13
LI0056 – Revision 28 May 2015
Data was collected in a temperature of 23 °C (±3 °C) and in a relative humidity of 60 %
±20 %.
Frequency response for the set
±1.0 dB
10 Hz – 30 kHz
±2.0 dB
6.5 Hz – 140 kHz
Resonance frequency
90 ° phase shift
160 kHz
Nominal open-circuit sensitivity
at 250 Hz
1 mV/Pa
Dynamic range
Upper limit (3% distortion)
174 dB re. 20 µPa
Thermal noise
44 dB(A) re. 20 µPa
Effective front volume
Nominal at 250 Hz
0.1 mm
3
Temperature range
–30 °C to +70 °C
Temperature coefficient (250 Hz)
–30 °C to +70 °C
0.01 dB/°C
Static-pressure coefficient
250 Hz at 25 °C
– 0.01 dB/kPa
Output impedance
Typical
75
Ω
Humidity (non-condensing)
Range:
0 – 95 % RH
Influence (250 Hz):
<0.1 dB (0 - 100 % RH)
Ordering Information
Included Items
Part Number
Blast Probe According to ANSI S12.42 (includes microphone and
preamplifier in the probe housing, and a travel case)
67SB
1.5 mm Hex key
YY0012
Calibration plug
GR1423
External Calibration Adapter
GR1462
Manual
LI0056