Noiseken INS 400L Noise Generator For SaleFeatures :
Measurement Range: Likely covers a broad range of sound pressure levels, typically from 30 dB to 130 dB, to measure low to high noise levels. Frequency Range: It may measure frequencies from 20 Hz to 20 kHz or a similar range, suitable for most general noise testing. Accuracy: The device would typically feature high accuracy, likely within ±1 dB, to provide reliable measurements. Microphone Type: Likely includes an electret condenser microphone for accurate sound capture across the frequency spectrum. Output Type: The INS-400L may include an analog or digital output for connecting to external devices or for logging results. Power Supply: Often powered by standard batteries (e.g., AA or 9V) or rechargeable batteries, with low-power consumption for extended usage. Size & Weight: The instrument is usually compact and portable for easy field use. Data Logging/Storage: Some models may include built-in memory for data logging, allowing users to store and later analyze sound levels over time. Display: A digital LCD display is common, showing real-time sound level readings in dB. Environmental Protection: Devices like this are typically designed to be durable and may have some level of water or dust resistance (IP rating).