Description
Technical Specifications
| Voltage – Supply | DC 12 V / DC 9 V to 30 V |
| Operating Temperature |  -40 °F to 176 °F (-40 ℃ to 80 ℃) |
| Resolution (Bits) | 0.1 dB |
| Frequency | 20 Hz to 12.5 kHz |
| Output signal | RS 485 (Modbus protocol) RS 232 4 mA to 20 mA 0 V to 5 V, 0 V to 2.5 V |
| Measuring range | 30 dB to 130dB (A) |
| Accuracy | ±3 dB |
| Power Supply | 5 V DC or 9 V DC to 30 V DC |