Meridian

Meridian M27LV

Laser-visual fusion GNSS RTK receiver with photogrammetry and AR stakeout.

Tilt compensation accuracy≤2cm
Radio working distance≤ 15 km
Operating time, RTK rover≤ 22 h
Weight≤ 749 g

Model: M27LV
Brand: Meridian

Meridian M27LV pairs laser measurement with an integrated high-resolution camera: the image helps aiming in bright light or at long range. Photogrammetry (images or video) is processed on site or in the office.

On order

103 000 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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01Description

The 5 MP AR camera serves 360° stakeout with switching between the controller and the rover. Laser accuracy is ±(8 mm + 3 mm/m) horizontally and ±(15 mm + 3 mm/m) vertically. Up to 22 hours as a laser rover and up to 40 hours in static mode; weight ≤749 g.

Key features

Laser-visual fusion: laser plus a high-resolution camera for aiming
Photogrammetry from images or video, processed on site or in the office
5 MP AR camera, 360° AR stakeout
120° calibration-free IMU (tilt ≤2 cm at ≤60°)
Internal MeridianLink radio, range up to 15 km
Laser rover up to 22 hours, static up to 40 hours
IP68 protection, weight ≤749 g

Typical use

The M27LV is useful when the laser must be used at a distance or in bright light and when photo documentation of the object is needed. Laser range is confirmed when requesting an offer.

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

Laser

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
VR camera (photogrammetry)	5 MegaPixel, supports Photogrammetry

Communication

Bluetooth	Bluetooth Core v5.4/4.2/2.1 (2.4GHz ISM Band)
Wi-Fi	802.11 a/b/g/n, 5.0GHz
LTE FDD bands	B1/3/5/7/8/20/28
LTE TDD bands	B34/38/39/40/41
WCDMA / UMTS bands	B1/5/8
GSM / GPRS / EDGE bands	B850/900/1800

Internal radio modem

Radio transmitting power	2W(33±1dBm) 1W(30±1dBm)
Radio frequency range	410-470MHz
Radio protocols	SOUTH, TRIMTALK 450S, TRIMMK III, TRANSEOT, SATEL, MERIDIANLINK
Air baud rate	9600, 11000, 19200
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 40 hours (Typical Power Consumption)
Charging	Support USB PD 15V/2A (Supports Quick Charging Adapter)