Sound Level Meter, Digital Sound Level Meter Range 30-130dB Sound Volume Measuring Instrument Self-Calibrated Decibel Monitoring Tester ST9604 Noise Tester Noise Tester Decibel Meter+Noise Test T

• 【Min/Max/Data Hold Function】 This sound level meter with maximum hold function and minimum. Data hold function. Automatic or manual power off function. Temperature measurement function.
• 【Min/Max/Data Hold Function】 This sound level meter with maximum and minimum hold function. Data hold function. Automatic or manual power off function. Temperature measurement function.
• 【Range of application】 Suitable for sound quality control in factories, offices, homes, schools and construction sites. Also suitable for sound or noise measurement in most cases.
• 【Precision measurement and off-range measurement warning sign】 Measuring range: 30130 dB, accuracy: ± 1.5 dB, resolution: 0.1 dB, there will be a warning sign when the standard exceeds the standard. Red backlit alarm and audible alarm.
• 【Four-digit display for clearer readings】 The product adopts a 4-digit display, which makes the reading data clearer and more convenient. High-sensitivity sensor, quick and more accurate measurement.

Specifications: Brand: SMART SENSOR Model No.: ST9604 Measuring Range 30-130dBAAccuracy ± 1.5 dB SPLreference point at 94 dB at 1 kHz) Frequency weighting A weighting frequency range 31.5 Hz-8.5 KHz Sampling Rate 2 times/second Data Hold Maximum hold and minimum. Digital display 4 digits Resolution 0.1dB Temperature measurement range -10℃~50℃(14F-122F) Accuracy ± 2°C Resolution 0.1°C Microphone 1/2 Inch Electret Condenser Microphone Power Supply AAA battery x 3 (not included) Package list: 1 x sound level meter. 1 x instruction manual.