2-Pt. Acoustical Calibrator - Class 1 misc Dry: 6 lbs

Dry: 6 lbs

(enough for 4+ crop turns)

Speed: Adjustable with variable controls

1000W SupremeLux Extreme DE HPS w/ Philips Arc-Tube SupremeLux offers adjusted horticultural spectrum in HID grow lamps

Many common greenhouse pests and diseases thrive in the stale and humid air

2-Pt. Acoustical Calibrator - Class 1 misc Dry: 6 lbsFor calibration of all Sper Scientific digital sound meters and any sound meter with a " microphone. The 850012 Sound Level Calibrator is used to calibrate the sensitivity of the microphone and sound level measuring equipment. The design is based on the feedback method to ensure a highly stable sound pressure level. This compact and ergonomic sound calibrator conforms to ANSI S1. 40 1984 and IEC60942 (2003) Class 1 standard, and is perfect for