HMR3500 Precise Compass PCBA for Marine Navigation Mapping
Applications
● Satellite Antenna Searching
● Marine Navigation Mapping
● GPS Integrated Navigation
● Antenna Servo Control
● Artillery launching system
● Infrared imager
● Laser rangefinder
Features
● High accuracy compass
● Tilt compensation
● 25Hz data refresh rate
● Light weight
● Customizable coordinate system
● All solid-state structure
● + 5DC power supply voltage range
● Conventional magnetic compensation for hard and soft iron
● Embedded geomagnetic field model
● True north or magnetic north datum selection
● Used by users and industrial environments
● Various power sources can be customized
● 24 conventional coordinate headings
● User-defined heading plane
● Fast heading calculation for navigation
● Operating temperature range of -40 ℃ to + 85 ℃
● Above 1 ° heading accuracy (1σ), 0.1 ° resolution
● Pitch and roll accuracy of ± 89 °, continuous roll capability of 360 °
● Small size, suitable for tight installation conditions and minimal layout constraints
● User-driven calibration with zero leakage magnetic field. Hard and soft iron corrections using the same procedure
Parameter
| Condition |
Minimum
|
Standard | Maximum | Unit | |
| Yaw | |||||
| Accuracy | Horizontal | / | ±0.5 | 1.0 | °(1σ) |
| 0°~30° | / | ±0.8 | °(1σ) | ||
| ±30°~±80° | / | ±1.0 | °(1σ) | ||
| Resolution | / | ±0.1 | ° | ||
| Lag | / | To be determined | ° | ||
| Repeatability | / | To be determined | ° | ||
| Pitch and roll | |||||
| Roll range | Default heading, rotation around X axis | ±180° | ° | ||
| Pitch range | Default heading, rotation around Y axis | ±85° | ° | ||
| Accuracy | Beyond pitch and roll range | ±0.2 | °(1σ) | ||
| Zero precision * | Horizontal | ±0.1 | ° | ||
| Resolution | 0.1 | ° | |||
| Lag | To be determined | ° | |||
| Repeatability | To be determined | ° | |||
| Magnetic field | |||||
| Range | Maximum magnetic flux density | 0.8 | Gauss | ||
| Resolution | To be determined | Milli Gauss | |||
| depression angle | Earth vertical field strength component | -70 | +70 | ° | |
| Electric | |||||
| Input voltage | Standard product | 2.5 | 5.0 | 5.2 | DC voltage |
| Current | At 5.0 volts DC | 45 | 60 | 65 | mA |
| Digital interface | |||||
| UART | ASCII (1 start, 8 data, 1 stop, 0 parity) user selectable baud rate | 4800 | 9600 | 38400 | baud |
| Data refresh rate | Continuous heading refresh | 0.05 | 10 | 25 | Hz |
| Format | Bidirectional binary data packet transmission protocol, optional NEMA0 183, HDG and HDT | RS-232 | / | ||
| Physical | |||||
| Size | Circuit board integration | 50.34*39.85*11.40 | mm | ||
| Weight | HMR3500-CH PCB (printed circuit board) | 0.6 | ounce | ||
| Encapsulated without cable | 3.0 | ounce | |||
| Connector | 5-pin, 2 mm pin pitch | / | |||
| Environment | |||||
| Temperature | operation | -40 | +85 | ℃ | |
| Storage | -55 | +125 | ℃ | ||
| Impact | Half sine wave, 0.5 ms | to be determined | g | ||
| Vibration | Frequency range to be determined Hertz | to be determined | g | ||
| Reliability | Mill Handbook Forecast, at 25C | to be determined | Hour | ||
Pin configuration
| Pin No. | Name | Description |
| 1 | GND | RS-232 signal ground |
| 2 | RXD | RS-232 receive data |
| 3 | TXD | RS-232 send data |
| 4 | +Vin | Positive phase supply voltage input |
| 5 | -Vin | Power negative |
Size
