Use the picture below to determine which PAR Sensor (PAR-BTA) you have. Sensors sold from May 2023 have a Apogee SQ-100x sensor head that is......
PAR Sensor, Specifications and User Guide Specifications and User Guide TROUBLESHOOTING – Primary Test: Make sure that the sensor detects sunlight. Values for a bright......
Yes, we sell a PAR Sensor: Radiation that drives photosynthesis is called photosynthetically active radiation (PAR) and is defined as the total amount of radiation......
The Vernier PAR Sensor is calibrated before shipping and should not need user calibration. However, you can calibrate the sensor using the Clear Sky Calculator......
Vernier PAR sensors are calibrated before shipping. Each sensor head is calibrated through side-by-side comparisons to reference Apogee Instruments SQ series quantum sensors that are......
Yes, the sensor head of any Vernier PAR sensor is waterproof up to the plastic box that contains the electronics. This box is often called......
The main part of the a Vernier PAR sensor is a water proof sensor head. The end of the cable is attached to a voltage......
Radiation that drives photosynthesis is called photosynthetically active radiation (PAR) and is defined as the total amount of quanta across a the spectral range of......
Debris on any PAR sensor lens will partially block the optical path and will lead to low readings. Dust and other organic deposits are best......
For most cases you will not need to use a correction factor when measuring PPFD, but you may want to use a correction factor to......