Model : HT378B02 | ICP Microphone System

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Lead Time for 1-10 is 4 Wks
Lead Time for 11-20 is 6 Wks
377b02 microphone and ht426e01 preamplifier, teds programmed
$ 1,295.00 USD
(Pricing valid in US only!)

377B02 microphone and HT426E01 preamplifier, TEDS programmed

This model includes a 1/2" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
377B02
HT426E01

  • Nominal Microphone Diameter: 1/2"
  • Frequency Response Characteristic: Free-Field
  • Frequency Range: (±2dB)3.5 to 20000 Hz ( 3.5 to 20000 Hz)
  • Dynamic Range: 138.5 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1/2" 1/2"
Frequency Response Characteristic (at 0° incidence) Free-Field Free-Field
Sensitivity (±1.5 dB) -26 dB re 1 V/Pa -26 dB re 1 V/Pa [ 3]
Sensitivity 50 mV/Pa 50 mV/Pa [ 3]
Frequency Range (±2 dB) 3.5 to 20000 Hz 3.5 to 20000 Hz
Frequency Range (±1 dB) 6 to 10000 Hz 6 to 10000 Hz
Lower Limiting Frequency (3) 1.0 to 2.75 Hz 1.0 to 2.75 Hz
Inherent Noise 16 dB(A) re 20 µPa 16 dB(A) re 20 µPa [ 1]
Dynamic Range (3% Distortion Limit) 138.5 dB re 20 µPa 138.5 dB re 20 µPa [ 1]
TEDS Compliant Yes Yes [ 2]
Environmental
Temperature Range (Operating) -40 to +257 °F -40 to +125 °C [ 4]
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) 0.005 dB/°F 0.009 dB/°C [ 1] [ 3]
Static Pressure Coefficient -0.013 dB/kPa -0.013 dB/kPa [ 1] [ 3]
Humidity Coefficient of Sensitivity (0 to 100%, non-condensing) ±0.001 dB/%RH ±0.001 dB/%RH [ 3]
Influence of Axial Vibration (0.1g (1 m/s²)) 63 dB re 20 µPa 63 dB re 20 µPa [ 1]
Electrical
Polarization Voltage 0 V 0 V [ 5]
Excitation Voltage 20 to 32 VDC 20 to 32 VDC
Constant Current Excitation 2 to 10 mA 2 to 10 mA
Output Bias Voltage 10 to 14 VDC 10 to 14 VDC
Maximum Output Voltage ±7 Vpk ±7 Vpk
Output Impedance <55 Ohm <55 Ohm
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear [ 6]
Electrical Connector BNC Jack BNC Jack
Mounting Thread (Grid) 0.5 - 60 UNS 0.5 - 60 UNS
Size - Diameter (with grid) .52 in 13.2 mm
Size - Diameter (without grid) .50 in 12.7 mm
Size - Height (with grid) 3.88 in 98.6 mm
Size - Height (without grid) 3.84 in 97.5 mm
Weight 1.74 oz 49.2 gm [ 1]
* All specifications are at room temperature unless otherwise specified
.




Specification Notes


[ 1] Typical.
[ 2] TEDS Capable Digital Communication, compliant with IEEE 1451.4
[ 3] re 250 Hz
[ 1] Typical.
[ 3] re 250 Hz
[ 4] Limited to 120°C if ICP current > 4 mA
[ 5] Prepolarized
[ 1] Typical.
[ 6] Venting through Preamp.
[ 7] See PCB Declaration of Conformance PS065 for details.


Accessories


Supplied
ACS-63 Calibration for microphone/preamplifier with TEDS programming 1


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