Type / Part number  

AU7554  AU7615  AU7595  
Characteristic  Small and popular edition  Ethernet edition  High accurate by GPS edition 
Size  35×35mm  35×70mm  50×75mm 
Power supply voltage  3.5～6V / 6.5～36V  3.5～6V / 6.5～36V  5V / 12V / 24V / 48V 
Interface  RS232/CAN/USB  RS232/CAN/USB/Ethernet  RS232/CAN 
Output data  Acceleration (X,Y,Z) Angular velocity (X,Y,Z) Attitude angle (Roll,Pitch,Yaw) 
Acceleration (X,Y,Z) Angular velocity (X,Y,Z) Attitude angle (Roll,Pitch,Yaw) GPS: Latitude, Longitude, GPS velocity Barometer: Atmospheric pressure, Pressure height*1 

Angular velocity  ±200°/s  ±200°/s  ±200°/s 
Acceleration  ±2G / ±6G  ±2G / ±6G  ±2G / ±6G 
Angular velocity bias  0.5 deg/s rms  0.2 deg/s rms  0.5 deg/s rms 
Acceleration bias  40mG  40mG  40mG 
Operating temperature limit  40～85℃  40～85℃  40～85℃ 
Frequency response  10Hz  30Hz  10Hz 
Output update rate  200Hz  1000Hz  50Hz 
Case type series  TAG250 series  TAG265 series  TAG264 series 
Accessory  Communication cable / Power cable  Communication cable / Power cable / GPS antenna  
Specification  ※Under Constraction 
※Under Constraction 

For purchase  
Unit price 
JPY50,000  JPY110,000 
JPY400,000 
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General
Normal environmental condition should be no problem. Please contact us in case of hightemperature and highhumidity.
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Allan Variance  Plot of quotient when the integrated value of gyro output is divided by integral time. It shows a cluster time (averaging time) in a horizontal axis and an Allan deviation (σ) in a vertical axis. We can read the random walk, bias stability etc. from the plot and also represent the noise component of gyro in a graph. 

Warm Up  Warming up operation after turning on the power 
Angular Velocity  Change ratio of angle (rotation speed, rotation angle) per unit time 
Acceleration  Change ratio of speed per unit time. The gravity is a kind of the acceleration. 
Cross Coupling  Sensitivity against the detection axis by another axis input. Misalignment which indicates direction accuracy is a kind of the cross coupling. 
CPS/INS Hybrid Navigation System  Compound navigation of GPS and INS (Inertial Navigation System). Technology for high accuracy and stable navigation. The error estimation of inertial sensor by Kalman filter improves the accuracy. 
Scale Factor  Ratio of sensor output changed by input. It is also called sensitivity (Sensitivity is distinguished from scale in the IEC standard). 
Sensor Fusion  By compounding data from several sensors, improve the measurement reliability of the unit or complement defects of each sensor. 
Sensor Data Correction  To correct the error which each sensor has. 
Dynamic Range  Measurable range of a sensor from minimum to maximum of a motion. The reciprocal of a dynamic range is a scale factor. 
Dead Reckoning (Autonomous Navigation) 
Technology of position measurement with high accuracy even in a tunnel without GPS signal by the compound arithmetic procession of the information from gyro sensor, accelerometer etc. 
Drift  Drift is the indication of bias variation size under the influence of environmental condition such as temperature (rise or fall), power supply variation or vibration. There is also a successive change shifting slowly. 
Bias  Deviation from ideal center. Difference between output in a stationary state and ideal zero. It is also called zero point bias or offset. It becomes an element of the error (integration error) in case of angle calculation. 
Fiber Optic Gyro  Turn the optical fibers like a coil in CW and CCW and input light to both directions. By the interference of the output, the wavelength is changed due to Doppler effect according to the motion (red and blue shift). A gyroscope which detects and outputs the change amount. 
MEMS  MEMS is the abbreviation of Micro Electro Mechanical Systems and the general term indicates the technology to build micro mechanical mechanism of nanolevel or micronlevel by using semiconductor manufacturing equipment. 
MEMS Gyro  Sensor making use of MEMS technology which detects the acceleration by using inertial force (Coriolis force) coming from vibration or rotation 
Random Walk  Digitalized value of degree of variation (white noise). It is considered to be the noise which a sensor has. 
Leveling Calculation  Inertial operating algorithm of MEMSIMU (IMU consists of MEMS gyros and MEMS accelerometers) made by Tamagawa. It enables a high precision dynamic posture measurement to a low cost (low accuracy) gyro. 