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