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ER-7660 FOG Inertial Navigation System

1. Build in high-precision closed-loop fiber optic gyroscope and high precision quartz accelerometer;
2. North seeking: High precision since the north found: 0.1 ° independent north precision;
3. Compass function: Both Drift Free compass function.

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ER-7660 FOG Inertial Navigation System

ERICCO is expert in high quality er-7660 ins fog inertial navigation system manufacturing and selling, who is one of the best manufacturers and suppliers of er-7660 ins fog inertial navigation system with high precision. We have a professional factory at your service.

ER-7660 INS FOG inertial navigation system


ER-7660 FOG INS built-in total temperature 0.3 °/ h high-precision closed-loop fiber optic gyroscope, 100 ug high precision quartz accelerometer. It supports BD function mobile mapping level multi-mode multi-frequency GNSS receiver, which can realize dynamic rapid alignment or GNSS double antenna auxiliary fast high precision orientation, orientation precision can be up to 0.1°.


ER-7660 FOG INS support GNSS/odometer/DVL/barometric altitude meter and other external sensors. It has good scalability, by using multi-sensor data fusion technology combining inertial measurement and etc, it also can make the system has been greatly improve regional adaptability and robustness; Products with pure gyro drift free function independently. At the same time, it can be in the absence of any external auxiliary, which can realize the infinite time course hold, especially suitable for unmanned aerial vehicle (UAV), and other kinds of underwater vehicle unmanned aircraft navigation position.


To meet the mobile street, marine surveying, mapping surveying, mapping field application requirements, matching with original data storage, the level of surveying, mapping navigation post-processing software, users can match it according to requirements.


Product features

Military device:


Good compatibility:

Surveying and mapping level GNSS receiver: built-in support beidou B1, B2, the highest support 3 mode frequency point 7


Compass function:

Both Drift Free compass function


Dynamic rapid alignment:

Support the rapid alignment: dynamic accuracy of 0.1 °, 1~2 minutes (dynamic maneuvers required)


Double fast directional antenna:

Double satellite antenna auxiliary support low dynamic application environment fast orientation: accuracy of 0.1 ° (2 m baseline )


High bandwidth:

High bandwidth: 200 hz data update rate



The support top 16 g data storage extension, navigation data/raw data/external user data is stored


Rich Interface:

Rich external interface: RS232 / RS422 / LAN/CAN/USB


Excellent extensibility:

Support for multiple external sensor combination (odometer/DVL/barometric altimeter, etc.)


Flexible configuration protocol:

Standard of NMEA0183 protocol output flexibility can match with up to 20 kinds of exclusive agreement


Waterproof and dustproof:

Waterproof and dustproof, protection grade IP67


Customizable options:

Interface, storage, precision grade


Application field


Aerial mapping:

Surveying and mapping  |  |  Unmanned aerial vehicles (uav)  |  | Photoelectric detection stability 


High dynamic range measurement bandwidth

Full scale fixed compensation (- 40 ℃ ~ 60 ℃)

Precision vibration environment optimization

INS/GNSS integrated design

Built-in 16 g data storage


Land-based areas:

Used for: intelligent unmanned vehicles of surveying and mapping | | city high-speed railway track inspection directional | | land-based positioning | | vehicle satellite communication


Military-grade level of surveying

Mapping navigation post-processing function

High precision inertial measurement device

Precise UTC time synchronous

Ethernet/CAN interface

Support the car 12 v power supply

SFE multi-sensor fusion technology GNSS/odometer/RTK



Sea field

Hydrological measurement  |  | Channel detection  |  |  Marine compass  |  | Unmanned surface craft


Since 0.06 ° north seeking accuracy

Heave measurement accuracy

Supports up to 4 road shipboard equipment connected

IP67 degree of protection

Support the NMEA standard protocol


Underwater areas

Underwater vehicle


Technical index

Real time precision

North seeking precision

0.05 ° (1σ)

Dynamic alignment

0.1 ° (1σ)

Low dynamic dual antenna auxiliary baseline (2 m)

0.5° (1σ)

Auto north seeking (0.05 ° / hr gyro matching)

Attitude accuracy

0.02° (1σ)

GNSS combination level positioning accuracy

Single point L1/L2: 1.2m ()

RTK: 2cm+1ppm ()

GNSS combined velocity accuracy

0.02m/s ()

Odometer positioning accuracy

0.5% Range

(depending on external odometer accuracy)

Heave measurement precision

5cm or 1%

Startup time

≤ 10s

Dynamic alignment time


(depending on the dynamic motor form)

Double antenna auxiliary orientation time


Azimuth Angle measurement range


Pitching Angle measurement range


Rolling Angle measurement range


Main part performance



Close-loop fiber optic gyroscope


±300° /s

Zero bias stability

0.3° /hr






Serial port

2 path (RS232/RS422  custom configurations), 1 path RS232


1 path


1 path


1 path differential signal;

2 path single-ended

Support PPS, EVENTMARK Input / output

Auxiliary sensors

Odometer /DVL/ Atmospheric altimeter interface



Data refresh


Power supply

24V DC Rated12-36V DC

Power consumption


Outside dimension





20~500Hz, Vibration acceleration 5g


15g, 11ms

Operation temperation

-40° C - +55° C

Protecting level




Odometer suite

Doppler ladar/wheel speed sensors

Barometric altimeter suite

10~1200Hpa, resolution  0.1Hpa, High accuracy measurement 10m (Max)

RTK differential radio

Digital radio 433 MHz /900MHz/2.4GHz

Navigation post-processing software

The processing results of surveying and mapping level requirement





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