probe microphone icp®

PROBE MICROPHONE ICP®

Model 377B26

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(Pricing valid only in the U.S.)

Units in Stock Lead Times
More on the way Lead Time for 1-5 is 5 Wks.
  • CE
  • IP

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

Specification Notes


[1] Typical.
[2] Individually calibrated with 20mm probe tip.
[3] Individually calibrated with 20mm probe tip (20 Hz to 20 kHz).
[4] 20mm probe tip.
[5] 25mm probe tip.
[6] G.R.A.S. data derived from 40SC Product Manual, Revision 31 07 2007.
[7] Bruel & Kjaer data derived from 4182 Product Datasheet, BP 0659-15 95/04.
[8] Information based on published specifications of G.R.A.S. and Bruel & Kjaer at time of posting
[1] Typical.
[9] With heat sink.
[10] Probe microphone body.
[11] At probe tip end
[12] Prepolarized
[1] Typical.
[13] See PCB Declaration of Conformance PS076 for details.

English: SI:
Performance
Sensitivity (±2dB)(at 250 Hz) ) -53.35 dB re 1 V/Pa -53.35 dB re 1 V/Pa [2]
Sensitivity (at 250 Hz) 2.15 mV/Pa 2.15 mV/Pa [2]
Frequency Range (+2.2/-4.9 dB) 2 to 20000 Hz 2 to 20000 Hz [3]
Frequency Response. See Graph See Graph [4] [5] [6] [7] [8]
Lower Limiting Frequency (-3 dB) 0.25 to 3.0 Hz 0.25 to 3.0 Hz
Inherent Noise 44 dB(A) re 20 µPa 44 dB(A) re 20 µPa [1]
Dynamic Range(3% Distortion Limit) 165 dB re 20 µPa 165 dB re 20 µPa [1]
Environmental
Temperature Range (Operating) -40 to +158 °F -40 to +70 °C [10]
Temperature Range (20mm Probe Tip) -40 to +752 °F -40 to +400 °C [11]
Temperature Range (40mm Probe Tip) -40 to +1472 °F -40 to +800 °C [9] [11]
Temperature Range (80mm Probe Tip) -40 to +1472 °F -40 to +800 °C [9] [11]
Temperature Range (160mm Probe Tip) -40 to +1472 °F -40 to +800 °C [9] [11]
Influence of Axial Vibration (0.1g (1 m/s²)) 62 dB re 20 µPa 62 dB re 20 µPa [1]
Electrical
Polarization Voltage 0 V 0 V [12]
Excitation Voltage 20 to 32 VDC 20 to 32 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Maximum Output Voltage +/-8 Vpk +/-8 Vpk
Output Impedance <50 Ohm <50 Ohm
Physical
Housing Material Stainless Steel Stainless Steel
Probe Material Stainless Steel Stainless Steel
Electrical Connector BNC Jack BNC Jack
Size - Diameter 0.5 in 12.7 mm
Size - Length 4.4 in 111 mm
Weight 1.9 oz 55 gm [1]

* All specifications are at room temperature unless otherwise specified.

TempChart

Accessories


Supplied
012A10 Low-cost, black coaxial cable (RG58/U), 10-ft, BNC plug to BNC plug 1
100-11129-30 1
100-11509-90 1
51606-01 1
51607-01 1
51607-02 1
53434-01 1
53434-02 1
53434-03 1
53434-04 1
54073-01 1
55103-01 1
55454-01 1
55455-01 1
56508-01 1
ACS-42 Calibration of a Series 377 (Type 1) microphone & preamp, as mated pair 1

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