Pyrgeometer for Far Infrared Radiation (FIR) measurement With RS485 Modbus-RTU output

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Specifications

Sensor

  • Thermopile

Typical Sensitivity

  • 5-10 μV/(W/m2)

Impedance

  • 33 Ω ÷ 45 Ω

Measuring Range

  • -300 ÷ +300 W/m²

Viewing Angle

  • 160°

Spectral Range (50%)

  • 5.5 ÷ 45 μm

Operating Temperature

  • -40° C ÷ 80° C

Output

  • LPPIRG01: Analog in μV/Wm²
  • LPPIRG01S: Digital RS-485 Modbus-RTU

Power Supply

  • LPPIRG01S: 5 ÷ 30 Vdc

Connection

  • 8-Pole M12 Connector

Weight

  • 0.9 kg

Accuracy of Levelling Device

  • < 0.1°

Protection Degree

  • IP 67

MTBF

  • > 10 years

Response Time

  • < 28 seconds

Zero Offset (Type B)

  • < | ± 4| W/m2

Long-Term Instability

  • < | ± 1.5| %

Non-Linearity

  • < | ± 1| %

Spectral Selectivity

  • < | ± 5| %

Temperature Response

  • < 3 %

Tilt Response

  • < | ± 2| %

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