




Overview
The PCE Instruments PCE-SC 43 Class 2 Decibel Meter Calibrator is a portable and precise sound source designed for the reliable calibration of sound measuring devices. This Class 2 calibrator offers three adjustable sound pressure levels (94 dB, 104 dB, and 114 dB) and a calibration frequency of 1000 Hz, making it suitable for checking the accuracy of sound level meters with A, B, C, and D weighting filters. Featuring a 1/2 inch microphone opening and a long battery life, the PCE-SC 43 provides a convenient and accurate solution for ensuring the integrity of your sound measurements.
Accurate sound level measurements are essential in various professional fields, and regular calibration of sound level meters is crucial to maintain their reliability. The PCE-SC 43 calibrator simplifies this process by providing a stable and defined sound source at 1000 Hz, the standard frequency for many measurement standards. Unlike some calibrators, the PCE-SC 43 offers three different sound pressure levels, including a 104 dB option, providing greater flexibility for calibration across different measurement ranges. Its Class 2 accuracy ensures that it meets the requirements for many professional applications, making it a valuable tool for quality control and field checks.
Key features include adjustable sound pressure levels of 94 dB, 104 dB, and 114 dB, compatibility with A, B, C, and D weighting filters, Class 2 accuracy, a 1/2 inch microphone connection, a long battery life of 50 hours, and the use of exchangeable batteries. This combination of features makes the PCE-SC 43 a versatile and practical choice for professionals who need to ensure the accuracy of their sound level meters.
The PCE Instruments PCE-SC 43 Class 2 Decibel Meter Calibrator is a reliable and user-friendly solution for professionals seeking accurate and efficient calibration of their sound measuring equipment, ensuring compliance and reliable noise assessments.
Key Features
- Adjustable Sound Pressure Levels: Offers three selectable sound pressure levels: 94 dB, 104 dB, and 114 dB, providing versatility for calibrating sound level meters across different measurement ranges and sensitivity settings.
- Weighting Filter Compatibility: Designed for use with sound measuring devices utilizing A, B, C, and D weighting filters, ensuring compatibility with various measurement standards and applications.
- Accuracy Class 2: Meets Class 2 accuracy standards, providing precise and reliable calibration for a wide range of professional sound level measurement equipment.
- 1/2 Inch Microphone Connection: Features a standard 1/2 inch microphone opening, ensuring compatibility with the most common type of measurement microphones.
- Long Battery Life: Provides an extended operating time of up to 50 hours on a single set of exchangeable batteries, allowing for prolonged use in the field.
Specifications
- Calibration Frequency: 1000 Hz (sinusoidal)
- Sound Pressure Levels: 94 dB, 104 dB, 114 dB (± 0.4 dB accuracy)
- Accuracy Class: 2
- Microphone Connection: 1/2 inch
- Weighting Filter Compatibility: A, B, C, D
- Battery Life: 50 hours
- Power Supply: 2 x 1.5 V AA batteries (exchangeable)
Applications
The PCE-SC 43 Class 2 Decibel Meter Calibrator is used in various professional settings where accurate sound level measurements are essential, including:
- Occupational Health and Safety: Calibrating sound level meters used for workplace noise assessments to ensure compliance with safety regulations and protect worker hearing.
- Environmental Noise Monitoring: Verifying the accuracy of equipment used for measuring noise pollution levels in communities and assessing environmental impact.
- Audio Engineering: Calibrating equipment used in sound recording and reproduction to maintain audio fidelity and consistency.
- Industrial Hygiene: Checking the calibration of noise measurement devices used in industrial settings to monitor and control noise exposure.
Performance and Characteristics
- Precise Calibration: Provides accurate and stable sound pressure levels, ensuring reliable calibration of sound level meters and other noise measurement equipment.
- Versatile Use: Offers three adjustable sound pressure levels, allowing for calibration across a wider range of measurement settings and equipment.
- Extended Operation: The long battery life enables prolonged use in the field without the need for frequent battery changes.
- Standard Compatibility: The 1/2 inch microphone opening ensures compatibility with the most common type of measurement microphones.
- Class 2 Accuracy: Meets Class 2 standards, providing sufficient accuracy for many professional applications.
Additional Information
- Frequency: Calibration frequency is 1000 Hz, a standard reference frequency for sound level measurements.
- Signal Shape: Calibration signal is a sinusoidal waveform, ensuring a clean and stable sound source.
- Automatic Shut-off: The device features an automatic shut-off function to conserve battery life after a period of inactivity.
Kit Contents
- 1 x Class II Decibel Meter Calibrator PCE-SC 43
- 2 x 1.5 V AA batteries
- 1 x Instruction manual
Ensure accurate sound level measurements with a versatile Class 2 calibrator. Invest in the PCE Instruments PCE-SC 43 today!
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Sound pressure level | 94 dB, 104 dB, 114 dB |
Accuracy | ±0.4 dB |
Class | 2 |
Frequency | 1000 Hz for A, B, C and D frequency weighting |
Frequency accuracy | ±1.7 % |
Stabilization time | 10 seconds |
Total harmonic distortion | <3 % |
Environmental conditions | |
Temperature influences | <0.4 dB at 0 ... 40 °C / 32 ... 104 °F |
Humidity influences | 25 ... 90 % RH |
Atmospheric pressure | <0.1 dB at 65 ... 108 kPa |
Stability at <60 seconds | ±0.15 dB |
Stability after one year | ±0.35 dB |
(normal use) | |
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 | ca. 50 hours |
Microphone size | 1/2 inch |
Dimensions | 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4" |
Weight | 400 g / 14.1 oz |
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