLine resource

https://geoportal.mountaingenius.org/portal/index.php/data/  

Hierarchy level

Series

Statement

The CM6B Pyranometer is suitable for the routine measurement of incoming global solar radiation (0.3 to 2.8 µm spectral range), diffuse sky irradiance measurements, and surface reflected solar radiation measurement research. The CM6B is fully compliant with all ISO-9060 First Class pyranometer performance specification criteria.

Benefits:

- Good cosine response

-Low dome IR offset error

- Good linearity

- Excellent long-term stability of sensitivity

The CM6B is a first class pyranometer as defined by the World Meteorological Organization. It is suitable for the measurement of solar irradiance on a plane surface (W/m2). It incorporates a 64-thermocouple sensor, which is rotationally symmetrical, housed under K5 domes. A white screen prevents the body of the pyranometer from heating up. The pyranometer is supplied with a spirit level and screws for accurate levelling. A drying cartridge keeps the interior free from humidity. The CM6B can be used in conjunction with the optional Kipp & Zonen CV2 ventilation system, for enhanced measurement performance and overall reduced instrument maintenance. Every CM6B is calibrated upon manufacture, and is supplied standard with a WRR (World Radiometric Reference) traceable calibration certificate.

The technical characteristics are:

- Spectral range: 305 to 2800 nm (50%points)

- Sensitivity: 9 to 15µV/Wm-2

- Impedance: 70 to100 Ohm

- Response time: 1/e 5 s, 99 % 55 s

- Non-linearity: <1.5 % (<1000 W/m2)

- Tilt error: <1.5 % at 1000 W/m2

- Operating temperature: -40 to +90 °C

- Temperature dependence of sensitivity +/- 2% (-10 to +40°C)

- Maximum irradiance 2000 W/m2

- Directional error: <+/- 20 W/m2 at 1000 W/m2

- Weight: 0.85 kg

- Cable length: 10

gmd:MD_Metadata

File identifier

2d3d8d57-8331-41f1-a12a-3840bf915d50   XML

Metadata language

eng

Character set

UTF8

Parent identifier

1802972c-49fa-4ddc-9622-4b50b858d7fd

Hierarchy level

Series

Date stamp

2025-02-07T16:45:08

Metadata standard name

ISO 19115:2003/19139

Metadata standard version

1.0