Sound Calibrator - Metal, 100-200 Grams, Silver | 94 Db & 114 Db, 1000 Hz, 0.5 & 1 Inch Microphone Compatibility

Sound Calibrator Lutron SC-941 - 1000 Hz Frequency, 94 dB Sound Pressure Level, Built-in Over Input Protection, Ideal for 0.5 & 1 Inch Microphones

Sound Level Meter - 3½ Digit LCD, 40db to 130db (A/C Weighting) | Durable, Corrosion Resistant, Flexible Design for Versatile Noise Measurement

Wood Sound Level Calibrator

Sound Level Meter - 236x63x26mm Dimensions, 31.5Hz~8kHz Frequency Range | Compatible with GB/T 3785, IEC 651 Type 2, and ANSIS 1.4 Type 2 Standards, Ideal for Environmental Noise Testing

Digital Sound Level Meter - Plastic and Metal, 300-500 Grams Weight | Class 'A' Accuracy, Large LCD Display, A & C Weighting Networks, Max Hold Function, Low Battery Indicator

Black Analog Sound Level Meter

Digital Sound Level Meter - Plastic & Metal, 40 dB to 130 dB Range | Back Light, Auto Power Off, Max Hold & Tripod Mountable

Silver Sound Calibrator

ND-9 Sound Calibrator - Metal, Manual Operation | Silver Finish, 94dB & 114dB Noise Levels, Compatible with 1-Inch Microphones