Trusted Microphone Calibration Service Provider

A good microphone can clearly pick up sounds with a sensitivity to frequency that aligns with your desired specifications. These versatile devices are widely used in various fields that require accurate audio capture, helping to create the best possible sound output.

Micro Precision understands the value of a well-calibrated microphone, with decades of experience in calibrating hundreds of pieces of equipment. Our accreditation to ISO 17025:2017 guarantees that our microphone calibration procedures meet the highest international standards. This accreditation ensures the accuracy and traceability of our measurements, giving you complete confidence in the performance of your calibrated microphones.

Fill out our Microphone calibration service request form

Importance of Measurement Microphone Calibration

Microphones are essential tools in acoustics, used for a wide range of applications such as sound system calibration, building acoustics, product development, and noise monitoring across diverse environments. Many experts would consider this as essential because minor issues or errors will create a significant impact.

This can be avoided through regular microphone calibration by an experienced and trusted service provider. With proper calibration from an accredited company, you can expect to benefit from reliable data, extended equipment lifespan, compliance with regulations, and consistent performance.

Why Repair Your Microphone Equipment

Microphone repair is important for the same reasons as calibration, as damages and faulty parts can heavily impact results. The most common signs that your microphone needs repair are picking up unwanted noise, weaker signals, uneven frequency response, and physical damage. A skilled service provider can identify the issue and carry out the required fixes. This can prove to be a considerably more cost-effective resolution compared to swapping out the entire microphone

Ensure Accurate Acoustic Measurements

Microphone repair is important for the same reasons as calibration, as damages and faulty parts can heavily impact results. The most common signs that your microphone needs repair are picking up unwanted noise, weaker signals, uneven frequency response, and physical damage. A skilled service provider can identify the issue and carry out the required fixes. This can prove to be a considerably more cost-effective resolution compared to swapping out the entire microphone

Calibration Service Levels Offered

Type of Service Traceable Traceable with Data Accredited (ISO:IEC 17025:2017, Z540.3)
Calibrated to manufacturers specifications traceable to SI Units      
ISO 9000 Compliant      
Calibration certificates, data, maintained on secure web based tool (CDM)      
Detailed calibration certificates and calibration stickers      
Instrument adjustment (if found out of tolerance)      
ANSI/NCSL Z540-1 compliant    
Calibration Data    
Logo from Accreditation body, Expanded Measurement Uncertainty  
ANSI/NCSL Z540.3 compliant  

Please complete our quick Microphone equipment calibration & repair service request form, and a Micro Precision representative will reach out to you same-day during office hours, or within one business day after office hours. (Mon – Friday 8AM – 4PM PST)

Description Manufacturer Model
Bruel & Kjaer 4942 Microphone - Prepolarized Diffuse-Field - 1/2inchBRUEL & KJAER
Bruel & Kjaer 4125 Microphone 1/2 inch Free FieldBRUEL & KJAER4125
Bruel & Kjaer 4129 Microphone 1/2 inch Free FieldBRUEL & KJAER4129
Bruel & Kjaer 4130 Microphone 1/2 inch Free FieldBRUEL & KJAER4130
Bruel & Kjaer 4131 Microphone 1/1 inch Free FieldBRUEL & KJAER4131
Bruel & Kjaer 4132 Microphone 1/1 inch PressureBRUEL & KJAER4132
Bruel & Kjaer 4133 Microphone 1/2 inch Free FieldBRUEL & KJAER4133
Bruel & Kjaer 4134 Microphone 1/2 inch PressureBRUEL & KJAER4134
Bruel & Kjaer 4135 Microphone 1/4 inch Free FieldBRUEL & KJAER4135
Bruel & Kjaer 4136 Microphone 1/4 inch PressureBRUEL & KJAER4136
Bruel & Kjaer 4137 Microphone 1/2 inch Free Field (for Sound Level Meter SLM 2237)BRUEL & KJAER4137
Bruel & Kjaer 4138 Microphone 1/8 inch PressureBRUEL & KJAER4138
Bruel & Kjaer 4144 Microphone 1/1 inch PressureBRUEL & KJAER4144
Bruel & Kjaer 4145 Microphone 1/1 inch PressureBRUEL & KJAER4145
Bruel & Kjaer 4146 Microphone 1/1 inch PressureBRUEL & KJAER4146
Bruel & Kjaer 4147 Microphone 1/2 inch PressureBRUEL & KJAER4147
Bruel & Kjaer 4148 Microphone 1/2 inch Free Field 28 Volt Polarization Voltage)BRUEL & KJAER4148
Bruel & Kjaer 4149 Microphone 1/2 inch Free FieldBRUEL & KJAER4149
Bruel & Kjaer 4160 Microphone 1 inch Pressure (As 640AA) Sens. At 250 HzBRUEL & KJAER4160
Bruel & Kjaer 4165 Condenser Microphone - 1/2 inch Free FieldBRUEL & KJAER4165
Bruel & Kjaer 4166 Microphone 1/2 inch Random IncidenceBRUEL & KJAER4166
Bruel & Kjaer 4176 Microphone 1/2 inch Prepolarized Free FieldBRUEL & KJAER4176
Bruel & Kjaer 4178 1/4 inch Microphone, Pair Includes Phase Match and P/I IndexBRUEL & KJAER4178
Bruel & Kjaer 4180 1/2 inch Microphone Pressure Sensitivity at 250 HzBRUEL & KJAER4180
Bruel & Kjaer 4181 1/2 inch Microphone Pair Includes Phase Match and P/I IndexBRUEL & KJAER4181
Bruel & Kjaer 4184 Outdoor Microphone (Airport Type)BRUEL & KJAER4184
Bruel & Kjaer 4197 Microphone Pair Includes Phase Match and P/I Index - 1/2inchBRUEL & KJAER
Bruel & Kjaer 4939 Microphone, Free Field (Replaces 4135) - 1/4inchBRUEL & KJAER