ES-S228T-B Total solar radiation sensor (Class B)

Classified according to ISO 9060/WMO standards

Grade B/Good Quality

Response time (95% response)

<10s

Zero-point offset:(a) Corresponding to 200 W/m² net thermal radiation (ventilation)

<15 W/m²

Zero-point offset:(b) Response to Ambient Temperature Variation of 5 K/h

<4W/m²

Stability (Variation/Year, Percentage of Full Scale)

±1.5%

Nonlinearity

±1%(100~1000 W/m²)

Directional Response

±20 W/m²

Temperature Response

<4%(-10~40℃)

Tilt Response

<2%

Sensitivity Range

7-14μV/(W/m²)

Operating Temperature

-40～+80℃

Internal Resistance

<50Ω

Standard Cable Length

3m

Measurement Range

0~2000W/m²

Cable Replacement

Users can remove and install cables

Spectral Range

280~3000 nm (50% transmittance)

Reading Requirements

One differential voltage channel or one single-ended voltage channel

Horizontal Calibration

Includes bubble level and adjusting feet

Solar Exposure Uncertainty

±2%

Weight (excluding cable)

0.8kg

Calibration Traceability

WRR traceability, procedure according to ISO9847

Recommended Calibration Cycle

Biennially

Output Signal

Original output 0～20mV,Optional RS485/4～20mA output (not for external transmitter)