AZ Instrument 8930 Sound Level Meter Calibrator - 114 dB

The AZ Instrument 8930 is a high-precision sound level meter calibrator, meticulously engineered to provide reliable diagnostics for handheld decibel meters in both laboratory and field environments. Compliant with IEC 60942:2018 Type 2 Class standards, this portable sound source generates stable acoustic signals at 94 dB, 104 dB, and 114 dB at a fixed frequency of 1000 Hz. The 114 dB level is particularly effective for performing calibrations in high-noise industrial settings where ambient sound might otherwise interfere with the process.

Designed for maximum versatility, the 8930 series accommodates various microphone sizes (ranging from 23.8mm to 7mm) in accordance with IEC 61094-1 and IEC 61094-4. The device maintains laboratory-grade precision even under extreme humidity or high-altitude conditions, ensuring consistent results for environmental engineers and safety officers. With its dual-color LED status indicators, automatic stabilization, and 50-hour battery life, the AZ Instrument 8930 stands as the definitive professional standard for ensuring the meticulous accuracy of sound level measurement instrumentation.

Technical Specifications:

• Brand / Model: AZ Instrument 8930 (Sound Calibrator)

• Standard Compliance: IEC 60942:2018 Type 2 Class 2

• Frequency: 1000 Hz (Accuracy: ±1.7%)

• Sound Pressure Levels: 94 dB, 104 dB, 114 dB (Accuracy: ±0.4 dB)

• Stabilization Time: 10 Seconds

• Total Distortion: <3%

• Microphone Compatibility: Fits IEC 61094-1/4 compliant heads (23.8mm to 7mm)

• Power Supply: 2 x AAA Alkaline Batteries (Approx. 50 hours)

• Weight / Dimensions: ~400g / 60(L) * 130(W) * 37.5(H) mm

• Environmental Limits: Reliable from 0~40℃ and 25~90% RH

• Standard Package: Calibrator, Batteries, Manual, and Paper box.