Kipp & Zonen CGR4 Pyrgeometer

Product #: 0363900

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Best scientific pyrgeometer currently available

Low temperature dependancy, very low window heating.

Weather and UV proof cable and connector, reliable all weatherproof performance.

CGR4 requires no power and is ideal for battery powerd loggers.

Calculated LW downward radiation output.

Ambient Temperature: -40 - +176 °F (-40 - +80 °C)

Analog Output: Yes

Analog Outputs: -5 - 5 mV

Analogue Ouput Signal: -5 - 5 mV

Cable Connection: 8 pin plug

Cable Length: 33, 82, or 164 ft (10, 25 or 50 m)

Definiton of Measured Values: Long-wave atmospheric radiation

Digital Outputs: N.A.

Dimensions: Ø 5.9 in (150 mm), H 3 in (76.6 mm)

Field-of-View: 180 °

Housing Material: Anodised aluminum

IP Rating: IP67

Measuring Range: 4.4 - 50 µm

Non-linearity: ˂ 1 %

Non-stability: ˂ 1 %

Operating Humidity: 0 - 100 %

Operating Temperature Range: -40 - +176 °F (-40 - +80 °C)

Power Consumption: none

Power input: none

Response Time: ˂ 18 s

Sensitivity: 5 - 15 µV/W/m²

Temperature Dependence of Sensitivity: ˂ 1% (-4 °F - +122 °F)

Temperature Range: -40 - +176 °F (-40 - +80 °C)

Weight: 1.3 lbs (0.6 kg)

Zero offset A: < 4 W/m²

Zero offset B: < 2 W/m²