# 选型指南

# IMU/INS产品

DETA10A IMU/AHRS 9轴,三轴加速度计+三轴陀螺仪+磁力计;
DETA10N IMU/AHRS/INS/GNDSS 9轴,三轴加速度计+三轴陀螺仪+磁力计,惯性导航,支持外接辅助设备如gnss 实现组合导航;

DETA20A IMU/AHRS 10轴,三轴加速度计+三轴陀螺仪+磁力计+冗余航向陀螺仪;
DETA20N IMU/AHRS/INS/GNDSS 10轴,三轴加速度计+三轴陀螺仪+磁力计+冗余航向陀螺仪,惯性导航,支持外接辅助设备如gnss 实现组合导航;

DETA30A IMU/AHRS 12轴,三轴加速度计+三轴陀螺仪+磁力计+冗余三轴陀螺仪;
DETA30N IMU/AHRS/INS/GNDSS 12轴,三轴加速度计+三轴陀螺仪+磁力计+冗余三轴陀螺仪;惯性导航,支持外接辅助设备如gnss 实现组合导航;

DETA10 DETA20 DETA30 DETA90 DETA100 EPSILON
Accel Range ±16 g ±16 g ±16 g ±16 g ±16 g ±16 g
Accel In-Run Bias (Allan Variance) < 0.04 mg < 10 μg < 0.04 mg < 10 μg < 0.04 mg < 10 μg
Accel Noise Density (VRW) 0.14 mg/√Hz < 0.04 mg/√Hz 0.14 mg/√Hz < 0.04 mg/√Hz 0.14 mg/√Hz < 0.04 mg/√Hz
Gyro Range ±2,000°/s ±490°/s ±2,000°/s ±490°/s ±2,000°/s ±490°/s
Gyro In-Run Bias (Allan Variance) 5-7°/hr typ. 0.4-0.7°/hr typ. 5-7°/hr typ. 0.4-0.7°/hr typ. 5-7°/hr typ. 0.4-0.7°/hr typ.
Gyro Noise Density (ARW) 0.0035 °/s /√Hz 5 °/hr /√Hz 0.0035 °/s /√Hz 5 °/hr /√Hz 0.0035 °/s /√Hz 5 °/hr /√Hz
Heading (Magnetic) 2.0° RMS 2.0° RMS 2.0° RMS 2.0° RMS 2.0° RMS 2.0° RMS
Heading (Dynamic, INS) - - 0.2°, 1σ 0.05°-0.1°, 1σ 0.2°, 1σ 0.05°-0.1°, 1σ
Heading (GNSS Compass) - - - - 0.15° RMS 0.15° RMS
Pitch/Roll (Static, AHRS) 0.5° RMS 0.05° RMS 0.5° RMS 0.05° RMS 0.5° RMS 0.05° RMS
Pitch/Roll (Dynamic, INS) - - 0.03°, 1σ 0.015°, 1σ 0.03°, 1σ 0.015°, 1σ
Horizontal Position - - 1.0 m RMS 1.0 m RMS 1.0 m RMS 1.0 m RMS
Vertical Position - - 1.5 m RMS 1.5 m RMS 1.5 m RMS 1.5 m RMS
RTK Positioning - - - 10 cm + 1 pmm CEP - 10 cm + 1 pmm CEP
Heave 5 % or 5 cm - 5 % or 5 cm - - -

VRU IMU AHRS INS GNSS RTK 定向 4G Ntrip 电台60km IP68
DETA10A
DETA10N 外置
DETA10APW
DETA20A
DETA20N 外置
DETA20APW
DETA30A
DETA30N 外置
DETA30APW
DETA100R
DETA100R4G
DETA100D
DETA100D4G
Epsilon-A
Epsilon-E
Epsilon-N
Epsilon-D
Epsilon-D4G
Epsilon-Dp900