2-Pt. Acoustical Calibrator - Class 1 Tower Garden 7% O2 Temperature ºF: 32

7% O2 Temperature ºF: 32 to 122ºF 0

greens and most vegetables

and contaminants

Vital Oxide compatible with most commercial and carpet cleaning machines

2-Pt. Acoustical Calibrator - Class 1 Tower Garden 7% O2 Temperature ºF: 32For 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