GEOMAX ZG20 Rtk Surveying Instrument Base and Rover Gps Surveyor Equipment
| ZG20 | |||
| Satellite tracked | Channels | 440 | |
| GPS | L1 C/A, L1C, L2C, L2P, L5 | ||
| GLONASS | L1C/A, L2C, L2P, L3, L5 | ||
| BDS | B1, B2,. B3 | ||
| GALILEO | E1, E5, AltBOC. E5a, E5b, E6 | ||
| QZSS | L1C/A. L1C, L2C, L5, L6 | ||
| SBAS | L1, L5 | ||
| IRNSS | L5 | ||
| Position rate | 5 Hz | ||
| Initialization time | 8s | ||
| DGPS | 25cm | ||
| Initialization reliability | 99.90% | ||
| high precision static surveying | Horizontal | 2,5mm + 0.5ppm | |
| Vertical | 5mm + 0.5ppm | ||
| RTK measurment | Horizontal | 10mm + 1ppm | |
| Vertical | 20mm + 1ppm | ||
| Communication | |||
| blue tooth | Class II | ||
| UHF radio | Built-in receiver and transmision integrated radio, can set 1w/0.5w | ||
| external radio | high definition OLED display | ||
| real time voltage moniting | |||
| port Bit rate intelligent recognition | |||
| mutilchannel design, support multi sets working simultaneously | |||
| network communication | 4G network module: support Unicom, Mobile, Telecom 4G satallite differential | ||
| GPS antenna | |||
| antenna | internal integration | ||
| type | microstrip antenna | ||
| phase center | zero phase center | ||
| Multipath suppression | built-in Multipath suppression | ||
| Physical specification | |||
| Dimensions | height: 95mm, diameter: 192mm | ||
| Weight | 1.26kg, includes battery and internal battery | ||
| working temperature | -40 ℃ ~ + 65 ℃ | ||
| Storage temperature | -40 ℃ ~ + 80 ℃ | ||
| Waterproof/ dustproof | IP68 | ||
| humidity | 100% anti-condensation | ||
| Shock resistance | Designed to endure to a 2m pole drop on concrete floor with no damage | ||
| battery | 7.4v, 3.1Ah, can be charged | ||
| working time | 8h | ||
| external power | 9-15v | ||
| button | power and function buttons | ||
| display | LED*7 | ||
| port | TNC*1, LEMO*1 | ||
| Memory and data | |||
| internal memory | 8G | ||
| differential output | CMR, CMR+, RTCM v23, RTCM v3.0, RTCM v3.2, Geomax X | ||
| ASCII output | NMEA0183 | ||
| Data collector | |||
| Size | 215*82*26mm | ||
| Weight | 470g | ||
| CPU | Qualcomm Snapdragon 8 core | ||
| RAM | 2GB LPDDR3 | ||
| Memory | 16GB | ||
| External memory | Max. support 256GB | ||
| Screen | 4.3 inch,69*111mm | ||
| Battery | lithium battery 6000mAh, 3.8V, 22.8Wh, input voltage DC5~9V, 2A; working time more than 10 hours, Type-C adaptor | ||
| Keyboard | Full keyboard with 54 buttons | ||
| Operation environment | |||
| Protection level | IP67 | ||
| Temperature | Operation temperature:-30℃–+60℃ | ||
| Storage temperature:-40℃–+80℃ | |||
| Humidity | 5%-95% Non-condesing | ||
| Anti-dropping | Can withstand 1.5m drop with pole (concrete hard ground) | ||
| Data communication | |||
| WiFi | 2.4G/5G, 802.11 a/b /g/n/ac | ||
| blue tooth | BT2.1+EDR/3.0/4.1LE/4.2BLE | ||
| Network | LTE FDD: B1/B3/B5/B8 | ||
| LTE TDD: B34/B38/B39/B40/B41 | |||
| WCDMA: B1/B8, ECDO/CDMA: BCD | |||
| GSM/EDGE: 900/1800MHz | |||
| GSM: 900/1800MHz | |||
| Other | storage card slot, SIM card slot | ||
| Operation system | Android 9 | ||
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