Meridian

Meridian M25

High-precision GNSS RTK receiver with a 120 m laser, AR camera and calibration-free IMU.

Tilt compensation accuracy≤2cm
Radio working distance≤ 15 km
Operating time, RTK rover≤ 22 h
Weight≤ 900 g

Model: M25
Brand: Meridian

Meridian M25 is a GNSS RTK receiver with an ultra-bright 120 m laser for rodless surveying. Laser accuracy is ±(8 mm + 3 mm/m) horizontally and ±(15 mm + 3 mm/m) vertically. The 5 MP AR camera enables 360° augmented-reality stakeout.

In stockBestseller−26%

~~71 700~~ 52 900 MDL Price incl. VAT

Price per kit: receiver, MC200 controller with software (Android), survey pole

0% installments via Iute or Easy Credit. Online application and free delivery throughout Moldova.

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BrochuresBrochure EN

01Description

AR stakeout switches between the controller and the rover. Tilt compensation uses a 120° calibration-free IMU, and the internal MeridianLink radio covers up to 15 km. As a laser rover the receiver runs up to 22 hours, and in static mode up to 35 hours.

Key features

Ultra-bright 120 m laser: H ±(8 mm + 3 mm/m), V ±(15 mm + 3 mm/m)
5 MP AR camera, 360° AR stakeout
120° calibration-free IMU (tilt ≤2 cm at ≤60°)
Internal MeridianLink radio, range up to 15 km
1408 channels, 4G, WiFi, Bluetooth V5.2, 32 GB storage
Laser rover up to 22 hours, static up to 35 hours
IP68 protection

Typical use

The M25 suits work where points are hard to reach or distant: facades, walls, objects behind obstacles.

For configuration and availability, send a request for a quote.

02Specifications

GNSS signals

Number of channels	1408
GPS	L1C/A, L1C, L2P(Y), L2C, L5
GLONASS	L1, L2, L3*
BeiDou (BDS)	B1I, B2I, B3I, B1C, B2a, B2b*
Galileo	E1, E5a, E5b, E6*
QZSS	L1C/A, L1C, L2C, L5, L6*
SBAS	L1, L5*
NavIC (IRNSS)	L5
L-band corrections	B2b PPP (Only for the Asian-Pacific Region) & HAS*
Correction data formats	CMR, CMR+, RTCM2.X, RTCM3.X
Data output formats	NMEA-0183, RINEX, TXT
Data update rate	Up to 20Hz
Signal re-acquisition time	<1s
Cold start time	<40s

Positioning accuracy

Standalone positioning (RMS), horizontal	1.5m
Standalone positioning (RMS), vertical	3.0m
DGPS / code differential (RMS), horizontal	0.4m
DGPS / code differential (RMS), vertical	0.8m
RTK accuracy (RMS), horizontal	±(8mm+1×10-6·D)
RTK accuracy (RMS), vertical	±(15mm+1×10-6·D)
Static accuracy (RMS), horizontal	± (2.5mm+0.5-6·D)
Static accuracy (RMS), vertical	± (5mm+0.5-6·D)
Velocity accuracy (RMS)	0.03m/s
Velocity accuracy	≥0.03m/s
Time accuracy (RMS)	20ns

Tilt compensation and IMU

Tilt compensation accuracy	≤2cm(Tilt Angle≤60°, Up to 120°)
IMU update rate	200Hz
IMU (inertial unit)	120° calibration-free

Laser

Laser range	120+ m
Laser measurement distance (spec table)	Supports 120-meter laser range with high-brightness laser technology
Laser accuracy (RMS), horizontal	±(8mm+3mm/m)
Laser accuracy (RMS), vertical	±(15mm+3mm/m)

Cameras

AR camera (live stakeout)	5 MegaPixel, large viewing angle, supports live view stakeout
Laser-assisted camera	5 MegaPixel, supports laser aiming display

Communication

Bluetooth	V5.2 Dual Mode. 2.4GHz@+5dBm
Wi-Fi	IEEE 802.11b/g/n
LTE FDD bands	B1/3/5/7/8/20
LTE TDD bands	B38/40/41
WCDMA / UMTS bands	B1/8
GSM / GPRS / EDGE bands	900/1800 MHz

Internal radio modem

Radio transmitting power	1W (27 dBm ±1.5 dB) or 2 W (32 dBm ±1.5 dB)
Radio frequency range	410~470MHz
Radio protocols	SOUTH, TRIMTALK 450S, TRIMMK III, TRANSEOT, SATEL, MERIDIANLINK
Air baud rate	9600, 19200, 11000
Radio working distance	Up to 15 km

System and memory

Internal storage	32GB

Power supply

Battery (voltage / capacity)	7.2V, 6600mAh lithium-ion Rechargeable Battery
Operating time, RTK rover	Up to 22 hours (Typical Power Consumption)
Operating time, static	Up to 35 hours (Typical Power Consumption)
Charging	Support USB PD 15V/2A (Supports Quick Charging Adapter)