magnetic compass

Specifications

Magnetic compass

Introduction:

 
 
This magnetic compass is a good kind of liquid compass. It is applied to the modern medium or small vessel as a steering compass, especially in the fishing vessel.
This compass is designed to meet the technical requirements of GB/T 14108-93 and ISO-449 standards referring class A magnetic compass.

 
 
Main Characteristics:

 
 
Compact in construction,light in weight,good in performance and high in reliability.
Easy to operate with a variety of self-deviation correcting units.
A variety of stable magnetic materials and a long lige.
A datum provided to autopilot as a necessary accessary.
Main Technical Data:
Card diameter: Φ 165mm
Card graduation: 0°~360°, 1° per graduation (remarkable marks on the 8 main points)
Direction error: not more than 0.5°
Swing semi-period: not less than 8.8seconds (H=34uT at 20±3°C)
Setting time: not more than 41 seconds (H=34uT at 20±3°C)
Friction error: not more than 0.088° (H=34uT at 20±3°C)
Eddy error: not more than 1.05° (H=34uT at 20±3°C)
Operating temperature: -30°C~+60°C
Illumination power: DC24V 0.15A, AC220V 15W
Overall dimension: 328×680×538mm
Diameter of mounting holes: Φ270×4 - Φ12
Weight: 27kg
Spare Parts:
Seal washers: 2pcs
Bulbs (220v15w): 2pcs
Screw cap bulbs (24v 0.15A): 2pcs
500ml plastic kettle (full of compass liquid): 1pc
Accessory:
Correction magnetic bars for main semi-period: 12pcs (Φ 6.7×100)
Correwction magnetic bars for tilting selfdeviation: 3pcs(include 2pcs of Φ7.5×75 & 1pc of Φ7.5×50)
Correction pure iron sheets fro quadrant selfdeviation: 11pcs(include 1pc for minimodulation)
Flinder's bar for secondary semi-period.