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CHC i90 survey insrument 624 Channels 32GB Storage Precision Gps Gnss Receiver RTK with IMU

Basic Information
Place of Origin: China
Brand Name: CHC
Certification: CE
Model Number: I90
Minimum Order Quantity: 1PC
Price: Negotiable
Packaging Details: With Standard Epxort Packing Ways
Delivery Time: 5-8 work days
Payment Terms: T/T, Western Union
Supply Ability: 1000pcs per year
Detail Information
Channels: 624 Accuracy: 1 Cm
UHF Radia Distance: 5 Km Network Modem: DC-HSPA+/HSPA+/HSPA/UMTS:
Design: IP67 Waterproof And Dustproof Weight: 1.26 Kg (2.77 Lb)
High Light:

32GB precision gps receiver


32GB gps gnss receiver


624 Channel gps gnss receiver

Product Description

The i90 GNSS receiver integrates professional LMU-RTK technology to provide a robust andaccurate positioning. in any circumstances. It combines state-of-the-art GNSS RTK engine, acalibration-free high-end MU sensor and advanced GNSS tracking capabilities to dramaticallyincrease RTK availability and reliability.The 90 automatic pole-tilt compensation boosts survey and stakeout speed by up to 30%Construction and land surveying projects are achieved with high productivity and reliabilitypushing the boundaries of conventional GNSS RTK survey.




GNSS Performance (1)
Channels 624 channels
  Integrated 4G modem
  LTE (FDD):B1,B2,B3,B4,B5,B7,B8,B20
Network modem DC-HSPA+/HSPA+/HSPA/UMTS:
  B1, B2, B5, B8
L1 C/A, L2C, L2P, L5
E1, E5a, E5b
BeiDou B1, B2, B3
Bluetooth ® v4.1
QZSS L1, L2, L5
GNSS Accuracies (2)
  Horizontal: 8 mm+ 1 ppm RMS
Real time Vertical: 15 mm+ 1 ppm RMS
kinematics (RTK) Initializationtime: < 10 s
  Initialization reliability: >99.9%
Post -processing kinematics (PPK) Horizontal: 2.5 mm+ 1 ppm RMS
Vertical: 5 mm+ 1 ppm RMS
Standard Internal Rx/Tx: 410 - 470 MHz Transmit Power: 0.5 W to 2 W
UHFradio Protocol: C H C,Transparent, TT450, 3AS
Link rate: 9600 bps to 19200 bps
Range: Typical 3 km to 5 km
Post - processing static Horizontal: 2.5 mm+ 0.5 ppm RMS
Vertical: 5 mm+ 0.5 ppm RMS
Code differential
Positioning rate
Horizontal: 0.25 m RMS
Up to 10 Hz
Autonomous Horizontal: 1.5 m RMS Vertical: 3 m RMS
Data storage 32 GB internal memory
Cold start: < 45 s Time to first fix (3) Hot start: < 10 s
Signal re-acquisition: < 1 s
Power consumption 5 W (depending on user settings)
RTK tilt - compensated Additional horizontal pole-tilt uncertainty
typically less than 10 mm+ 0.7 mm/° tilt
159 mmx 150 mmx 110 mm
Size (L x W x H)
Ingress protection
(6.3 in × 5.9 in × 4.3 in)
Operating: -40°C to +65°C (-40°F to +149°F)
Storage: -40°C to +85°C (-40°F to +185°F)
IP67 waterproof and dustproof, protected from temporary immersionto depth of 1 m
Weight 1.26 kg (2.77 lb)
Humidity 100% condensation
Shock Survive a 2-meter pole drop
Tilt sensor Calibration- free IMUfor pole- tilt compensation. Immune to magnetic disturbances.
E-Bubble leveling
Front panel 4 LEDindicates 1.46'' OLEDDisplay



























































































We can use the different international express company, usually, our first choice is DHL. if you have specified requirement , please inform us before the order.


CHC  i90 survey insrument 624 Channels 32GB Storage Precision Gps Gnss Receiver RTK with IMU 1


Our Services

your inquiry will be replied within 24 hours, we welcome your email and call at any time.

our products are original and 100% new. and they will be carefully checked before we ship them out.

we provide one year quality warranty, within one year since you bought the products from us, you will get our technology support.


Company Information

CHC  i90 survey insrument 624 Channels 32GB Storage Precision Gps Gnss Receiver RTK with IMU 2

Shanghai Galxy International Trade company, Ltd. combining with developing, researching and producing. Our company is located in Pudong Developing Zone, and has two subsidiary companies: Shanghai Galaxy International Trade Co., Ltd. and Mato Opto-electrical High-tech Company. Our company has researching center and factory in Changzhou.

Our main products are as following: total station, electronic theodolite, automatic level, laser level, rotation laser, GPS, distance laser sensor and accessories, such as tripod, prism, pole, staff and USB cable for total station. Our company designs software for many domestic and oversea factories, for example, Boif, TJOP, Stanley, and Cst-Berger. We have powerful capacity in technical research, and the products we designed have advanced technology and steady performance. The non-prism total station and the absolute coding measure instrument we developed and produced have very competitive points in the measure instrument market.

We expect that we could cooperate with more business partners from all over the world. In addition, we can do OEM service for companies or dealers that want to find better producers in China.

Our goal is to produce the best surveying instruments in the world.

Our target is to globalize the market, internationalize the quality and maximize the profit!


Contact Details
Eva Hu

Phone Number : +8617321261251

WhatsApp : +8618301928717