Complaint
| Specification of A8plus Plus | ||
| Measurements | 555 tracking channels ( Multi-constellation tracking) | |
| Satellite Signals Tracked Simultaneously | GPS: L1 C/A, L2C, L2E, L5 | |
| GLONASS: L1C/A, L1P, L2C/A (GLONASS M only), L2P | ||
| SBAS:L1 C/A, L5 | ||
| Galileo: L1 BOC, E5A, E5B, E5AITBOC | ||
| BDS: B1, B2 | ||
| QZSS: L1 C/A, L1 SAIF, L2C, L5 | ||
| NGS approved full-band GNSS antenna | ||
| Positioning Performance | Static and Fast Static GNSS surveying | Horizontal: 2.5mm+0.5ppm RMS |
| Vertical: 5mm+0.5ppm RMS | ||
| Post processing Kinematic (PPK / Stop & Go) GNSS surveying | Horizontal:2.5mm+0.5ppm RMS | |
| Vertical: 5mm+0.5ppm RMS | ||
| Initialization time: typically 10 minutes for base while 5 minutes for rover | ||
| Initialization reliability: typically > 99.9% | ||
| Real Time Kinematic (RTK) Surveying | Horizontal:8mm+1ppm RMS | |
| Vertical: 15mm+1ppm RMS | ||
| Horizontal: 8mm+0.5ppm RMS | ||
| Vertical: 15mm+0.5ppm RMS | ||
| Initialization time: typically < 8 seconds | ||
| Initialization reliability: typically > 99.9% | ||
| Horizontal: 25mm+1ppm RMS | ||
| Vertical: 50mm+1ppm RMS | ||
| SBAS: 0.50m Horizontal, 0.85m Vertical | ||
| Hardware | Physical | Dimensions(W × H):15.30cm×8.30cm (6.02 in.×3.27in.) |
| Weight:0.95kgs (2.09lbs) without internal battery | ||
| Operating:-40°C to +65°C (-40°F to +149°F) | ||
| Storage temperature: -40°C to +75°C (-40°F to +167°F) | ||
| Humidity:100%, considering | ||
| Water/dust proof: IP67 dust proof, protected from | ||
| temporary immersion to depth of 1m (3.28ft) | ||
| Shock and Vibration.Designed to survive | ||
| a 3m(9.84ft) nature fall onto concrete. | ||
| Electrical | Power 6V to 28V DC external power input | |
| Power consumption< 3.5W | ||
| Automatic switching between internal power and external power | ||
| Battery: rechargeable, removable 7.4V, 5000mAh /block lithium | ||
| battery in internal battery compartment | ||
| Internal battery life: Static 12 hours, RTK rover (UHF/ GPRS / 3G) | ||
| 8-10hours, RT8-10hours, RTK base 8 hours K base 8 hours | ||
| I/O interface | 1×Bluetooth, NFC | |
| 1×standard USB2.0 port | ||
| 2×RS232 serial port | ||
| 2×DC power input(8-pin & 5-pin) | ||
| 1×Micro SD card port for GSM or CDMA | ||
| Tilt survey system & electronic bubble | ||
| Network Communication | Fully integrated, fully sealed internal WCDMA, | |
| GPRS,GSM, WIFI frequency is 2.4G, supports | ||
| 802.11b/g/n protocol | ||
| Communication, system and data storage | HI-TRAGERT internal UHF radio (standard) | Frequency: 450~470MHz with 116 channels |
| Transmitting power:0.5W, 1W, 2W adjustable | ||
| Transmitting speed: 9.6Kbps,19.2Kbps | ||
| Working range: 3-5km typical, 8-10km optimal | ||
| Pacific Crest XDL Micro internal UHF radio | Frequency: 403~473MHz, support most of radio | |
| Transmitting power: 4W to 35W adjustable | ||
| Transmitting speed: up to 19.2Kbps | ||
| Support most of radio communication protocol | ||
| Working range: 8-10km typical, 15-20km optimal | ||
| System | Data storage:16GB internal storage(Support up to 32GB external SD card | |
| Record GNS and RINEX format simultaneously | ||
| Data formats | Positioning output: 1Hz to 20Hz | |
| CMR: CMR, CMR+, sCMRx input and output | ||
| Navigation outputs ASCII: NMEA-0183 GSV, AVR, RMC, HDT, VGK, VHD, | ||
| ROT, GGK, GGA, GSA, ZDA, VTG, GST, PJT, PJK, | ||
| BPQ, GLL, GRS, GBS | ||
| RTCM: RTCM2.1, 2.3, 3.0, 3.1, 3.2 input and output | ||
| Navigation outputs Binary:Trimble GSOF | ||
Return and warranty:
1.All products are inspected before shipment, if you are not satisfactory with the purchase,you can exchange the items in one week,and you must contact us within 24 hour of receipt of the products.
2.The shipping charges are not refundable and the customer should be responsible for all the charges of return and reshipping.
3.For our majority products (Auto level, Theodolite, Total Station) we are offing 1 year warranty;
4.For small issues like missing or damaged part, key board, please send us the photos, we will send the required part and related instructions to you for free;
5. For big issues in one year warranty like EDX board, main board issue. We could only ask you to send the instrument back to us. Normally we will have it fixed in 10 working days and send back to you. You and we shall take care of the corresponding shipping cost on each side. For big issues out of one year warranty, the customer should be responsible for all the cost.
