Overview
The T90 high-precision inertial measurement unit uses a 90-type three-axis fiber optic gyroscope and a high-precision quartz flexural accelerometer as its core inertial components. It adopts a three-axis orthogonal configuration scheme and uses a high-precision error compensation algorithm to achieve high-precision measurement of the carrier's motion. It also transmits real-time measurement information such as angular rate and acceleration to the outside world through the communication port at a specified period.
Features
● High precision.
● Excellent start-up performance; it reaches the nominal specifications immediately upon power-on, without the need for preheating.
● Communication protocol is configurable: The communication protocol and baud rate can be set according to user needs.
● Excellent environmental adaptability and resistance to strong impact and vibration.
● Rich and reliable interface configuration: Equipped with digital communication interfaces such as RS422 and RS232 to meet the data interaction needs of multiple devices.
● High reliability.
Physics/Electricals
● External dimensions: 179.6mm × 179.6mm × 145mm
● Weight: Less than 6.0 kg
● Power supply: 12-32V DC power supply, nominal power supply voltage 24V
● Power consumption: Steady-state power consumption less than 18W
● External connector: J30JM-37ZKP
Environmental adaptability
● Operating temperature: -40 ℃ ~ +60 ℃
● Storage temperature: -55 ℃ ~ +80 ℃
● Vibration: 6.06g (RMS), 20Hz~2000Hz
● Impact: 30g, 6ms~8ms
Specifications
|
No. |
Items |
Parameter |
|
1 |
Gyroscope measurement range |
±1000°/s |
|
2 |
Room temperature zero bias stability |
0.01°/h (10s smoothing, 1σ) 0.003°/h (100s smoothing, 1σ) 0.001°/h (Allan variance) |
|
3 |
Variable temperature zero bias stability |
0.007°/h (100s smoothing, 1°C/min, 1σ) |
|
4 |
Zero bias repeatability |
0.003°/h |
|
5 |
Random walk coefficient |
0.0005°/√h |
|
6 |
Scale factor Nonlinearity |
5 ppm |
|
7 |
Scale factor asymmetry |
2ppm |
|
8 |
Scale factor repeatability |
5ppm |
|
9 |
Accelerometer measurement range |
±15g |
|
10 |
Zero bias stability |
20ug (normal temperature)/ 50μg (full temperature) |
|
11 |
Zero bias repeatability |
20ug (normal temperature)/50μg (full temperature) |
|
12 |
Scale factor nonlinearity |
20 ppm(1σ) |
|
13 |
Scale factor monthly repeatability |
30ppm(1σ) |

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