What is the warranty period for this device?

We provide a 1-year warranty for the product.

Durable Chc E91 Gnss Machine Control Surveying Instruments GPS Rtk

Name: Durable Chc E91 Gnss Machine Control Surveying Instruments GPS Rtk
Brand: Shanghai Hexin Survey Instrument Co., Ltd.
SKU: 941810835

Shanghai, ChinaShanghai Hexin Survey Instrument Co., Ltd.

US$1,500.00

1-9 Sets

US$1,400.00

10+ Sets

Product profile

Application

Topographic Survey

Function

UHF Radio

Static Accuracy

Horizontal: 3mm+0.5ppm Vertical 5mm+0.5ppm

Model NO.

Chc E91

Temperature Range

-40~+75

Protection

IP67 Dustproof and Waterproof

Channels

624

Memory

Internal 8GB

Weight

1.55kg

Network

4G Network Modem

Accuracy

2mm

After-sales Service

Yes

Horizontal Line

3mm+0.5ppm

Vertical Lines

5mm+0.5ppm

Warranty

1 Year

Transport Package

1 Piece Packed in 1 Inner Carton

Specification

Size: base station: 48cm*42cm*23cm; 10.5KG rover

Trademark

CHCNAV

Origin

Shanghai China

HS Code

8526919090

Production Capacity

10000 Pieces/ Year

Key features

Full GNSS Support: 624 channels tracking GPS, Glonass, Galileo, BeiDou, and SBAS signals for robust positioning.

Long Battery Life: Internal 10200mAh battery provides up to 16 hours of continuous RTK rover operation.

Dual Network Connectivity: Integrated 4G modem for network RTK and built-in UHF radio with up to 5km range.

Rugged IP67 Design: Waterproof, dustproof, and shockproof; survives 2-meter drops onto concrete.

Fast Initialization: Quick initialization time of less than 10 seconds with over 99.9% reliability.

Customizable Configuration: Customization available from samples and designs to meet specific project requirements.

Comprehensive Warranty: 1-year warranty coverage with professional after-sales service support.

Company profile

Shanghai Hexin Survey Instrument Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤8.87h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based trading company operating in environmental protection equipment, ship equipment and accessories, hardware and electrical products, and computer-related products. It identifies as a professional technical supplier and supports customization from samples and designs, but does not provide 3D software design, ODM, SDK, or branded OEM services, and reported no new products in the past year. Export activity is substantial, with 10 years of export experience and exports representing 90% of total sales. Service support includes debugging and maintenance in South America, although there are no overseas branches, agents, warehouses, or showrooms. Quality oversight is limited to one inspector, and finished-product inspections have instructions but no written records. Financial records are indicated for 2020–2022, but the provided information does not establish financial strength. No certification holdings or customer cases are documented.

Supplier typeThe supplier is explicitly identified as a professional technical supplier, while its registered business type is a trading company. Its business scope covers equipment, accessories, hardware and electrical products, and computer-related products, together with import and export activities.

After-Sales capabilityThe company states that pre-sales, operational, and after-sales services are integrated into its activities, and it offers debugging and maintenance services in South America. However, it has no overseas agents or branches, so the scale and local infrastructure of this support are limited.

R&D capabilityThe supplier has stated R&D capability and can customize from samples and designs, but it reported no new products during the past year and does not provide 3D software design, ODM services, or SDK support. The evidence shows technical customization but limited recent product innovation.

Customization capabilityThe supplier explicitly provides customization from samples and from customer designs, and this capability is recorded both in its R&D profile and design-services information. This is direct evidence of product customization support.

Product Q&A

Q:Can the base station and rover station be interchangeable?

The difference between the rover station and the base station is that the accessories are different, the function and hardware configuration are the same.You can use the controller to choose the working mode of the device and set it as the base station or rover station.

Q:What is CORS?

CORS is called a continuous operating reference station system. It can be understood as a bas e station that is erected at a fixed known point and works continuously for 24 hours and sends its own data to a specific serverthrough the network. The use of CORS operation eliminates the need for a base station, and CORS is equivalent to a base station in a normal network operation.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.

Q:What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union.

Q:What is the lead time for production?

The average lead time is one month for both peak season and off season.