High-brightness laser up to 120 m
Advanced Laser IMU-RTK GNSS
Meridian
M25
Meridian M25 is an advanced RTK receiver for surveyors who need direct measurement in difficult points. It combines multi-frequency GNSS, a laser up to 120 m, AR camera and IMU tilt compensation in one device.
KEY ADVANTAGES
Key capabilities.
AR stakeout with 5MP camera
IMU tilt compensation up to 120°
Laser RTK rover operation up to 22 hours
BEST FIT
Suitable for...
- Hard-to-reach points using a laser up to 120 m
- RTK work with tilt and visual stakeout
- Teams needing a versatile GNSS receiver
TECHNICAL SPECIFICATIONS
Detailed specifications.
The specifications below are based on available official product materials and may vary by device version or configuration.
Performance & Accuracy
- GNSS channels
- 1760 channels
- Data update rate
- Up to 20Hz
- RTK horizontal accuracy
- ±(8 mm + 1 ppm)
- RTK vertical accuracy
- ±(15 mm + 1 ppm)
- Static accuracy
- Horizontal ±(2.5 mm + 0.5 ppm) / vertical ±(5 mm + 0.5 ppm)
- Cold start
- Less than 40 seconds
Smart Measurement
- Laser range
- Up to 120 m
- Laser accuracy
- Horizontal ±(8 mm + 3 mm/m) / vertical ±(15 mm + 3 mm/m)
- Tilt compensation
- ≤2 cm at tilt ≤60°; supports up to 120°
- AR camera
- 5MP wide-angle camera for visual stakeout
- Laser camera
- 5MP camera for aiming and display support
Connectivity & Data
- Bluetooth
- SPP 3.0 + BLE 5.0
- Wi‑Fi
- 802.11 a/b/g/n/ac
- Network
- 4G LTE FDD/TDD
- Internal radio
- 1W or 2W, 410–470MHz
- Storage
- 32GB
- Management
- WebUI for status, update and configuration
Power & Protection
- Battery
- 7.2V / 6600mAh lithium
- Operating time
- Laser RTK rover up to 22h / static up to 40h
- Charging
- USB PD 12V/1.5A
- Protection
- IP68
- Operating temperature
- -40°C to +85°C
- Weight
- Up to 749 g
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