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The PS-3701 detector is designed for direct evaluation of Photosynthetic Active Radiation in the 400 to 700 nm wavelength range. This detector can also be made water proof with an optional dome cover.

Traceable Calibration

Calibration of the detector responsivity is performed by the Gigahertz-Optik GmbH calibration laboratory for optical radiation measurements quantities. As with all light detectors supplied by Gigahertz-Optik calibration of absolute detector responsivity as well as detector individual measured relative spectral responsivity data is included.

PS-3701 Typical Spectral Response
spectral responsivity

PAR Actinic
400 nm - 700 nm

typical responsivity

100 nA/(µMol·m²·s)

Max. signal current

1 mA

Size input optic

15 mm Ø Diffuser

temperature range

(5 - 40) °C

Cable Length

2 m

Plug Types


min. signal current

depends on optometer

Rise time

2 µs

Type Description File-Type Download
Datasheet PS-3701 PDF
Produktname Product Image Description Show product
P-9710 High-quality device for measurement of CW-, single pulse and modulated radiation.

Features: Optometer for all detector heads with calibration data plug. Measurement modes: CW, pulse energy, dose, peak-to-peak, effective luminous intensity (Blondel-Rey), data logger, battery, main power, RS232
X1 Four-channel USB optometer designed for mobile use.

Features: Compact device for use with all photometric, radiometric, colorimetric, plant-physiologic and photo-biologic measurement heads from Gigahertz-Optik. USB interface. Battery operation or power supply USB.
Article-Nr Modell Description Request / Compare
15296575 PS-3701 (-1 Connector)

Detector, Calibration Certificate

15297031 PS-3701 (-2 Connector)

Detector, Calibration Certificate

15297032 PS-3701 (-4 Connector)

Detector, Calibration Certificate

15300577 K-FOV

Calibration of cosine field of view function

15300571 K-UV-SR

Calibration of relative spectral responsivity from 250 nm to 550nm

15300214 K-PS3701-I

recalibration with calibration certificate

15295379 /WQ

Waterproof option for PS-37 detectors. Quartz dome for UV-VIS-NIR spectral range. Sealed bottom plate

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