Noise Alarm Device / Model Number M1552A-400S
Monitor and manage sound as a simple noise detector.
■Features ● Manages sounds at construction sites and machine noises within factories. Monitors the sounds of machines and equipment. Manages product quality based on the volume of operational sounds. ● Equipped with alarm contacts, making it very effective for noise monitoring and product management when connected to rotating lights or buzzers. ● Large digital display for easy reading. ● All operations are performed from the front panel. ● DIN standard panel size (96×96mm). ● Microphone cable can be extended up to 100m. ● Built-in oscillator allows for easy adjustment of the recorder. ● Standard equipped with AC and DC outputs. ● DC output is either 4–20mA or 1–5V. Applicable Standards: Measurement Law, JIS C1502, IEC60651 type2 Microphone: 1/2 inch electret condenser microphone Frequency Correction Circuit: A characteristic (C, F, or BP characteristics are also acceptable) Frequency Range: 20–8000Hz Indication and Alarm Range: 50–100dB (other levels are also acceptable) Indication Accuracy: ±1.5dB Digital Display: 3.5 digits Detection Method: RMS detection Time Constant: FAST (or SLOW) is also available Display Cycle: 2.5 times/second
