Digital noise meter, multi-function sound level meter with red backlit alarm and fast measurement for factories, homes, and offices

Features:1.The product features a 4-digit display, making readings clearer and more convenient.
2.High-sensitivity sensor for faster and more accurate measurements.
3.The measurement range is 30 to 130 dB, suitable for measuring sound or noise levels in most situations.
4.Suitable for monitoring sound quality in factories, offices, homes, schools, and construction sites.
5.Features maximum and minimum hold functions.Data hold function.Red backlit alarm and audible alarm.Automatic or manual power-off function. Temperature measurement function.​
Specifications:Features:
The product adopts a 4-digit display, making the reading data clearer and more convenient.
High-sensitivity sensor, fast and more accurate measurement.
The measurement range is 30 to 130 dB, making it suitable for measuring sound or noise in most situations.
Suitable for monitoring sound quality in factories, offices, homes, schools, and construction sites.
Features maximum and minimum hold functions.Data hold function.Red backlit alarm and audible alarm.Automatic or manual power-off function.Temperature measurement function.
Specifications:
Brand: SMART SENSOR
Model: ST9604
Measurement range: 30-130 dBA
Accuracy: ±1.5 dB (SPL point at 94 dB at 1 kHz)
Frequency weighting: A-weighted
Frequency range: 31.5 Hz - 8.5 kHz
Sampling rate: 2 times/second
Data hold: Maximum and minimum hold
4-digit digital display
Resolution: 0.1 dB
Temperature measurement range: -10 °C ~ 50 °C (14°F-122°F)
Accuracy: ±2 °C
Resolution: 0.1 °C
Microphone: Electret condenser microphone 1/2"
Power supplyAAA battery