PCE Instruments Class 2 Decibel Meter Calibrator (PCE-SC 43) is a reliable device for verifying and adjusting sound level meters. It features three selectable sound pressure levels—94 dB, 104 dB, and 114 dB—allowing for precise calibration in various noise measurement applications.
Its ±0.4 dB accuracy makes it an essential tool for checking the precision of sound-measuring devices. Designed for extended use, it offers up to 50 hours of battery life and an automatic shut-off function to conserve power during periods of inactivity.
- Specifications and Dimensions
- Sound Pressure Levels: 94 dB, 104 dB, 114 dB
- Accuracy: ±0.4 dB
- Class: 2
- Calibration Frequency: 1000 Hz for A, B, C, and D weighting filters
- Frequency Accuracy: ±1.7%
- Stabilization Time: 10 seconds
- Total Harmonic Distortion: <3%
- Environmental Conditions:
- Temperature Influence: <0.4 dB at 0 … 40°C / 32 … 104°F
- Humidity Influence: 25 … 90% RH
- Atmospheric Pressure Influence: <0.1 dB at 65 … 108 kPa
- Stability within <60 seconds: ±0.15 dB
- Stability after one year (normal use): ±0.35 dB
- Operating Conditions: 0 … 40°C / 32 … 104°F, 25 … 90% RH (non-condensing)
- Storage Conditions: -20 … 50°C / -4 … 122°F, <90% RH (non-condensing)
- Automatic Shutdown: After 20 minutes
- Power Supply: 2 x 1.5 V AA batteries
- Battery Life: Approximately 50 hours
- Microphone Size: 1/2 inch
- Dimensions: 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4 in
- Weight: 400 g / 14.1 oz
- Key Features and Benefits
- Three adjustable sound pressure levels: 94 dB, 104 dB, and 114 dB
- Ensures accurate calibration of sound level meters
- Compatible with A, B, C, and D weighting filters
- Battery life of up to 50 hours for extended operation
- Automatic shut-off function conserves battery power
- Lightweight and portable for convenient field and lab use
- Meets IEC 942 Class 2 accuracy standards
- Includes
- 1 x Class 2 Decibel Meter Calibrator PCE-SC 43
- 2 x 1.5 V AA Batteries
- 1 x Instruction Manual
