Bruel & Kjaer 4231 Calibrator – Acoustical
Please use the request form to start a calibration services quote. You may also request equipment sales or repair services.
Description
The Bruel & Kjaer 4231 Calibrator is a state-of-the-art and dependable device utilized in the realm of acoustics. Developed by the renowned company Bruel & Kjaer, this calibrator is specifically designed to offer precise and accurate calibration for acoustical measurements. With its exceptional design and construction, it ensures that sound level meters and microphones are calibrated correctly to provide accurate readings. This calibrator is equipped with various features, including a broad frequency range, adjustable sound pressure levels, and user-friendly controls, making it an excellent choice for professionals in the field of acoustics. Whether utilized in a laboratory or in the field, the Bruel & Kjaer 4231 Calibrator ensures trustworthy and consistent outcomes, making it an essential tool for acoustical measurements.
Specifications
– Frequency range: 20 Hz to 20 kHz
– Sound pressure level range: 94 dB to 114 dB
– Distortion: < 1% at 1000 Hz, 114 dB SPL
– Accuracy: ±0.1 dB
– Stability: ±0.1 dB per year
– Reference microphone: ½” microphone with 200 V polarization
– Microphone preamplifier: Built-in
– Power supply: 9 V battery or external power source
– Dimensions: 184 mm x 78 mm x 52 mm
– Weight: 650 g (including battery)
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.
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.
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
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
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.
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.
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.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
Optical
Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


