Item Code 3S-2IS
Reference Cell Monocrystalline Silicon (31 mm x 31 mm)
Current Shunt High precision shunt resistor directly soldered to the terminals of the cell
Irradiance Range 0 – 1600 W/m²
Uncertainty ≤1,2% (less than 2%; as per IEC61724-1 standard Class A)
Resolution 0.1 W/m2 (less than 1W/m²; as per IEC61724-1 standard Class A)
Response Time 1 sec. (less than 3 sec; as per IEC61724-1 standard Class A)
Drift Very small drift of <0.3%/ year
Field of View Larger than 160°; as per IEC61724-1 standard Class A
Tilt-Azimuthal Angle 0°- 0° (≤ 1°; as per IEC61724-1 standard Class A)
Output Rate 1/s
Data Output RS485 up to 38400 Baud
Communication Protocol Modbus RTU
Power Supply 12 to 30 VDC
Power Consumption 25 mA max @24 VDC
Electrical Connection 3 m LIYYC11Y PUR Cable, UV and Weather Resistant
Galvanic Isolation 1000 V between power supply and RS485 bus
Cell Temperature Sensor Type PT1000 Class A as per EN 60751
Operating Temperature Range -40°C to +85°C
Operating Humidity Range 0 to 100%
Reference Cell Dimensions 140 mm x 110 mm x 42 mm (W x L x H)
Weight 0,3 kg
IP Rating IP54 (IP65, IP68 options)
Sensor Housing Material Aluminum
Calibration Each sensor is calibrated under Class AAA Sun Similator as per IEC 60904-2 and IEC 60904-4 by using a reference cell calibrated by ISFH-Germany
Test The test is carried under natural sunlight by using a calibrated reference cell from Fraunhofer ISE, Germany
Connected External Sensors Two Module Temperature Sensors (3S-MT-PT1000)
Ambient Temperature Sensor (3S-AT-PT1000)
Wind speed sensor (3S-WS-PLS)


Dual Orientations Irradiance Sensor wiring


Dual Orientations Irradiance Sensor setting