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Pyranometer Shadow Ring

Name: Pyranometer Shadow Ring
Brand: TrackSo
SKU: AAEYA
Price: 745.96 USD
Availability: InStock

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SKU AAEYA Category Pyranometer Brand TrackSo Condition New

Specifications

Material	Anodised Aluminium
Function	Forming a diffusometer when combined with a pyranometer
BASE PLATE DIAMETER	250 x 10-3 m
Weight	15 kg
Diffusometer measurand	Diffuse solar radiation in W/m2
Ring inner diameter	476 x 10 power-3 m
Ring rim height	22
Ring width	44
Ring profile	U-profile
Average view angle	10.6 Degree
Ring height/radius ratio	0.185
Maximum diameter shaded area	40 x 10-3 m
Pyranometer tilt angle range	-90 to 90 Degree
Sliding bar resolution	1 x 10-3 m
Sliding bar accuracy	+/- 0.5 x 10-3 m
Sliding bar range	+/-110 x 10-3 m
Maximum bounding box height	770 x 10-3 m
Maximum bounding box depth	725 x 10-3 m
Maximum bounding box width	516 x 10-3 m
Horizontal bar height	246 x 10-3 m
Rated operating temperature range	-40 to +80 Degree C

Key Features

cost effective solution for deriving the constitute global short-wave diffuse and direct beam solar

Product Description

When properly installed and routinely adjusted, the Shadow-Ring obstructs the daily direct beam solar component from irradiating the radiometer mounted within the shadow-ring, from sunrise to sunset. Mechanical adjustment of the Shadow Ring is recommended every two days for optimal measurement performance.The resulting measurement when optioned with a class 1 pyranometer is representative of the total global diffuse short-wave irradiance signal in W/m. Because the shadow-ring obstructs a portion of the diffuse sky field measured by the pyranometer, it is recommended to apply a small multiplier correction to account for the sky-field obstruction in the calculated diffuse irradiance measurement results. When used in conjunction with a second non-shaded pyranometer, it is possible to infer direct beam solar disk irradiance by subtracting the corrected shaded pyranometer diffuse irradiance values from the non-shaded pyranometer global solar irradiance values, for the same time indices sampled.The Shadow Ring provides a reliable cost effective solution for deriving the constitute global short-wave diffuse and direct beam solar irradiance components, in contrast to auto-tracking radiometer instrument solutions costing thousands more.

auto-tracking radiometer instrument solutions costing thousands

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Frequently Asked Questions

It forms a diffusometer when combined with a pyranometer, allowing for the measurement of diffuse solar radiation in W/m² by obstructing the direct beam solar component.

The Shadow Ring is constructed from anodised aluminium, ensuring a lightweight yet sturdy design.

The Pyranometer Shadow Ring weighs 15 kg, making it manageable for installation and adjustment.

The maximum diameter of the shaded area is 40 mm, which is crucial for effective measurement of solar irradiance.

It operates within a temperature range of -40 to +80 degrees Celsius, allowing for use in various environmental conditions.

It is recommended to mechanically adjust the Shadow Ring every two days to maintain optimal measurement performance.

The sliding bar resolution is 1 mm, which aids in precise adjustments during installation.

The average view angle is 10.6 degrees, which affects the measurement of solar radiation.

The maximum bounding box dimensions are 770 mm in height, 725 mm in depth, and 516 mm in width.

The ring profile is U-shaped, which is essential for its function in measuring solar irradiance.

The inner diameter of the ring is 476 mm, which is designed to accommodate the pyranometer effectively.

When used with a second non-shaded pyranometer, it allows for the inference of direct beam solar disk irradiance by subtracting the corrected shaded pyranometer values from the non-shaded values.