SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor
SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor
SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor
SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor
SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor
SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor

SQ-642-SS 0-2.5 V output Quantum Light Pollution Sensor

Regular price $542.00
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The SQ-642 Quantum Light Pollution is an amplified sensor with a 0 to 2.5 V output. The sensor features a rugged, aluminum housing that is fully-submersible and built to withstand harsh conditions, and high-quality cable terminating in pre-tinned pigtail leads for easy connection to dataloggers and controllers. The sensor cable includes an IP68 marine-grade stainless-steel cable connector to simplify sensor removal and replacement from permanent installations for maintenance and calibration. Typical applications of Quantum Light Pollution sensors include incoming PFD measurements over plant canopies in indoor greenhouses or in growth chambers, and reflected or under-canopy (transmitted) PFD measurements in the same environments. 

The analog version of this sensor (SQ-640) comes with the inline cable connector placed 30 cm from the sensor head for either standard use as a long-cable pigtail sensor, or for use with our microCache Bluetooth Micro Logger by unscrewing the connector, discarding the long section of cable and then screwing the sensor to the mating connector on the microCache.

 

FOR MORE PRODUCT INFORMATION, CHECK OUT THESE LINKS

 

MORE INFORMATION ON APOGEE QUANTUM LIGHT POLLUTION SENSORS >> click here

 

How is the SQ-642 different from previous Apogee quantum sensors?

The SQ-642 is an extended range photon flux density (PFD) 0 to 2.5 V sensor with a spectral range of 340 to 1040 nm ± 5 nm, which can be seen in the graph below. 
SQ-620 Spectral Response
Where is the SQ-642 used?

Many plants are affected by interruptions in dark periods even by extremely dim light. Apogee’s new Quantum Light Pollution Sensor is designed to detect photons from 340-1040 nm that are below the sensitivity level of a typical quantum sensor. Detecting stray photons that disrupt the night is critical in preventing negative effects in plants such as hermaphrodism and stunted growth.

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