Type 1 Sound Meter AIR FILTER BOXES Length: 10 ft

Length: 10 ft

41-100 °F/5-38°C

Better flavor & yield: Helps prevent common phosphorus deficiencies that reduce quality and taste

this duct fan features an EC-motor that is precisely controlled using PWM (Pulse Width Modulation)

LED Source: Bridgelux

Type 1 Sound Meter AIR FILTER BOXES Length: 10 ftMeets IEC 61672 1: 2013 Class 1 and ANSI S1. 4: 2014 Type 1 requirements for sound meters. Features fast or slow time weightings, peak hold and AC output. A calibration adjustment allows the user to quickly calibrate the meters internal electronics. Can also be acoustically calibrated, in compliance with OSHA, using Acoustical Calibrator 850016 or equivalent. CE Approved. Comes ready to use with a windscreen, calibration tool, instructions, and two 9V