ES-S228D direct solar radiation meter

The ES-S228D direct radiation meter is a Class I standard radiation meter used to measure radiation perpendicular to the solar surface and scattering over a narrow circumpolar sky around the sun. It conforms to the ISO 9060 international standard.

The ES-S228D direct radiation meter is a Class I standard radiation meter used to measure radiation perpendicular to the solar surface and scattering over a narrow circumpolar sky around the sun. It conforms to the ISO 9060 international standard (Specifications and classifications of solar, hemispherical, and direct radiation meters). It can be used as a Class I standard direct radiation meter. Suitable for various harsh environments, it offers rapid response and high accuracy.

Parameters

Class A

Class B

Spectral Range

280 ~ 3000nm

280 ~ 3000nm

Measurement Range

0-4000W/m2

0-4000W/m2

Sensitivity

7-14uV/W.m-2

7-14uV/W.m-2

Time Constant

≤5S(99%).

≤8S(99%).

Aperture Angle

Annual Stability

±1% (sensitivity change rate)

±1% (sensitivity change rate)

Internal Resistance

10-30Ω

10-50Ω

Power Supply

DC 9~30V

DC 9~30V

Output Signal

RS485/0 - 20mV/4 ~ 20mV

RS485/0 - 20mV/4 ~ 20mV

Measurement Accuracy

<1%

<2%

Operating Environment

-40°C ~ 70°C

-40°C ~ 70°C

Operating Humidity

0~100%RH

0~100%RH

Cable Grade

Rated Voltage: 300V Temperature Rating: 80°C

Rated Voltage: 300V Temperature Rating: 80°C

Product Dimensions

213*90*58 (mm)

213*90*58 (mm)

Product Weight

0.5kg (excluding cable)

0.5kg (excluding cable)

Documents

Take the next step

Get a Quote

Request a quote from us based on your specific requirements

To be a Distributor

If you want to distribute sentec brand in your local area, you can contact us for more.

Installation & Maintain

A group of  professional engineer is here to help your sensor installation & maintenance.

Get Contact!