Microphone & SLM Calibrators
High-Precision Free-Field Calibration for Microphones & SLMs.
Standards-compliant, traceable, and ideal for certified labs and R&D use.
Microphone & SLM Calibrators – SPEKTRA CS18 FF
High-Precision Free-Field Acoustic Calibration System
Global Tech Innovations presents the SPEKTRA CS18 FF—a state-of-the-art acoustic calibration system engineered for secondary calibration of measurement microphones, sound level meters (SLMs), and related acoustic sensors. Designed in compliance with IEC 61094-8, IEC 61672-3, and IEC 60942 standards, the CS18 FF provides a controlled free-field testing environment via a transportable anechoic chamber. This system supports a variety of critical calibration activities, including routine testing of SLMs, certification of acoustic calibrators, and measurement of acoustic emissions from small devices. With support for both standard and non-standard microphone geometries, it delivers exceptional versatility for certified labs and R&D facilities.
Microphone & SLM Calibrators – SPEKTRA CS18 FF
High-Precision Free-Field Acoustic Calibration System
Global Tech Innovations presents the SPEKTRA CS18 FF—a state-of-the-art acoustic calibration system engineered for secondary calibration of measurement microphones, sound level meters (SLMs), and related acoustic sensors. Designed in compliance with IEC 61094-8, IEC 61672-3, and IEC 60942 standards, the CS18 FF provides a controlled free-field testing environment via a transportable anechoic chamber. This system supports a variety of critical calibration activities, including routine testing of SLMs, certification of acoustic calibrators, and measurement of acoustic emissions from small devices. With support for both standard and non-standard microphone geometries, it delivers exceptional versatility for certified labs and R&D facilities.
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High-Accuracy Acoustic Calibration System
Traceable Accuracy and Industry-Compliant Performance
Equipped with reference measurement standards traceable to the Physikalisch-Technische Bundesanstalt (PTB), the CS18 FF ensures reliable, high-accuracy results across a frequency range of 125 Hz to 20 kHz. The system includes modular components such as the SRS-35 vibration isolation unit, the PA 14-80 high-performance power amplifier, and wedge-lined anechoic chamber panels for optimal acoustic absorption. Calibration is performed via the substitution method, providing repeatable and reproducible measurements across a range of microphone designs and test scenarios. The CS18 FF is ideal for use in calibration laboratories, research institutions, and industries requiring strict compliance in acoustic testing, including aerospace, automotive, and civil engineering sectors.
- Complies with IEC 61094-8, IEC 61672-3, and IEC 60942 standards
- True free-field acoustic calibration using an anechoic chamber
- Supports calibration of microphones, SLMs, and acoustic calibrators
- Modular system accommodates non-standard microphone constructions
- Frequency range: 125 Hz to 20 kHz for broad measurement coverage
- Components include SRS-35 vibration control and PA 14-80 amplifier
- Calibration via substitution method with PTB-traceable reference standards
- Ideal for calibration labs, academic research, and industrial quality control
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FAQs
FAQs
It offers a controlled free-field environment using a dedicated anechoic chamber, allowing precise and repeatable acoustic measurements in compliance with IEC standards.
The CS18 FF supports a wide variety of microphone types, including those with non-standard geometries, thanks to its modular setup and flexible design.
The system uses reference standards traceable to PTB (Germany), ensuring internationally recognized accuracy and consistency.
Yes. The CS18 FF supports periodic testing of sound level meters as per IEC 61672-3 and calibration of acoustic calibrators under IEC 60942.
It is ideal for certified calibration laboratories, research institutions, and industrial sectors such as automotive, aviation, and civil engineering where acoustic compliance is critical.
