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Calibration Type Comparison
Features Standard Calibration (Out of Tolerance Data) Standard Calibration (with Before & After Data) ISO 17025 Accredited Calibration with Uncertainties Accredited Calibration with Uncertainties and Guard banding
Guard band measurement with adjustment included.
Accreditation symbol on certificate.
Measurement uncertainties
As-received report
As-shipped report
Adjustment for failing data
Americas Compliance
ANSI Z540.3-2006
ISO/IEC 17025:2017
ANSI Z540-1-1994
ISO 9001:2015

Br�El & Kj�R 2231 Calibration Service

Connected. Competitive. Simple.

If you own a Br�el & Kj�r 2231 Sound Level Meter, accurate calibration isn’t optional. It’s essential for safety, compliance, and confidence in every measurement.

Rogue Calibration simplifies calibration sourcing for Br�El & Kj�R equipment by connecting you directly with qualified, vetted calibration service providers from our trusted network—without the time-consuming search.

What Rogue Calibration Delivers

  • Direct access to experienced calibration providers
  • Fair, competitive pricing through provider competition
  • Clear turnaround times before you commit
  • Accredited and traceable calibration options
  • Documentation suitable for ISO, FDA, and regulated environments

Our network supports a wide range of instruments and calibration requirements, helping you avoid phone tag, unclear quotes, and one-size-fits-all labs.

Whether you need a single Br�El & Kj�R 2231 calibration or are managing a full fleet of instruments, Rogue Calibration helps you stay compliant, reduce downtime, and keep costs competitive—without locking you into a single lab or long-term contract.

Get connected. Get calibrated. Get back to work.

Our partners provide traceable electrical calibration services to help ensure measurement accuracy, compliance, and continued usability of your equipment.

Br�el & Kj�r 2231 Sound Level Meter Calibration

Quick Overview

  • What it is: Integrating/averaging Type 1 sound level meter for professional acoustic measurements.
  • Typical use: Environmental noise surveys, workplace safety compliance, industrial acoustics, research, and development.
  • Status: Discontinued product, still serviceable for calibration and widely available secondhand.

The Br�el & Kj�r 2231 Sound Level Meter 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 2231 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.

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Rather than performing calibrations ourselves, Rogue Calibration acts as your single point of contact.

  1. You submit a calibration request for your Br�El & Kj�R 2231
  2. We send your inquiry to multiple vetted calibration service providers
  3. Providers respond directly with quotes, turnaround times, and capabilities

You choose the provider that best fits your needs

No pressure. No obligation. Just options.

Product Information

  • Manufacturer: Br�el & Kj�r
  • Model Number: 2231
  • Model Details: A precision, handheld analog sound level meter designed for accurate measurement of sound pressure levels in various environments, widely regarded for its quality and reliability in professional and industrial applications.
  • Category: Sound Level Meter
  • Calibration Discipline: · Sound Level Meter Calibration (custom discipline, not in your list)· Electrical Calibration (covers the internal electronics and signal processing)· Reference·Level Electrical Standard (for verification of measurement accuracy)

Why Br�El & Kj�R Sound Level Meter Owners Use Rogue Calibration

The Br�el & Kj�r 2231 Sound Level Meter 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
 

FAQ

The Bruel & Kjaer 2231 Sound Level Meter should be calibrated annually (once per year) as per standard practice for professional acoustic measuring instruments. In some regulated environments or critical applications, more frequent calibration may be required.

You should calibrate the meter:
- If the annual calibration interval has elapsed,
- If the meter is subjected to physical shock, harsh environmental conditions, or significant temperature changes,
- If measurement results appear inconsistent or deviate from reference/calibrator values,
- If required by your internal quality management or regulatory procedures,
- Or after repairs or servicing. A sound calibrator (acoustic calibrator) should also be used before and after measurements to check for significant drift; if drift is observed, formal recalibration is needed.