- The calibrator should be recalibrated generally once per year, in accordance with Brüel & Kjær’s recommendations and common industry practice, or as required by the quality system in use.

Calibrate Your Br�El & Kj�R 4231
Why Br�El & Kj�R 4231 Owners Go Rogue for Calibration Sourcing
The Br�el & Kj�r 4231 Sound Level Calibrator is a workhorse tool — widely used, well understood, and absolutely critical when accuracy matters.
Finding the right calibration provider shouldn’t slow you down. Instead of searching lab directories or settling for the first option you find, Rogue Calibration does the heavy lifting for you, connecting you with qualified providers that meet your technical and quality requirement for Br�El & Kj�R 4231 calibration.
✓ Fair, competitive pricing
✓ Providers that actually know Br�El & Kj�R products
✓ Clear turnaround times
✓ Traceable calibration options
✓ Transparency before you commit
Rogue Calibration makes that happen by letting the market do what it does best.
Our partners provide traceable electrical calibration services to help ensure measurement accuracy, compliance, and continued usability of your equipment.
Quick Overview
- What it is: Portable, precision sound level calibrator for microphones and sound level meters
- Typical Use: Calibration and verification of measurement microphones and sound level meters in the field and laboratory
- Status: Active (fully available and in production)
The Br�el & Kj�r 4231 Sound Level Calibrator is trusted because it’s engineered for accuracy in demanding environments—but that accuracy only holds if it’s calibrated by experts who truly understand the instrument.
Measurements at this level leave no room for shortcuts or generic adjustments. Expert calibration ensures your Br�El & Kj�R 4231 is tested against traceable standards, adjusted correctly when needed, and documented properly—so the numbers you see are the numbers you can stand behind.
When decisions, safety, and compliance are paramount, precision isn’t optional. It’s earned through professional calibration done 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 4231 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: 4231
- Model Details: A precision acoustic calibrator for sound level meters and microphones, generating a constant sound pressure level at 1 kHz for quick, reliable field or laboratory calibration.
- Category: Sound Level Calibrator
- Calibration Discipline: · Electrical Calibration · Reference·Level Electrical Standard
Request Calibration for Your Br�el & Kj�r 4231 Sound Level Calibrator
If your Br�el & Kj�r 4231 Sound Level Calibrator is due for calibration, start in minutes.
Submit your request with Rogue Calibration and let qualified calibration service providers compete for your business — so you can choose with confidence.
Request a Calibration Quote Now
