Apogee Instruments - Guardian CEA Multi-Sensor Monitor

Brand: Apogee Instruments

The Apogee Guardian is an all-in-one controlled-environment monitor measuring PAR or ePAR, air temperature, humidity, VPD, dewpoint, CO2, barometric pressure, DLI, and photoperiod from one device.

Pick the full-spectrum model for PAR (389-692 nm) or the ePAR model for the extended 383-757 nm range, and the connection that fits your system.

Available Options

• Full-Spectrum PAR, Modbus 5m cable (SM-500)
• Full-Spectrum PAR, USB cable + AC power brick (SM-500-AC)
• ePAR 400-750 nm, Modbus 5m cable (SM-600)
• ePAR 400-750 nm, USB cable + AC power brick (SM-600-AC)

Key Features

• Measures PAR or ePAR, temp, humidity, VPD, dewpoint, CO2, pressure, DLI, photoperiod
• Simultaneous Modbus and Bluetooth (ApogeeConnect app)
• Cosine-corrected, drift under 2%/yr, NIST-traceable
• Rugged ASA housing, IP53, 0-95% RH
• Made in the USA and backed by Apogee's industry-leading warranty and support.

Ideal Applications

• Greenhouse and grow-room monitoring
• Crop steering and VPD management
• Controller integration