Power supply 10-30V DC (24V DC recommended for 0-10V output models)
Max. power consumption 0.4W (RS485), 1.2W (analog)
Resolution 0.1dB
Measure range 30dB-130dB (RS485), 30dB-120dB (analog)
Frequency range 20Hz-12.5kHz
Response time ≤3s
Stability <2% over the lifecycle
Noise accuracy ±0.5dB (at reference pitch, 94dB @ 1kHz)
Circuit operating environment -20°C-+60°C, 0%-95% RH (non-condensing)
Output signal RS485/0-5V/0-10V/4-20mA