VA-6505 NT1 Noise Detector PA System Datasheet Manual Firmware Feature* Probes can be connected in series or in parallel, and each digital probe can be connected up to 16 or less.* The sampling frequency period can be customized.* Collect the environmental noise on site, process it and send the signal back to the testing host.* Full digital noise collection probe.* Cascading function: one input and one output respectively.* High and low pass fifilter frequency adjustable function.* Long-distance transmission: up to 3 km.Specifications:MICCapacitiveCommunication modeSingle line routeNoise frequency point filter4 segmentsOutput Voltage1V/600ΩFrequency Response80-18KHz(+1/-3dB )THD≤1%Power consumption4WTransmission distance3KMPower supply~220V 50HzDimension240 x 155mmWeight0.9Kg