Type 46BD


Type 46BD
A combination of ¼″ Prepolarized Pressure Microphone Type 40BD and ¼″ CCP Preamplifier Type 26CB with Microdot co-axial connector.
Specifications Type 46BD (pressure response)
Frequency response (see also Fig. 4):
10 Hz - 25 kHz: . . . . . . .± 1.0 dB
4 Hz - 70 kHz: . . . . . . . ± 2.0 dB
Nominal sensitivity:
1.6 mV/Pa
Polarization voltage:
0 V
Dynamic range:
Upper limit: . . . . . . .165 dB re. 20 μ Pa
Lower limit: . . . . . . .44 dBA re. 20 μ Pa
Output impedance:
Typical: . . . . . . .< 50 Ω
Power-supply:
2 m A to 20 m A (typically 4 m A)
Maximum signal-output voltage (peak):
± 8.0 V
Temperature:
Operation: . . . . . . .– 30 oC to + 70 oC
Storage: . . . . . . .– 40 oC to + 85 oC
Coefficient (250 Hz): . . . . . . . – 0.01 dB / °C
(– 10 °C to +50 °C)
Relative humidity:
Operation: . . . . . . .0 to 95 %
Storage: . . . . . . .0 to 95 %
Influence (250 Hz): . . . . . . .< 0.1 dB
Static-pressure coefficient:
– 0.008 dB / k Pa
Influence of axial vibration, 1 m/s2:
55 dB re. 20 μ Pa
Connector:
Microdot: . . . . . . .Co-axial
Dimensions and weight:
Diameter: . . . . . . .6.9 mm
Length: . . . . . . .53 mm
Weight: . . . . . . .8 g
Relationship Files

전체선택 전체해지 선택 다운로드