Specifications

Function

• forming a diffusometer when combined with a pyranometer

Diffusometer measurand

• diffuse solar radiation in W/m²

Instrument compatibility

• SR30, SR15 pyranometers (recommended)

Instrument compatibility

• SR25, SR22, SR20 pyranometers (with optional mounting adapter)

Diffusometer zero offset a

• with SR30: 2 W/m²

Diffusometer zero offset a

• with SR15: 5 W/m²

Diffusometer zero offset a

• with SR25: 1 W/m²

Diffusometer zero offset a

• with SR20: 5 W/m²

Use with heating

• with SR30 and SR25

Use with ventilation

• with SR30

Ring inner diameter

• 476 x 10⁻³ m

Ring profile

• U-profile

Weight

• 3.75 kg

Ring width/radius ratio

• -40 to +80 °C

Field of view angle

• 10.6 °

Material

• anodised aluminium

Rated operating temperature range

• -40 to +80 °C

Pyranometer tilt angle range

• -90 to 90 °

Bubble level

• included

Levelling screws

• included

Required adjustment interval

• according to adjustment table

Application of correction factors

• user responsibility

Options

• mounting adapter for SR20, SR22 and SR25