PAR Sensor-Photosynthetic Active Radiation Sensor

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PAR Sensor

Photosynthetically active radiometer, also known as photon number, is mainly used to measure the photosynthetic active radiation of natural light in the wavelength range of 400-700nm. PAR Sensor is simple to use and can be directly connected to a digital voltmeter or data collector. Use under all-weather conditions.

Photosynthetically active radiation sensors are designed to measure light intensity at frequencies associated with photosynthesis. This sensor has a measurement range of 0 to 2500 umol/m2/sec and a wavelength range of 400 to 700 nm. All aluminum shell material, good waterproof, can be used outdoor for long-term monitoring. Provide you with RS485/0-5V/0-10V/4-20mA and other signal output methods.

PAR Sensor Features

The PAR (photosynthetically active radiation) sensor adopts the principle of photoelectric induction. The par sensor working principle: when there is light, a voltage signal proportional to the intensity of the incident radiation is generated, and its sensitivity is proportional to the cosine of the direct angle of the incident light.

This par sensor uses high-precision photoelectric sensing elements, with high absorption in the 400-700nm spectral range and good stability. The shell adopts special treatment to reduce dust adsorption and effectively prevent the external environment from damaging the internal components. It is widely used in the research of meteorology, agriculture, air pollution, and other fields.

PAR Sensor

Why Choose JXCT PAR Sensor?

1、High accuracy

The built-in sensor adopts high-precision photoelectric sensing element, which has high spectral responsivity and sensitive response to the spectrum of 400~700nm. A high-quality cosine corrector is used to ensure a standard cosine response, which greatly reduces the measurement error.

2、Long using life

The overall housing of the Renke PAR sensor is made of a special aluminum alloy that will not accumulate dust and rain. This keeps the sensor clean and minimizes errors caused by dust blocking the radiation path. It can also work normally in harsh environments.

3、Remote monitoring

The par sensor can be connected to the customer’s own data device or use the free cloud platform we provide. Easily access data remotely, so you can view data through computer/APP anytime, anywhere. Accurate indoor/outdoor PAR measurement.

FAQ

1、How to install this photosynthetic active radiation sensor?

Secure the sensor to the mounting bracket using screws through the mounting holes on the sensor.

Make sure the device is parallel to the ground (adjust the hand screw and check the level of the bubble to determine whether it is parallel).

After installation, remove the protective cover.

2、Can PAR be estimated from total shortwave radiation?

It is better to measure PAR and total shortwave radiation (PYR); however, PAR can be estimated from total shortwave radiation by using a physically-based model.

3、How are photosynthetically active radiation sensors calibrated?

Our photosynthetic radiation sensors have been calibrated before leaving the factory, and can be used directly without the need for secondary calibration by customers.

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