EAO Alarm indicator 100 dB 18 x 24 mm

Electronic, contactless transducer. Low current consumption. No radio-and HF-interferences. Large voltage range. Steady tone or interval operation. Scheme A and B: steady tone. Scheme C: interval duration around 3 Hz. Scheme D: volume adjustment. Supply voltage 10 to 55 VAC or 10 to 75 VDC. Volume 100 dB (10 cm) adjustable with 1 MOhm- potentiometer. Frequency 2.8 kHz.