E-Survey Ertk 20

E-Survey eRTK20 is an advanced GNSS receiver featuring AR visual stakeout, 60° tilt survey, dual-camera technology, and centimeter-level RTK accuracy, helping surveyors work faster and more efficiently in the field.

About the E-Survey Ertk 20.

E-Survey eRTK20 is a high-precision GNSS RTK receiver designed for professional land surveying, construction layout, GIS mapping, and engineering applications. It is positioned as a cost-effective RTK solution with modern GNSS technology.

  • Multi-constellation GNSS support (GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS)
  • Centimeter-level RTK positioning
  • IMU tilt compensation for measuring without leveling the pole
  • Internal UHF radio and 4G modem for RTK corrections
  • Bluetooth and Wi-Fi connectivity
  • IP67 dust and water resistance
  • Long-life rechargeable battery for all-day field work
  • Compatible with common surveying software and controllers.

Specifications
Feature / Specification Details
Product Name E-Survey eRTK20
Product Type RTK GNSS Receiver
GNSS Channels 1408
Supported Constellations GPS, BeiDou, GLONASS, Galileo, NavIC, QZSS, SBAS & L-Band PPP
Update Rate Up to 20 Hz
Signal Reacquisition < 1 Second
Cold Start < 30 Seconds
Warm Start < 20 Seconds
Hot Start < 5 Seconds
RTK Initialization < 5 Seconds
Initialization Reliability > 99.9%
RTK Accuracy Horizontal: 8 mm + 1 ppm RMS
Vertical: 15 mm + 1 ppm RMS
Static Accuracy Horizontal: 2.5 mm + 0.1 ppm RMS
Vertical: 3.5 mm + 0.4 ppm RMS
Correction Formats RTCM V3.X, RTCM2.X, CMR
Data Output GGA, ZDA, GSA, GSV, GST, VTG, RMC, GLL, Binary
Battery Built-in Rechargeable Lithium-ion
Operating System Linux
Bluetooth Bluetooth 5.0 (BR + EDR, BLE)
Cellular Connectivity Global 4G LTE
Tilt Compensation MEMS IMU
Protection Rating IP68 Dust & Waterproof
Typical Applications RTK Surveying, Land Surveying, Construction Layout, GIS Mapping, Engineering Surveys & Infrastructure Projects

Backed by GeoSurv Africa

Calibration, repair and accuracy testing for most professional brands.

We match the kit to your accuracy needs and budget, no upselling.

Phone, email or WhatsApp a person who actually knows the gear.

Cover project peaks or service downtime with short-term hire.

What is the E-Survey eRTK20 used for?

The E-Survey eRTK20 is a professional GNSS RTK receiver used for land surveying, construction layout, topographic surveys, GIS data collection, engineering projects, and mapping applications.

Which satellite constellations does the eRTK20 support?

The receiver supports multiple GNSS constellations, including GPS, GLONASS, Galileo, BeiDou, QZSS, and SBAS, providing reliable positioning even in challenging environments.

What level of accuracy can the eRTK20 achieve?

When used with RTK corrections, the eRTK20 delivers centimeter-level positioning accuracy suitable for professional surveying and construction work.

Does the eRTK20 support tilt compensation?

Yes. The receiver features IMU-based tilt compensation, allowing surveyors to capture accurate points without keeping the survey pole perfectly vertical, improving productivity in the field.

Trusted by Professionals

The quality of the equipment and level of service exceeded our expectations. GeoSurv Africa has become our preferred surveying solutions provider.

Sipho DlaminiSenior Surveyor

GeoSurv Africa has been instrumental in helping us deliver projects accurately and on schedule. Their equipment is reliable, and their support team is always ready to assist.

Pieter Botha,Project Manager

GeoSurv Africa's commitment to quality and customer satisfaction sets them apart. Their knowledgeable team always provides practical solutions tailored to our needs.

Andrew SmithLand Surveying Professional

The training and technical support we received were invaluable. The team ensured we were confident using the equipment and achieving accurate measurements from day one.

James PetersonEngineering Survey Specialist

Reliable products, expert advice, and excellent service. GeoSurv Africa continues to play an important role in helping us deliver successful projects on time and within budget.

Thabo MokoenaDavid Nkosi, Land Surveyor

GeoSurv Africa consistently provides reliable surveying equipment and exceptional support. Their team helped us select the right solution for our project, and the results exceeded our expectations.

Richard BothaInfrastructure Project Coordinator

They helped us choose the right equipment based on our actual project needs. Honest advice, quality products, and excellent after-sales support.

Ryan JacobsCivil Contractor, Durban, Durban

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