DHR H400 Series

DHR H400 Series

The H400 Maritone is the first air horn developed by DHR which has been approved according the international rules of Colreg ‘72. An excellent whistle for seagoing vessels with a maximum length of 75 meters. It has an audible range of more than 1 nautical mile. The combination of high quality materials and precision manufacturing, provides superior durability for a lifetime operation. With the introduction of the attractive H400 Maritone, DHR positions itself as a pioneer in advanced maritime signalling solutions.

 

Quote
Robust designMaintenance friendly
Easy installationHigh quality materials

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Application
Sea-going vessels up to 75m in length
Inland navigation vessels on German inland waterways (Seeschifffahrtsstraßen)

Materials
316L stainless steel membrane housing
Brass horn with powder coated finishing

Weight
Air horn 2.6 Kg
Mounting bracket 0.1 Kg

Approval 
COLREG'72

Air consumption
8 - 12 l/s at 7 Bar
Note that a powerfull onboard compressor with air storage tank is needed to provide enough airpressure and airflow. 

 

Horn

Length

Diameter

Fundamental frequency

Sound pressure level

Article code

H400

360 mm

180 mm

440 Hz

130 dB at 1/3 octave or 142 dB(A)

40001

 

SKU:
40001
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Categories: DHR Marine, Air Horns