OMT257

FEATURES OMT25– Series • Two mounting methods: flange or panel mount • Three different tones and combinations available • Small size with rich sound output This product has been Piezo Audio Indicators DISCONTINUED Diam. 3.5 mm 0.138" Flange Mounting/Panel Mounting Types OMT200–, OMT260–, OMT35–– Series • Flange mounting with two lead wires • Small size and lightweight • Rich sound output and low current drain 34.0 mm ±0.4 1.339" ±0.016 6.0 mm 0.236" 8.0 mm 0.315" 41.0 mm ±0.4 1.339" ±0.016 29.0 mm 1.142" 18.0 mm 0.709" ALL • Operating temperature 20°C~60°C; Storage temperature -30°C~70°C OMT25_ Series 24.5 mm ±0.4 0.965" ±.016 OMT35__ Series Diam. 3.4 mm 0.134" OMT200_ Series 3.5 x 4.5 mm Diam. 0.138 x 0.177" 2.2 mm 0.087" OMT260_ Series 41.8 mm 1.646" 50.0 mm 1.969" 60.0 mm 2.362" 16 mm 0.63" 24.0 mm 0.945" 29.0 mm 1.142" 34.0 mm 1.339" 14.5 mm 0.571" 32.0 mm 1.260" 38.0 mm 1.496" 44.0 mm 1.732" 13.5 mm 0.531" Model No. ✔ OMT200 ✙ OMT200L ✙ OMT250 ✙ OMT251 ✔ OMT253 ✔ OMT255 ✔ OMT257 ✔ OMT260 ✔ OMT260L ✙ OMT350 ✔ OMT350L ✔ OMT351 ✔ OMT351L Oscillating frequency (Hz ±500) 3100 3100 3500 3500 3500 3500 3500 3500 3500 2800 2800 2800 2800 Operating voltage 3–20 DC 3–20 DC 4–28 DC 4–28 DC 4–28 DC 4–28 DC 4–28 DC 3–28 DC 3–20 DC 3–28 DC 3–20 DC 3–28 DC 3–20 DC Sound pressure Current @30cm/12vdc consumption (dB min.) (mA max.) 78 93 87 85 87 90 90 88 93 85 92 81 88 12† 5† 8 5 6 8 8 5† 8† 8 12 6 8 Tone* Continuous Continuous Continuous Fast pulse Slow pulse Cont. & F. P. Cont. & S. P. Continuous Continuous Continuous Continuous Pulse Pulse Weight (g) 4.5 4.5 10.2 10.2 10.2 10.2 10.2 15 15 14.6 14.6 14.6 14.6 ✙ = Most popular stock values ✔ = Stock values ✜ = Non–stock values subject to minimum handling charge per item * Pulse rate at 12VDC: Fast, 3.0 Hz ±20%; Slow, 1.2 Hz ±20% † at 12 VDC Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 83