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2-Pronged Adapter Plug: The adapter's 2-pronged plug is compatible with both Type-A and Type-B sockets for wider power accessibility
providing ample coverage for multiple projects
Dry: 6 lbs
(enough for 4+ crop turns)
Energy Efficient: The design of these fans combined with their advanced technology ensure they are highly energy efficient
2-Pt. Acoustical Calibrator - Class 1 misc 2-Pronged Adapter Plug: The adapter'sFor 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
US$ 195.00
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US$ 20.00
