BRUEL & KJAER 4138 Microphone 1/8 inch Pressure

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SKU BRUEL & KJAER 4138 Category Manufacturer Model Number

Description

The BRUEL & KJAER 4138 Microphone is a top-notch microphone created to accurately capture sound measurements. It is equipped with a 1/8 inch pressure sensor, enabling precise measurements of sound pressure levels. This microphone is widely utilized in different fields like environmental monitoring, industrial noise control, and acoustic research. The 4138 microphone is recognized for its outstanding frequency response and minimal background noise, guaranteeing dependable and precise outcomes. Its compact size and sturdy build make it a flexible instrument for professionals who need accurate sound measurements in their job.

Specifications:

– Brand: Bruel & Kjaer
– Model: 4138
– Microphone type: Pressure microphone
– Connector type: 1/8 inch
– Frequency range: Typically 20 Hz – 20 kHz
– Sensitivity: Typically 50 mV/Pa
– Nominal impedance: 200 ohms
– Maximum sound pressure level (SPL): 140 dB
– Dynamic range: 120 dB
– Signal-to-noise ratio (SNR): > 70 dB
– Operating temperature range: -10°C to +55°C
– Dimensions: Approximately 22 mm diameter, 112 mm length
– Weight: Approximately 100 grams


Laboratory Calibration

Micro Precision operates 36 laboratories globally providing reliable localized support

  • Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
  • Comprehensive scopes of accreditation to meet a broad range of customer needs
  • Expedited calibration services available
  • Pickup and delivery services available
  • Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.

Calibration equipment and workspace
Calibration Service For This Equipment

Laboratory Calibration

Micro Precision operates 36 laboratories globally providing reliable localized support

  • Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
  • Comprehensive scopes of accreditation to meet a broad range of customer needs
  • Expedited calibration services available
  • Pickup and delivery services available
  • Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.

Calibration Service For This Equipment
Calibration equipment and workspace

Quality Certified Test Equipment Repair Services

When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:

  • Cost effective; often less than OEM
  • Efficient; often much better turn-time than the OEM
  • Flexibility; willingness to work with customers to meet their needs
  • Warranted repairs
  • Ability to service many obsolete instruments

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Repair Service For This Equipment
Motherboard being repaired with soldering iron

Quality Certified Test Equipment Repair Services

When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:

  • Cost effective; often less than OEM
  • Efficient; often much better turn-time than the OEM
  • Flexibility; willingness to work with customers to meet their needs
  • Warranted repairs
  • Ability to service many obsolete instruments

Repair Service For This Equipment

Cost Effective Test Equipment Options

From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.

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Rent or Purchase This Equipment

Cost Effective Test Equipment Options

From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.

Rent or Purchase This Equipment
Electronic instruments stacked on top of one another

Our Capabilities

Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.

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