PCE Instruments PCE-SC 43 Class 2 Decibel Meter Calibrator (94 / 104 / 114 dB, 1/2" Mic)

Key Facts

• Used for calibrating sound level meters to ensure accurate noise measurements
• Class 2 decibel meter calibrator with selectable output levels of 94 dB, 104 dB, and 114 dB
• Calibration frequency of 1000 Hz, standard for sound level meter verification
• Compatible with A, B, C, and D weighting filters
• Designed for 1/2 inch measurement microphones
• Portable unit with up to 50 hours of battery operation

Overview

The PCE Instruments PCE-SC 43 Class 2 decibel meter calibrator is used to verify and calibrate sound level meters in professional and industrial environments. It provides a stable and defined acoustic reference signal to ensure measurement accuracy.

This sound level calibrator operates at a standard frequency of 1000 Hz and offers three selectable sound pressure levels, making it suitable for a range of calibration requirements. It is commonly used in environmental monitoring, workplace safety, and acoustic measurement applications where reliable sound readings are critical.

Features

• Selectable sound pressure levels of 94 dB, 104 dB, and 114 dB for flexible calibration across measurement ranges
• 1000 Hz calibration frequency aligned with common industry standards
• Class 2 accuracy suitable for professional sound measurement verification
• Compatible with A, B, C, and D weighting filters used in sound level meters
• 1/2 inch microphone opening for compatibility with standard measurement microphones
• Portable design for field calibration and on-site verification
• Long battery life of up to 50 hours for extended operation
• Exchangeable battery design for continued use without long downtime

Technical Specifications

• Sound Pressure Levels: 94 dB, 104 dB, 114 dB
• Calibration Frequency: 1000 Hz
• Accuracy Class: Class 2
• Microphone Size: 1/2 inch
• Battery Life: Up to 50 hours
• Power Supply: Exchangeable batteries

Compatibility

• Compatible with sound level meters using 1/2 inch microphones
• Designed for use with devices supporting A, B, C, and D weighting filters
• Suitable for verifying Class 2 sound level measurement equipment
• Users should confirm compatibility with their specific sound meter microphone size and calibration requirements

Use Cases

• Calibration of sound level meters in industrial and environmental monitoring applications
• Workplace noise compliance checks and safety inspections
• Field verification of acoustic measurement devices
• Quality control processes involving sound measurement equipment
• Routine calibration in laboratories and technical service environments

What’s Included

• PCE-SC 43 Class 2 Decibel Meter Calibrator

Installation Notes

• Attach the calibrator securely to a compatible 1/2 inch microphone before use
• Select the appropriate sound pressure level based on the calibration requirement
• Ensure batteries are properly installed for accurate operation
• Follow standard calibration procedures recommended for the sound level meter

Related Standards / Compliance

• Class 2 accuracy classification for sound level calibration
• Designed for use in accordance with standard acoustic calibration practices

Category FAQs

• What is a decibel meter calibrator used for?
  A decibel meter calibrator is used to verify and adjust the accuracy of sound level meters by providing a known and stable sound reference.
• Why is calibration important for sound level meters?
  Regular calibration ensures that sound measurements remain accurate and reliable, which is important for compliance, safety, and data integrity.
• What does Class 2 accuracy mean?
  Class 2 indicates a level of measurement accuracy suitable for general field and industrial applications, following recognized acoustic standards.
• Why is 1000 Hz used for calibration?
  1000 Hz is a standard reference frequency commonly used in sound level meter calibration to ensure consistent and comparable results.
• What microphone size does this calibrator support?
  This calibrator is designed for use with 1/2 inch microphones, which are commonly used in sound measurement devices.
• Can this calibrator be used in the field?
  Yes, its portable design and battery operation make it suitable for on-site calibration and field verification.
• How often should a sound level meter be calibrated?
  Calibration frequency depends on usage and standards, but regular checks before and after measurements are commonly recommended.
• What should I verify before using a calibrator?
  Ensure microphone compatibility, correct sound level selection, and proper battery condition for accurate calibration results.