Industry best practice is to calibrate precision measurement microphones annually (every 12 months). However, the actual recommended calibration interval may be defined by your quality system, usage intensity, and the manufacturer’s recommendations.

Calibrate Your Br�El & Kj�R 4942-A-031
Your Br�El & Kj�R 4942-A-031 Doesn’t Need Guesswork.
It Needs Calibration — Without the Runaround.
Your organization trusts the Br�el & Kj�r 4942-A-031 Prepolarized Diffuse-Field Microphone Unit to tell you the truth.
So why accept a calibration sourcing process built on phone tag, vague quotes, and one‑size‑fits‑all labs?
Rogue Calibration flips that model.
We don’t calibrate your equipment.
We put calibration providers in competition for your business.
What That Means for You
- Access to calibration labs experienced with Br�El & Kj�R instruments
- Accredited and traceable calibration options
- Documentation suitable for ISO, FDA, and regulated environments
- Clear turnaround times and transparent pricing
- Control to choose the provider that fits your needs and timeline
Whether you’re managing a single Br�El & Kj�R 4942-A-031 calibration or coordinating multiple instruments and locations, Rogue Calibration helps you eliminate guesswork, reduce downtime, and source calibration with confidence.
Better options. Better data. Better calibration sourcing.
Our partners provide traceable electrical calibration services to help ensure measurement accuracy, compliance, and continued usability of your equipment.
Quick Overview
- What it is: Precision prepolarized ½" diffuse-field microphone unit
- Typical use: Acoustic measurement, sound level meters, environmental noise monitoring, research, and laboratory analysis
- Status: Active (fully available and in production)
The Br�el & Kj�r 4942-A-031 Prepolarized Diffuse-Field Microphone Unit is built for precision—but precision only matters if the calibration is done right. Expert calibration ensures it is tested against traceable standards, adjusted correctly, and proven accurate where it counts. No shortcuts. No guesses.
When safety, compliance, and real‑world decisions are on the line, professional calibration is the difference between trusting your readings and hoping they’re right.


Who is Rogue Calibration?
Built for speed, clarity, and real-world use, Rogue brings a modern approach to a process that hasn’t changed in decades. We're about simplicity... because we know this space and we have the tools to solve this problem We're results-obsessed.
We focus on: Clear requests, Connections with trusted providers, Better outcomes for both sides.
www.roguecalibration.com
Calibration Without the Bureaucracy
Finding Br�El & Kj�R 4942-A-031 calibration can mean multiple calls, slow quotes, and inflexible pricing.
Rogue Calibration simplifies the process.
You submit one request. Qualified calibration providers respond with real options.
You decide who earns the work.

Calibration Services for Equipment Owners
Rogue Calibration simplifies calibration sourcing for equipment owners by acting as a single point of entry to a network of qualified calibration service providers. Instead of chasing labs, owners submit one request and receive competitive options for pricing, turnaround, and capability—then choose the provider that fits their needs.
No markups, no lock‑in, just a faster, more transparent way to get critical equipment calibrated.
Product Information
- Manufacturer: Br�el & Kj�r
- Model Number: 4942-A-031
- Model Details: A high-precision, prepolarized ½" diffuse-field microphone unit specifically designed for accurate measurement of sound pressure levels in environments with complex acoustic reflections. Ideal for use in sound level meters and precision acoustic analysis equipment.
- Category: Prepolarized Diffuse-Field Microphone Unit
- Calibration Discipline: · Electrical Calibration· Reference·Level Electrical Standard
Why Br�El & Kj�R Prepolarized Diffuse-Field Microphone Unit Owners Use Rogue Calibration
The Br�el & Kj�r 4942-A-031 Prepolarized Diffuse-Field Microphone Unit is a trusted tool in industrial, commercial, and maintenance environments. But finding the right calibration provider can be time‑consuming.
Rogue Calibration helps you save time and money by:
- Eliminating the need to contact multiple labs
- Encouraging competitive pricing
- Connecting you with providers experienced in Fluke instruments
- Supporting traceable calibration options (ISO / NIST / ANSI, depending on provider)
- Letting you compare turnaround times before you commit
