Apogee Instruments SQ-521-SS SDI-12 Digital Full-Spectrum Quantum Sensor – Brand New
Apogee Instruments SQ-521-SS SDI-12 Digital Full-Spectrum Quantum Sensor – Brand New
Hero image 0 of Apogee Instruments SQ-521-SS SDI-12 Digital Full-Spectrum Quantum Sensor – Brand New
Popular pick

Apogee Instruments SQ-521-SS SDI-12 Digital Full-Spectrum Quantum Sensor – Brand New

4 stars out of 4 reviews
(4)|
16 ratings

About this item

Brand-new Apogee Instruments full-spectrum quantum sensor, model SQ-521-SS.

SQ-520 USB Full Spectrum Smart Quantum LED PAR Sensor - Apogee

This one’s got SDI-12 digital output—great for research-grade environmental monitoring, greenhouses, or solar studies.

SQ-521-SS: Full spectrum quantum sensor, SDI-12

Measures PAR across the full spectrum.

Apogee SQ-647-SS - SDI-12 Quantum Light Pollution Sensor - Scaled

Still sealed in original packaging.

Apogee MQ-510 Full Spectrum Meter for rent (1 week) Measure & control

No UPC, but it’s 100% authentic Apogee.

SQ-521-SS SDI-12 Digital Output Full-spectrum Quantum Sensor MYJ

If you need accurate light data, this is the one.

Apogee SQ-204X-SS – Amplified 4-20mA Original Quantum Sensor – Scaled

Full Spectrum Quantum Sensor – Scientific

Apogee SQ-500-SS - Full-Spectrum Quantum Sensor - Scaled Instruments

$ 155.25
Price when purchased online
  • Free shipping
  • Free 30-day returns

How do you want your item?

You get 30 days free! Choose a plan at checkout.
How do you want your item?
Sold and shipped by 88doorsmanagement.com
Free 30-day returns

Customer ratings & reviews

4 out of 5 stars
stars16 ratings4 reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.