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FAMILY 4188

½-INCH FREE-FIELD MICROPHONE, PREPOLARIZED

Free-field microphone for measurements in transport-noise measurements, architectural acoustics and electroacoustics over a frequency range of 8 Hz to 12.5 kHz.

FAMILY 4188

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Type 4188 is designed for free-field measurements where an economy microphone with medium sensitivity is required. Being prepolarized, Type 4188 can be used with both CCLD and classical preamplifiers.

Medium class sound level meters
Equipment complying with IEC 61672 class 1
Random-incidence measurements
Portable sound measuring equipment
Being prepolarized, Type 4188 is especially well suited for battery-operated equipment or for operation in environments with high humidity.

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Code	Polarization	Lower frequency	Lower dynamic range	Higher dynamic range
-4188-A-021-	CCLD	20 Hz	19 dB	138 dB
-4188-C-001-	Classical	8 Hz	15.8 dB	146 dB
-4188-L-001-	Classical	8 Hz	15.8 dB	146 dB

TEDS Microphones	Data Sheets	English
TEDS Microphones	Data Sheets	Japanese

FAMILY 4188
Standard	ANSI S1.4
Sound field	Free field
Polarization	Classical, CCLD
Sensitivity	31.6 mV/Pa
Lower frequency	8 Hz, 20 Hz
Higher frequency	12.5 kHz
Lower dynamic range	15.8 dB, 19 dB
Higher dynamic range	146 dB, 138 dB
Diameter	1/2 inch
Venting	Rear
Minimum Temperature	-30 °C
Maximum Temperature	100 °C
Minimum Temperature	-22 °F
Maximum Temperature	212 °F
Output signal (connectivity)	Passive

List of accessories available for all variants of this family

Product Code	Description
-4228---	Pistonphone calibrator, 250Hz, 124dB,Cla
-4231---	0,01d Calibrator, Class1, 94&114dB, 1kHz
UA-0033---	Electrostatic Actuator 1/2" for HBK Mic
UA-1260---	Adaptor 1/2"Mic to 1/2"Preamp, 80° Angle
UA-0254---	Windscreen Set, 6x UA-1432 for 1/2" Mic
UA-0459---	Windscreen for 1/2" Mic, 65mm Diameter
UA-0469---	Windscreen Set, 6x UA-0459 for 1/2" Mic
UA-0386---	Nose Cone for 1/2" Mic
DD-0606---	Mic Protection Grid D13,2mm

Type 4188-A-021 is designed for free-field measurements where an economy microphone with medium sensitivity is required.

USE SCENARIOS

Medium class sound level meters
Equipment complying with IEC 61672 class 1
Random-incidence measurements
Portable sound measuring equipment

THIS MICROPHONE SET IS A COMBINATION OF:

Microphone Type 4188
Preamplifier Type 2671

The unit is assembled in a clean-room environment and sealed together, after which it is assigned one single type number and one single serial number. This means that the combined unit has better precision and long-time stability, and is handled as one complete unit.

The unit also contains TEDS, which means that information about the serial number, type and sensitivity is stored within it.

THE BENEFITS OF USING A MICROPHONE-PREAMPLIFIER COMBINATION ARE:

Better stability and precision. Because the unit is assembled in clean-room facilities, there is no contamination.
Ease of use. Your analyzer front-end and software will automatically detect the type number, serial number and sensitivity because of the built-in TEDS technology. There is no need to enter this manually for every channel.
Calibration integration. The TEDS technology means the microphone is automatically detected and identified by your data acquisition software, allowing it to be easily integrated with your calibration database.
Fewer errors. As your data acquisition software automatically knows the microphone type, serial number and sensitivity, manual inputs are greatly reduced – reducing human errors.

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