SI512 Sound Intensity Probe is an ICCP powered probe with remote control functions. SI512 can be directly connected to ICCP inputs using two BNC cables. The USB cable between the probe and computer provide the control of sound intensity software.
Features
- ICCP® powered with BNC connectors
- Remote-control functions via USB cable
- Accurate phase matched microphones
- Face to face configuration
- 1/3-octave centre frequency ranges: 63 Hz to 5 kHz
- Well-defined acoustical microphone separation.
| SOUND INTENSITY PROBE SI512 | |
| Standard | IEC 1043 Class 2 |
| Frequency Range (1/3 Octave) | 8.5 mm Spacer: 250 Hz ~ 5000 Hz 12 mm Spacer: 160 Hz ~ 5000 Hz 50 mm Spacer: 63 Hz ~ 1250 Hz |
| Weight | 0.4 kg |
| Output Connector | 7-pin Lemo in the Probe |
| Cable to ICCP inputs | 5 m Lemo cable with connection box. The connection box has 2 BNC and 1 USB connectors |
| Case Dimensions | 400 x 200 x 70 mm |
| Remote control Port | USB |
| MICROPHONE PAIRS | |
| Microphones | Selected Type 1 MP231 for intensity microphone pair |
| Preamplifier | BSWA Type MA221 preamplifier |
| Diameter | 1/2 inch |
| Response | Free Field |
| Combined Sensitivity | 40 mV/Pa |
| Microphone Phase Response Difference | <0.3º, 45 Hz ~ 500 Hz <1º, 500 Hz ~ 2500 Hz <2º, 2500 Hz ~ 6000 Hz |
| Amplitude Response Difference (Ref 250 Hz) | < 0.5 dB ; 45 Hz ~ 6000 Hz |
| Equivalent Air Volume | 250 mm3 at 250 Hz |
| Temperature Coefficient (-10 ~ 50°C) | -0.005 dB/°C |
| Humidity Coefficient | -0.003 dB/%RH |
| Pressure Coefficient (250 Hz) | -0.004 dB/kPa |
| Dimensions | IEC61094-4 Type WS |