FEATURES
OMT25– Series
• Two mounting methods: flange
or panel mount
• Three different tones and combi-
nations 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 cur-
rent 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 tempera-
ture -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