The WPK-633C1 is an Outdoor Noise Measurements Kit for applications where there may be a tonal content to the noise. It consists of a weatherproof case containing the
CEL633 Advanced Environmental Sound Level Meter, Calibrator and rechargeable battery for 1 week's unattended operation. It also includes an Outdoor Microphone with extension cable and tripod. This version of the CEL633 meter is fitted with real-time 1/3 octave band filters for monitoring tonal noise.
