Table 1 Basic parameters of GNSS equipment of DM-GNSS A300 model

GNSS receiver

Displacement accuracy

Static: Plane: ± (2.5 mm + 0.5 × 10⁻⁶D), Elevation: ± (5.0 mm + 0.5 × 10⁻⁶D)

Dynamic: Plane: ± (8.0 mm + 0.5 × 10⁻⁶D), Elevation: ± (15.0 mm + 0.5 × 10⁻⁶D)

MEMS measurement ranges

Angle: ± 90°, Acceleration: ± 8 g

MEMS measurement accuracy

Angle: 0.1°, Acceleration: ± 0.01 g

Frequency of data update

0.2 Hz, 0.5 Hz, 1.0 Hz, customizable

Signal re-capture

 < 1 s

Solving mode

Static solving

10 min/time

Dynamic solving

1 min/time

Protection level

Protection level ≥ IP67, support lightning over-voltage protection

Communication mode

Fit all kinds of networks

Other

Environmental temperature

 − 40 °C ~ 75 °C

System power consumption

 < 2 W

External interface

Power /RS485/RS232 etc., also external DTU

Mounting bracket