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Shockproof High Efficient 3 Axis Digital Compass For Platform Leveling EC339A

Nanjing Sky MEMS Technology Co.,Ltd.
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Nanjing Sky MEMS Technology Co.,Ltd.
City: Nanjing
Province/State: Jiangsu
Country/Region: China
Tel: +86-25-83356968
Contact Person:
Mr David zhu

Shockproof High Efficient 3 Axis Digital Compass For Platform Leveling EC339A

Brand Name : SkyMEMS
Model Number : EC339A
Certification : CE, FCC, ROHS
Place of Origin : Nanjing, Jiangsu
Price : discuss personally
Payment Terms : Western Union, MoneyGram, L/C, T/T, D/A, D/P
Supply Ability : 1000PCS for month
Delivery Time : 3-5 days after payment
Packaging Details : Strong carton with PET strap for EC339A 3 Axis Digital Compass
Heading Accuracy :
Heading Resolution : 0.1°
Pitch Accuracy : 0.1° RMS
Roll Accuracy : 0.1° RMS
Tilt Range : ±90º pitch ±180º roll
Tilt Resolution : <0.01°
Hard Iron Calibration : Yes
Soft Iron Calibration : Yes
Tilt Compensated : Yes
3-Axis magneto-resistive sensor : Yes
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Military E Compass Electronics TTL Output 3 Axis Digital Compass Sensor for Platform Leveling EC339A

Product Description

EC339A 3 Axis Digital Compass Sensor uses a highly sensitive 3

axis digital compass to return the orientation of the device

in regards to magnetic north. It is the right selection for tracking directional behavior and positioning.

EC339A can output pitch, roll and azimuth and magnetic-field component automatically or manually. It is optimized for petroleum and Geological bore-hole surveying. It is very suitable for borehole clinometers systems.

EC339Aworking temperature can reach 125°. By advanced temperature-compensation algorithm, EC339A can output high-accuracy attitudes in full temperature range.

Main Features

3-Axis magneto-resistive sensor
Range : Roll ±180°, Pitch ±90°, azimuth 0-360°
Accuracy: pitch ±0.1°, azimuth ±1°
Hard and soft magnetic compensation
Wide magnetic field range
Precision in-axis sensitivity and linearity
Low power consumption
Widely working temperature: -40℃~+125℃
Small size: L160*20*18mm, light weight

Typical Application

EC339A is widely used in harsh industrial environments, such as:

- Drilling & Boring Rigs

- Oil drilling platform

- Navigation / GPS Integration

- Instrumentation

- Attitude Referencing

- Survey

- Platform Leveling

Technical Specifications

Technical Specs
Heading accuracy±1°Deg RMS
Pitch Accuracy±0.1°Deg RMS
Roll Accuracy

0.1º for pitch <65º

0.2º for pitch <80º

0.5 for pitch <86º

Tilt Range

±90º pitch

±180º roll

Tilt Resolution< 0.01°Deg RMS
Hard Iron CalibrationYes
Soft Iron CalibrationYes
User CalibrationYes
Dimensions (L x W x H)160*20*18mm
Mounting OptionsScrew mounts/standoffs; horizontal
Connector for RS-2325-pin
Latency from Power-On< 50mSec
Maximum Sample Rate50samples/sec
Communication Rate2400 to 19200Baud/S
Output FormatsBinary Protocol
Supply Voltage9VVDC
Current Draw (Continuous Output)Max50mA
Shock50~3000 G , Half Sine Wave Shock with 2 drops at each levelG

Competitive Advantages

High Performance 3 Axis Digital Compass sensor

- High heading accuracy

- Hard and soft magnetic compensation

- Full tests and individual calibration from -40 to 85°C

- High cost effective


What are the Gyrocompasses?

If magnetic compasses can be tricky to use in ships, imagine how much worse they are in fast-moving aircraft. That's why airplanes (plus large ships and some land vehicles) rely on gyrocompasses. Unlike a magnetic compass, which points the same way because of magnetic attraction, a gyrocompass uses a gyroscope—a fast-spinning wheel, mounted on gimbals, that keeps rotating in the same direction whichever way you turn it. Gyrocompasses are better able to cope with the more "dynamic environment" onboard ships and planes and another advantage is that they can be set to indicate true north (the north pole) rather than magnetic north.

The gyrocompass was successfully developed in the early 20th century by American engineer Elmer Sperry (1860–1930), patented in 1908, and first demonstrated on a ship in 1911. However, Sperry's gyrocompass was actually based on an earlier (1906) invention by German scientist Hermann Anschütz-Kaempfe (1872–1931), who successfully sued Sperry for patent infringement in Germany with the help of Albert Einstein (1879–1955). Later patent infringement cases in the UK and the USA found in favor of Sperry, however, which is why he's largely credited with the invention today.

Product Tags:

high accuracy digital compass


magnetic compass sensor

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