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Model: 377B26

$3,750.00 USD
(Pricing valid in US only)

Datasheet

Probe Microphone ICP®

 How we compare with our competitors.

  • Frequency Range: (+2.2/-4.9dB) 2 to 20000 Hz
  • Inherent Noise: 44 dB(A) re 20 µPa
  • Dynamic Range: (3% Distortion Limit) 165 dB re 20 µPa

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 English:SI: 
Performance
Sensitivity (at 250 Hz)2.15 mV/Pa2.15 mV/Pa[3] 
Sensitivity (±2dB)(at 250 Hz) )-53.35 dB re 1 V/Pa-53.35 dB re 1 V/Pa[3] 
Frequency Range (+2.2/-4.9 dB)2 to 20000 Hz2 to 20000 Hz[1] 
Frequency Response.See GraphSee Graph[4][5][6][7][8] 
Lower Limiting Frequency (-3 dB)0.25 to 3.0 Hz0.25 to 3.0 Hz 
Inherent Noise44 dB(A) re 20 µPa44 dB(A) re 20 µPa[2] 
Dynamic Range(3% Distortion Limit)165 dB re 20 µPa165 dB re 20 µPa[2] 
Environmental
Temperature Range (Operating)-40 to +158 °F-40 to +70 °C[9] 
Temperature Range (Probe Tip)-40 to +1472 °F-40 to +800 °C[10][11] 
Temperature Range (20mm Probe Tip)-40 to +752 °F-40 to +400 °C[10] 
Temperature Range (40mm Probe Tip)-40 to +1472 °F-40 to +800 °C[10][11] 
Temperature Range (80mm Probe Tip)-40 to +1472 °F-40 to +800 °C[10][11] 
Influence of Axial Vibration (0.1g (1 m/s²))62 dB re 20 µPa62 dB re 20 µPa[2] 
Electrical
Polarization Voltage0 V0 V[12] 
Excitation Voltage20 to 32 VDC20 to 32 VDC 
Constant Current Excitation2 to 20 mA2 to 20 mA 
Output Bias Voltage10 to 14 VDC10 to 14 VDC 
Maximum Output Voltage+/-8 Vpk+/-8 Vpk 
Output Impedance<50 Ohm<50 Ohm 
Physical
Housing MaterialStainless SteelStainless Steel 
Probe MaterialStainless SteelStainless Steel 
Electrical ConnectorBNC JackBNC Jack 
Size - Diameter (with grid)0.5 in12.7 mm 
Size - Length4.4 in111 mm 
Weight1.9 oz55 gm[2] 

All specifications are at room temperature unless otherwise specified.


CE

Product Notes
[1] Individually calibrated with 20mm probe tip (20 Hz to 20 kHz).
[2] Typical.
[3] Individually calibrated with 20mm probe tip.
[4] 20mm probe tip.
[5] 25mm probe tip.
[6] Bruel & Kjaer data derived from 4182 Product Datasheet, BP 0659-15 95/04.
[7] G.R.A.S. data derived from 40SC Product Manual, Revision 31 07 2007.
[8] Information based on published specifications of G.R.A.S. and Bruel & Kjaer at time of posting
[9] Probe microphone body.
[10] At probe tip end
[11] With heat sink.
[12] Prepolarized
[13] See PCB Declaration of Conformance PS076 for details.
Accessories:
Supplied
012A10Extension cable, black coaxial (RG58/U), 10-ft, BNC plug to BNC plug(1)
100-11129-30FILE(1)
100-11509-90GREASE(1)
51606-01HEAT SINK/DISC TOOL(1)
51607-01CALIBRATION ADAPTOR FOR METAL PROBE(1)
51607-02CALIBRATION ADAPTOR FOR FLEXABLE PROBE(1)
53434-0120mm PROBE TIP(1)
53434-0240mm PROBE TIP(1)
53434-0380mm PROBE TIP(1)
53434-04160mm PROBE TIP(1)
54073-01CLEANING TUBE(1)
55103-01PLIERS(1)
55454-01FLEXIBLE TUBING(1)
55455-0180mm FLEXIBLE PROBE TIP(1)
56508-01CALIBRATION COUPLER(1)
ACS-42Calibration of microphone with preamplifer(1)
Optional Versions:
No optional versions
Product Documents
Additional Downloads
Microphone - Safe Handling and Maintenance

Prepolarized vs. externally polarized microphones

Probe microphone overview
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