Sound Level Calibrator 94dB / 114dB Fits 1'' and 1/2'' Microphones Digital Decibel Meter Calibratior with ±0.3dB High-Precision SPL Calibrator Digital LCD Display with Backlight

✔【94dB & 114dB Sound Levels】 Delivers precise 94dB and 114dB tones with ±0.3dB high accuracy. This acoustic calibrator conforms to IEC60942 (IEC942) Class 1 standards perfect for calibrating decibel meters in personal, field, or laboratory use. ✔【Fits 1" and 1/2" Microphones】 Comes with a removable 1/2" transducer cap. Use it as-is for 1" microphones or remove the cap to fit 1/2" mics. The noise meter calibrator is compatible with most sound level meters. ✔【Backlit Digital Display】Features a clear LCD with backlight - shows your selected dB level (94 or 114) even in dark rooms or low-light field conditions. This dB meter calibrator comes with simple button operation, non-complicated menus. ✔【1000Hz Pure Tone Reference】This sound level calibrator emits a stable 1000Hz ±0.01% frequency that works with A, B, C, or D weighting networks. Calibrate any decibel meter without changing your existing settings or modes. ✔【Compact & Portable Design】Weighs approximately 0.44lbs only. This microphone calibrator is easy to carry in your tool bag, meter case, or backpack - perfect for technicians who move between indoor labs and outdoor jobsites.