MODEL

K-25

Directional, Dual Tone

Industrial Air Horn
*EFFECTIVE OUTDOOR COVERAGE OF UP TO 3.5 KILOMETERS

• Dual tone, 370 Hz / 622 Hz fundamental frequency, Operating Medium: Air, nitrogen, CO2, 1/2” NPT inlet
engineered with off chords to grasp attention in order Control: Manual, solenoid or combination valve
to enhance warning effectiveness
SPL (Loudness) on Total: 141 ± 1 dBA @ 1 meter
• Ideal for noisy industrial areas Air Consumption: 22.6 L/Sec [48 SCFM] @ 7 bar [100 PSIG]
• Energy efficient with hermetically sealed diaphragm
assembly Audibility: 3.5 km on still air
Fundamental Frequency: 370 Hz / 620 Hz ± 20 Hz
• Will operate on a wide range of pressures without
Tone (Musical Note): D5 sharp / F4 sharp
requiring tuning or field adjustment for years of trou-
ble-free service Operating Pressure: 3 – 10 bar [45 – 150 PSI]
• Constructed of high strength cast aluminum with Operating Temperature: -40ºC to +85ºC [-40ºF to +185ºF]
stainless steel fasteners Finish: Painted red
∗ Signal will produce a sound pressure level of approximately 70 dB Degree of Protection: IP 54
@ 4 km in calm, cool conditions without topographical interference.
Signal strength at distance can vary dramatically depending on Basic Dimension: 311x337x178mm [12.25x13.25x7”]
environmental and geographical conditions. Please consult factory Net Weight: 5.25 kg [11.5 lbs]
for more detailed information.

Kahlenberg Industries, Inc.

1700 12th Street, P.O. Box 358
Two Rivers, Wisconsin, 54241
Phone: (920) 793-4507 / Fax: (920) 793-1346
Website: www.kahlenberg.com Email: info@kahlenberg.com