Electromagnetic Controlled Gyrocompass
General Description：
Electromagnetic controlled gyrocompass which is new model marine compass is suitable for all kinds of size ships. And it adopts a liquid—floating free gyroscope as sensor. This instrument has high accuracy, steady characteristic to easily operate and maintenance. It can continuously and precisely indicate the ship's heading direction and north—pointing. When there is emergency or high latitude area, gyrocompass can regard as azimuth.
Standard & authentication:
Standard: GJB1723-93
Certification: CCS
Theory: Combining technology of electromagnetic control and compensation.
Supplementary equipment:
|
Supplementary equipment of gyrocompass |
||
|
Main Compass |
Power Box |
Transmitted Box |
|
Emergency Power |
Azimuth Repeater Compass |
Azimuth Repeater Compass Bracket |
|
Course Recorder |
Azimuth Circle of Magnetic Compass |
Heading Repeater Compass |
Detail：
|
Parameter of gyrocompass |
|
|
life of gyro sphere |
more than 10000h |
|
mean time between failures |
more than 2000h |
|
settle point error |
not exceed ±0.75 º × sec δ |
|
heading deviation (RMS) |
not exceed 0.25 º × sec δ |
|
repeatability error of settle point headings |
not exceed 0.25 º × sec δ |
|
heading error in straight and uniform sailing |
not exceed ±1 º × sec δ |
|
error due to rapid alteration of speed of 20 knots |
not exceed ±1.5 º |
|
error due to rapid alteration of course of180º at speed of 20 knots |
not exceed ±2.5 º |
|
rapid setting time |
less than 2h |
|
adaptable ship's power supplies |
AC 220V(50HZ) |
|
the max. difference of reading between the master compass and repeater |
±5 º |
|
transmission |
torque transmitter,50Hz, (BS404A can be connected) |
|
weight of the master compass |
less than 35KG |
|
dimension of master compass |
356 × 286 × 400mm |
|
dimension of power supply unit |
344 × 474 × 167mm |
|
dimension of transmission unit |
336 × 466 × 172mm |
Photo of electromagnetic controlled gyrocompass:
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